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Muhetaer Aihaiti
Research Scientist
E-mail: maihaiti@ciw.edu
Phone: 202-478-8932

Muhetaer Aihaiti (Muhtar Ahart) conducts research in high-pressure physics is aimed largely at problems in ferroelectrics, relaxor ferroelectrics, polymers, and novel materials. He uses light scattering spectroscopy, synchrotron x-ray diffraction, and diamond anvil cell techniques to study the pressure effects on the classic ferroelectric, relaxor ferroelectric, and polymer materials, particularly, in investigations of elastic, piezo-properties and structural phase transitions in these materials. He is also active in multimegabar experiments on simple molecular systems using techniques such as synchrotron infrared spectroscopy.

 

John Armstrong
Microbeam Specialist
E-mail: jarmstrong@ciw.edu
Phone: 202-478-8918

John Armstrong has installed, maintained, and operated microprobes at NIST, Caltech, and Proctor & Gamble. He also has experience with several generations of analytical scanning electron microscopes, analytical scanning transmission electron microscopes, ion microprobes, x-ray diffraction and x-ray fluorescence equipment, and UHV field emission Auger electron and x-ray emission microprobes.

 

Alia Awadallah
DCO Program Assistant
E-mail: aawadallah@ciw.edu
Phone: 202-478-8818

Alia graduated with a degree in political science from Kent State University. Post graduation, Alia worked for the Middle East Research and Information Project in DC and for the Obama for America campaign. Her experience includes web administration and traffic analysis, implementing social media plans, and campaign strategy planning and voter data management. A105

 

Maceo Bacote
Building Engineer
E-mail: mbacote@ciw.edu
Phone: 202-478-8302

Maceo joined GL in July 1993 to work as a DC 3rd class steam engineer, whose duties include the daily maintenance and repair of the HVAC system and mechanical equipment at BBR campus. He has resided in Clinton, Maryland for fourteen years with his wife and three children aged twenty-one, twenty-three and twenty-six.

 

Ligang Bai
Postdoctoral Research Associate
E-mail: lbai@ciw.edu

Ligang Bai joins HPCAT as a Postdoctoral Associate with UNLV's Department of Physics and Astronomy.

 

Maria Baldini
Research Scientist
E-mail: mbaldini@ciw.edu

Maria Baldini works on various beamlines at HPSynC and develops advanced x-ray techniques and instrumentation for use in high-pressure research. Her research focuses on understanding the effects of pressure on the physical properties of strongly correlated electron systems. She received her Ph.D in material science from the University of Sapienza, Rome, Italy in 2007.

 

Neil Bennett
Postdoctoral Fellow
E-mail: nbennett@ciw.edu
Phone: 202-478-4895

Neil Bennett joins the Geophysical Laboratory from the University of Toronto as a Postdoctoral Fellow. He is working with Yingwei Fei on siderophile element fractionation in thermal gradients and its application to core-mantel boundary transport. His other research interests include terrestrial accretion and core formation, and siderophile element behavior in magmatic systems. R242

 

Emily Bertot
Intern
E-mail: embertot@gmail.com

Emily Bertot joins the Geophysical Laboratory from Northwood High School in Silver Spring, MD as a research assistant. She assists Marilyn Fogel with analyzing hydrocarbon samples from sediments in order to assess their hydrogen isotope content.

 

Nabil Boctor
Emeritus Research Scientist
E-mail: nboctor@ciw.edu
Phone: 202-478-8949

Nabil Boctor researches phase equilibria, kinetics of mineral reactions, element partitioning between minerals and melts, and igneous and ore petrology. Boctor did his Ph.D. research with former Geophysical laboratory staff Gunnar Kullerud in the area of sulfide phase equilibria.

 

Reinhard Boehler
Senior Scientist
E-mail: rboehler@ciw.edu
Phone: 202-478-8950

Reinhard (Reini) Boehler works on a broad range of problems in high pressure science and technology, particularly those related to major energy challenges. His research interests include the thermal properties of metals at very high pressure, the adiabatic gradient, thermal expansivity of simple metals, as well as Earth mantle and core materials. He obtained a Ph.D and MS in mineralogy, and a BS in chemistry and physics from Universität Tübingen, Germany in 1974, 1970 and 1968.

 

Genevieve Boman
E-mail: gboman@ciw.edu

Genevieve Boman is a Beamline Associate at HPCAT. She earned a B.S. in Physics from Worcester Polytechnic Institute and an MRes in Physics of the Earth and Atmosphere at the University of Leeds, UK. Her primary responsibilities at HPCAT include performing and maintaining daily and scheduled beamline operations, maintaining and operating laboratory and on-line supported equipment, developing user friendly interfaces and macros for effective and efficient controls, and participating in research teams to develop and integrate component models and controls at HPCAT.

 

Arunkamar Bommannavar
Beamline Control Scientist
E-mail: abommannavar@ciw.edu
Phone: 630-252-0497

Arun Bommannavar is the beamline control scientist at HPCAT. He is responsible for implementing EPICS controls for beamline control and data acquisition. His Ph.D. thesis was on studying Magnetic Relaxation Phenomenon in Ferrites using Mossbauer Spectroscopy.

 

Gary Bors
Building Engineer
E-mail: gbors@ciw.edu
Phone: 202-478-8302

Gary joined Carnegie in 1977 and he is the chief engineer at BBR. Some of his duties include the daily operation and maintenance of the cast iron sectional low pressure steam boilers, centrifugal and air-cooled water chillers, and the DX AC unit.

 

Roxane Bowden
Lab Manager
E-mail: rbowden@ciw.edu
Phone: 202-478-8908

Roxane is the Lab Manager of Marilyn Fogel’s stable isotope facility at the Geophysical Laboratory. She is in charge of maintaining the two ThermoFisher gas source mass spectrometers and assisting students with preparing and analyzing samples. She obtained a PhD in stable isotope geochemistry from the University of Western Ontario, Canada in 2001, and a BSc in geology from the Memorial University of Newfoundland in 1991.

 

Dina Bower
Visiting Investigator
E-mail: dbower@ciw.edu
Phone: 202-478-8992

Dina Bower’s research is centered on finding and establishing reliable biosignatures in ancient rocks on Earth and other planets. She attempts to understand the role of microbes in the diagenesis of Fe-Ti-oxides by undertaking experiments that simulate diagenetic conditions. Currently, she is studying ~1.9 Ga Gunflint chert samples collected from four different sites of the Gunflint Formation.

 

Xiaojia Chen
Research Scientist
E-mail: xjchen@ciw.edu
Phone: 202-478-8924

Xiao-Jia Chen works in condensed matter physics. His research is focused on magnetism and superconductivity of materials under high pressure. Currently, he is coordinating the Spallation Neutrons and Pressure (SNAP) project - the exciting new high-pressure neutron science at the Spallation Neutron Source, Oak Ridge National Laboratory.

 

Paul Chow
Beamline Scientist
E-mail: pchow@ciw.edu
Phone: 630-252-4015

Paul Chow is a beamline scientist. He received a Ph.D. in Physics from University of Illinois and conducted research at the University of Houston. He spent 2 years at BL12XU, the Taiwan Beamline at SPring-8, designing and commissioning a spectrometer for inelastic x-ray scattering. Presently, he is a beamline scientist for HP-CAT at the spectroscopy station 16ID-D at the Advanced Photon Source. His interest is in electronic excitations in metals.

 

George D. Cody
Acting Director
E-mail: gcody@ciw.edu
Phone: 202-478-8980

George D. Cody specializes in chemical-structural analyses of solid phase organics. His research is focused on determining the diagenetic reactions that define organic sediment maturation. Other interests include examining the molecular structure of extraterrestrial organic solids contained within carbonaceous chondritic meteorites and more recently, comets. He received a Ph.D in geosciences from Pennsylvania State University in 1992, and a BSc in geology from University of Massachusetts at Amherst in 1982.

 

Ronald E. Cohen
Senior Staff Scientist
E-mail: rcohen@ciw.edu
Phone: 202-478-8937

Ronald E. Cohen's primary focus is the study of materials through first principles research including properties of materials under extreme conditions such as high pressure and temperature. His research is applied to topics and problems in geophysics and technological materials. He obtained a Ph.D in geology from Harvard University in 1985, and a BSc in geology from Indiana University in 1979.

 

Katherine Crispin
MIcrobeam Specialist
E-mail: kcrispin@ciw.edu
Phone: 202-478-8986

Katherine's research is focused on diffusion in lower mantle minerals. She has investigated the effect of crystal field stabilization energy on diffusion rates of transition metals in periclase. She has developed, with Jim Van Orman, an equation combining various ionic traits (such as ionic radius and polarizability) to estimate diffusion rates in many minerals and compared them to published experimental data. She collaborates with Yingwei Fei and others on continuing high pressure and high temperature experimental work on diffusion in mantle and core minerals. She received a Ph.D. in Geological Sciences from Case Western Reserve University and a B.Sc. in Chemistry from Cedar Crest College.

 

Roy Dingus
Building Manager
E-mail: rdingus@ciw.edu
Phone: 202-478-7968

Roy has been working as facility manager since 1984. He worked as a machinist at GL prior to his appointment as chief engineer and later, facility manager of BBR.

 

Pablo D. Esparza
Maintenance Technician
E-mail: pesparza@ciw.edu
Phone: 202-489-4512

Pablo came to Carnegie from Jasco Guerrero, a small picturesque town in Mexico well-known for its silver mines. He worked there on construction jobs. Pablo handles all packages and mail for the campus as well as helps with maintaining facilities for both departments.

 

Charlene Estrada
Predoctoral Fellow
E-mail: cestrada@ciw.edu

Charlene Estrada is a predoctoral fellow from Johns Hopkins University. She is currently working on projects related to diopside powders with Robert Hazen and Dimitri Sverjensky’s surface chemistry group.

 

Yingwei Fei
Senior Staff Scientist
E-mail: yfei@ciw.edu
Phone: 202-478-8936

Yingwei Fei examines materials at high pressure and temperature. He is interested in phase transitions, element partitioning, melting relations, chemical reactions and physical properties with applications to geophysics, petrology, mineral physics, geochemistry and planetary sciences. He obtained a Ph.D in geochemistry from City University of New York in 1989 and a BSc in geochemistry from Zhejiang University, China in 1982.

 

Richard (Rich) Ferry
HPSynC Technician
E-mail: rferry@ciw.edu
Phone: 630-252-6354

Richard Ferry is a technician at HPSynC. Prior to joining Carnegie, he worked as the chief technician at Argonne National Laboratory.

 

Cécile Feuillie
Postdoctoral Research Associate
E-mail: cfeuillie@ciw.edu
Phone: 202-478-8969

Cécile Feuillie joins us from École Normale Supérieure de Lyon in France as a new Postdoctoral Associate. She works with Dimitri Sverjensky and Robert Hazen on interactions between organic molecules and mineral surfaces. She is also interested in origins of life, origins of biomolecules, traces of past life, and surface enhanced resonant Raman spectroscopy.

 

Marilyn L. Fogel
Adjunct Staff Scientist
E-mail: mfogel@ciw.edu
Phone: 202-478-8981

Marilyn L. Fogel's research revolves around the stable isotopic biogeochemistry of modern and fossil ecosystems. She uses stable isotopes to trace biochemical and geochemical processes. She received a Ph.D in botany from the University of Texas at Austin, Marine Science Institute in 1977 and a BSc in biology from the Pennsylvania State University in 1973. Marilyn is now a Professor at the University of California Merced for the School of Natural Sciences. At UC Merced, Marilyn will provide leadership and support to current faculty research in biogeochemical cycling and ecological studies of past and future environments in the context of changing climate. She plans to establish a stable isotope laboratory capable of supporting research in ecology/paleoecology, biogeochemistry, and environmental sciences, which will serve as an integrator for interdisciplinary studies related to climate change, biodiversity, and sustainability sciences.

 

Dionysis Foustoukos
Research Scientist
E-mail: dfoustoukos@ciw.edu
Phone: 202-478-8968

Research interests involve a compilation of theoretical, experimental and field approaches to understand the evolution of crustal fluids at a wide range of geological settings, and constrain the role of water in mass/heat transfer processes, and on the phase equilibria relationships between fluids and crystalline phases of Earth’s interior. Thus, research activities address a number of critical issues associated with deep carbon cycling, phase equilibria and thermodynamics of metastable mineral phases, stable isotope proxies of abiotic/biotic processes and life evolution/habitability at extreme conditions. For more details visit: http://people.gl.ciw.edu/dfoustoukos

 

Marc Fries
Visiting Investigator
E-mail: mfries@ciw.edu
Phone: 202-478-7970

Marc is Raman spectroscopist with extensive experience in the mineralogy and petrography of carbonaceous materials. The central theme of his current research is studying carbon in geological systems, namely studying the formation and petrologic/chemical history of carbonaceous species as a means of describing the history of the parent rock.

 

Dyanne Furtado
Staff Accountant
E-mail: dfurtado@ciw.edu

Dyanne is the Geophysical Laboratory's Staff Accountant. She is responsible for monitoring and tracking expenditures associated with the Lab's new Federal grants, as well as providing financial reports to the scientific staff. Prior to joining Carnegie, Dyanne worked for over 13 years at the German defense manufacturing company, Heckler & Koch as a Staff Accountant. She obtained a bachelor's degree from Gallaudet University in Accounting in 1986, and has lived in Virginia since 1989.

 

Matthieu Galvez
Postdoctoral Fellow
E-mail: mgalvez@ciw.edu
Phone: 202-478-8987

Matthieu Galvez joins the geophysical laboratory as a new Carnegie Fellow from the Institut de Physique du Globe de Paris, France. He studies the dynamics of carbon in metamorphic nodes with George Cody. R133

 

Mihaela Glamoclija
Visiting Investigator
E-mail: mglamoclija@ciw.edu
Phone: 202-478-7970

Mihaela Glamoclija's research relates to general area of microbe-mineral interaction, utilization, and development of methods and concepts that may aid in the search, detection, and assessment of fossilized microbial life on Earth as a guide to the search for ancient life on Mars.

 

Christopher Glein
Postdoctoral Fellow
E-mail: cglein@ciw.edu
Phone: 202-478-8967

Chris performs experimental and theoretical studies in the fields of organic and planetary geochemistry. Specifically, he is interested in mechanisms of organic reactions in hydrothermal fluids, mineral catalysis of organic reactions, chemistry leading to the emergence of life, and present and past geochemical processes on icy moons. Chris received a B.S. in Chemistry from the University of Washington in 2006, and a Ph.D. in Geological Sciences from Arizona State University in 2012. He collaborates with George Cody at the Geophysical Laboratory.

 

Paul Goldey
Electronics/Microbeam Specialist
E-mail: pgoldey@ciw.edu
Phone: 202-478-8456

Paul has more than 20 years of experience maintaining scientific instruments and laboratories as well as supporting students, faculty and staff in their research. He has worked at several local universities in laboratories for high energy physics, thin film deposition and characterization, and nanotechnology. Previously, Paul worked at the Advanced Electronics Laboratory of Georgetown University. Earlier he spent several years at CERN in Geneva while affiliated with the University of Maryland. Paul is in charge of designing and maintaining scientific instruments, including helping John Armstrong with maintenance and assisting users of our microbeam facilities.

 

Alexander Goncharov
Senior Staff Scientist
E-mail: agoncharov@ciw.edu
Phone: 202-478-8947

Alexander F. Goncharov's research concentrates on analyzing materials under extreme conditions such as high pressure and temperature using optical spectroscopy and other techniques. He received a Ph.D in physics from the Russian Academy of Sciences, Institute of Spectroscopy in 1983, and a combined MA and MSc in physics from the Moscow Institute for Physics and Technology in 1979.

 

Huiyang Gou
Postdoctoral Research Associate
E-mail: hgou@ciw.edu
Phone: 202-478-4889

Huiyang Gou joins the Geophysical Laboratory as a postdoctoral associate from BGI, University Bayreuth. He is working with Tim Strobel on the synthesis of new materials and carbides.

 

Stephen Gramsch
Research Scientist
E-mail: sgramsch@ciw.edu
Phone: 202-478-8939

The focus of Stephen Gramsch' research effort is to develop a crystal-chemical framework for correlating the structural, electronic and thermodynamic aspects of inorganic solids. He is a Research Scientist and serves as Coordinator of the Carnegie-DOE Alliance Center (CDAC). Steve is also active in the educational outreach mission of the Geophysical Laboratory. He supervises the NSF-sponsored Carnegie Summer Intern Program in Geoscience for undergraduate students and also teaches an Advanced Chemistry course at the César Chávez Public Charter High School, located on Capitol HIll in Washington, DC. Steve received his Ph.D. from the University of Chicago in 1994.

 

Neal Gupta
Visiting Investigator
E-mail: ngupta@ciw.edu
Phone: 202-679-4357 4017494069

Dr. Neal S. Gupta is a Research Scientist and Adj. Professor at the Dept. of Science and Technology, Center for Global Climate Change Studies, Bryant University in RI. He has a PhD from the University of Bristol, UK (2005) and postdoctoral research experience in geobiology and geochemistry (Yale University and MIT) until 2009 and was an NAI Postdoctoral Fellow from 2009-2010 here at Carnegie. He is working with various Geophysical Laboratory scientists under the supervision of Dr. George Cody, specifically on lignin biosynthesis and monomer distribution across different plant families.

 

Malcolm Guthrie
Research Scientist
E-mail: mguthrie@ciw.edu
Phone: 630-252-4681

Malcolm Guthrie is the neutron scattering coordinator and a thrust leader in EFree.   He is charged with advancing energy frontier research in extreme pressure and temperature environments. His main scientific focus lies in the characterization of the structure of matter and its response to extremes of pressure and temperature. He obtained a PhD in physics from the University of Edinburgh, U.K. in 2002.

 

Lei Han
Predoctoral Fellow
E-mail: lhan@carnegiescience.edu
Phone: 202-478-8930

Lei Han joins us today as a predoctoral associate from Peking University.  Lei will be working with Yingwei Fei to conduct high-pressure experiments to determine element partitioning in systems related to mantle and core, using piston-cylinde, multi-anvil and diamond-anvil cell techniques.  His other research interests include ultra high-pressure metamorphism evolution of eclogite from sub-ducted continental plates.

 

Shaun Hardy
Librarian
E-mail: shardy@ciw.edu
Phone: 202-478-7960

Shaun Hardy manages the joint research library of the Geophysical Laboratory and DTM and oversees the departments' archives. As campus librarian he designs and implements information programs and services to support the departments' scientific, administrative, and technical staff.

 

Robert M. Hazen
Senior Staff Scientist
E-mail: rhazen@ciw.edu
Phone: 202-478-8962

Robert M. Hazen's research encompasses the origins of life and emergence of pre-biotic chemical complexity. Topics of particular interest include the interactions between crystalline solids and organic molecules and the co-evolution of geo- and biospheres. he obtained a Ph.D in mineralogy and crystallography from Harvard University in 1975, and a BSc and SM in earth science from Massachusetts Institute for Technology in 1970 and 1971.

 

Kadek Hemawan
Research Scientist
E-mail: khemawan@ciw.edu
Phone: 202-478-8984

Kadek Hemawan is a postdoctoral research associate. He received his Ph.D in electrical engineering from Michigan State University. His research projects are focused on the optimization of single crystal diamond synthesis for higher growth rate and higher quality by means of microwave plasma chemical vapor deposition. His research activities include CVD reactor design and development at higher pressure, single crystal diamond deposition and characterization. He is working with Chih-Shiue Yan and Russell Hemley.

 

Russell J. Hemley
Senior Staff Scientist
E-mail: rhemley@ciw.edu
Phone: 202-478-8951

Russell J. Hemley is a senior staff scientist of the Geophysical Laboratory. His research examines the properties of materials at high-pressures and its applications to geophysics, geochemistry and planetary science, as well as to theoretical condensed-matter physics and chemistry. He uses optical spectroscopy, x-ray diffraction, and diamond-cell techniques to conduct high-pressure experimental and theoretical studies in condensed-matter physics, earth and planetary science and materials science. He obtained a Ph.D and MA in physical chemistry from Harvard University in 1983 and 1980, and received a BA in chemistry and philosophy from Wesleyan University in 1977.

 

Valerie Hillgren
Research Scientist
E-mail: vhillgren@ciw.edu
Phone: 202-478-8927

Valerie Hillgren investigates the light elements in planetary cores, as well as core and mantle differentiation. She joins us from the Max Planck Institut für Chemie in Germany, where she explored the early evolution of the Earth through high pressure and temperature experimental studies utilizing a laser-heated diamond anvil cell.

 

Stephen Hodge
Instrument Maker
E-mail: shodge@ciw.edu
Phone: 202-478-8921

Stephen Hodge was born in London, but grew up in the beautiful county of Wiltshire (the Cotswolds), England. After serving a four-year apprenticeship in mechanical engineering, he worked as a tool and diemaker with British Leyland. In 1979, he left England with several friends to work for Volkswagen of America in a stamping plant located in Charleston, WV. Hodge found the transition to America to be a great new experience, and he and his friends had a lot of fun in those early days.

 

Nicholas Holtgrewe
Visiting Investigator
E-mail: nholtgrewe@ciw.edu

Nicholas Holtgrewe joins us today from Howard University as a visiting investigator for a year.  He will be working with Alexander Goncharov on laser optics in Raman pump-probe experiments.  His other research interests include superconductors, solar power and laser optics.  

 

Morgan Phillips Hoople
CDAC Project Administrator/Assistant
E-mail: mphillips@ciw.edu
Phone: 202-478-8966

Morgan Phillips Hoople is the Project Administrator for the Carnegie/Department of Energy Alliance Center (CDAC), as well as the Assistant to Russell J. Hemley. She has been working at Carnegie since July of 2004. She received her B.A. in History from DePauw University in 2002.

 

Mingqiang Hou
Postdoctoral Research Associate
E-mail: mhou@ciw.edu
Phone: 202-478-4566

 

Ross Hrubiak
Postdoctoral Research Associate
E-mail: rhrubiak@ciw.edu

Ross Hrubiak joins HPCAT from Florida International University’s Center for the Study of Matter at Extreme Conditions (CeSMEC) as a Postdoctoral Associate. He is working in High-Pressure Melting Studies.

 

Qingyang Hu
Predoctoral Associate
E-mail: qhu@ciw.edu
Phone: 202-478-8933

Qinyang Hu is a graduate student from George Mason University.  He joins the Geophysical Lab as a Predoctoral Associate and works with Dave Mao on the theory part of the FeO project and DAC experiments of cerium. You can find him in R-G31.

 

Freda Humble
Project Administrator
E-mail: fhumble@ciw.edu

Freda Humble has joined HPCAT as the new project administrator. Freda has extensive experience in office administrative matters and adept skills to operate HPCAT's office and user administrative matters. Her responsibilities include general secretarial duties for the HPCAT project, administration of the HPCAT user program, administrative liaison with APS and CIW, and assistance with the HPCAT webpage.

 

Daniel Hummer
Visiting Investigator
E-mail: dhummer@ciw.edu
Phone: 202-478-8987

Daniel Hummer completed his Ph.D at Penn State University specializing in mineralogy and crystallography. He is interested in the phase stability of minerals at high pressures and temperatures, and the kinetics of nucleation and crystal growth processes. He is currently working with Yingwei Fei to examine the behavior of ferric iron and other cations in the structure of magnesium silicate perovskite, and its impact on mantle properties.

 

Wesley T. Huntress
Director Emeritus
E-mail: whuntress@ciw.edu
Phone: 202-478-8910

Wesley T. Huntress, Jr. is director emeritus of the Geophysical Laboratory. His research examines the chemical processes occurring within the interstellar medium, comets, and planetary atmospheres. He received a Ph.D in chemical physics from Stanford University in 1968, and a BSc in chemistry from Brown University in 1964. He served as project scientist for planetary flight missions at Caltech's Jet Propulsion Laboratory in the 1980s and at NASA as Director of Solar System Exploration and Associate Administrator for Space Science in the 1990s.

 

Daijo Ikuta
Beamline Associate
E-mail: dikuta@ciw.edu
Phone: 630-252-6550

Daijo Ikuta studied new technique for X-ray identification and crystal structure analysis of multiplesingle crystal phases on a glass thin section. His interest in this new technique is currently to refine this technique and to apply to unknown new minerals. With the use of synchrotron radiations and his thin-section method he examines the crystal structure of tiny and rare minerals in thin section. He joined HPCAT in July 2007.

 

T. Neil Irvine
Emeritus Staff Scientist
E-mail: nirvine@ciw.edu
Phone: 202-478-8950

T. Neil Irvine is a staff member emeritus at the Geophysical Laboratory. His areas of interest include field, analytical and experimental studies of petrology, ore deposits, tectonic settings and layered igneous intrusions. He obtained a Ph.D in economic geology and geochemistry from California Institute of Technology in 1959, and a BSc and MS from University of Manitoba, Canada in 1953 and 1956.

 

Cheng Ji
Postdoctoral Research Associate
E-mail: cji@ciw.edu

 

Amol Karandikar
Predoctoral Associate
E-mail: akaran@ciw.edu
Phone: 202-478-7977

Amol Karandikar joined the GL from the Max Planck Institute für Chemie in Mainz, Germany. He is currently working with Reinhard Boehler to determine the high-pressure melting curves of metals, using laser-heating techniques within a diamond anvil cell (DAC). He is also involved in general laser heating experiments using a CO2 laser.

 

Curtis Kenney-Benson
Beamline Associate
E-mail: ckbenson@ciw.edu
Phone: 630-252-0495

Curtis Kenney-Benson is a Beamline Associate at HPCAT. His role there includes maintenance of the cryogenic systems, online ruby systems, and sample preparation lab, in addition to direct user support. Before coming to HPCAT, Curtis was involved in the construction of APS Sector 34 and the instrumentation of the Coherent Diffraction station there.

 

Bill Key
Building Engineer
E-mail: bkey@ciw.edu
Phone: 202-478-8302

Bill began working at GL in 1983 as caretaker of the old building at BBR. His main duties included looking after the grounds, SMO and foundry on the BBR campus. In 1989, he became a licensed engineer whose responsibilities included maintenance and repair of the HVAC system and mechanical equipment. Prior to working at Carnegie, Bill served in the Air force with the 82nd Airborne division and also worked in a hardware store for five years after completing high school.

 

Svetlana Kharlamova
Visiting Investigator
E-mail: skharlamova@ciw.edu
Phone: 202-478-8995

Svetlana Kharlamova is currently working on the implementation of simultaneous measurements of electrical conductivity and crystal structure at extreme conditions such as high pressures (over 2 Mbar) and various temperatures. For that she conceived and developed a procedure for nano/microscale fabrication of electrical contacts on diamond anvil surfaces for electrical measurements at high pressure using lithography method. Her project is aimed at identifying new superconducting phases.

 

Danielle Appleby Kifah
Assistant to the Director
E-mail: dappleby@ciw.edu
Phone: 202-478-8906

Danielle is the assistant to the director at the Geophysical Laboratory. Prior to joining Carnegie in 2007, Danielle worked as Consultation Executive for one of the top planning and PR firms in London, Local Dialogue LLP, where she led the consultation on large-scale public sector projects for the Mayor of London including "Crystal Palace Park Regeneration," the "Olympics 2012," and "Ocean New Deal for Communities Redevelopment."

 

Duck Young Kim
Postdoctoral Fellow
E-mail: dkim@ciw.edu
Phone: 202-478-8944

Duck Young Kim obtained his PhD degree at Uppsala University in Sweden and conducted his post-doctoral study with the Theory of Condensed Matter (TCM) Group, Cavendish Laboratory, University of Cambridge, U.K. His research focuses on understanding the phase transition of materials under pressure, especially the metallization/superconductivity of hydrides and elements in the periodic table using first-principle calculations. He is a new postdoctoral fellow working in the high pressure thrust area to bridge the gap between theory and experimental approaches to problems in high-pressure research.

 

Katya Klochko
Visiting Investigator
E-mail: kklochko@ciw.edu
Phone: 202-478-8916

Kateryna's research investigates the interactions of small organic molecules with mineral surfaces. She collaborates with Robert Hazen and others to explore topics related to NASA's Astrobiology program.

 

Anat Shahar
Staff Scientist
E-mail: ashahar@ciw.edu
Phone: 202-478-8929

Anat Shahar's research focuses on stable isotope geochemistry at high pressure and/or temperature. She conducts high P/T experiments and traces the isotopes to answer questions that span from the formation of the first solids in the solar system to the formation of the cores of planets. She obtained a Ph.D. in geochemistry from UCLA in 2008, and a M.Eng. and B.S. from Cornell University in 2003 and 2002.

 

Anton Kolesnikov
Visiting Investigator
E-mail: anton.yu.kolesnikov@gmail.com

Anton Kolesnikov joins us from The Russian State University of Oil and Gas. He will be working on equation of state measurements for ethane, propane and n-Butane using Brillion scattering and Raman and IR spectroscopies up to 20 GPa and 1000 K. Anton will be working with Muhetaer Aihaiti, Maddury Somayazulu and Russell Hemley. RG31

 

Yoshio Kono
Beamline Scientist
E-mail: ykono@ciw.edu

Yoshio Kono is a Beamline Scientist at HPCAT. He is responsible for developing elastic wave velocity measurement by ultrasonic technique in conjunction with Paris-Edinburgh press and high-pressure synchrotron techniques. Yoshio began his career at Carnegie as a Research Scientist and was promoted to Beamline Scientist in July 2012. He is interested in studying elasticity and equation of state of materials at high pressures and high temperatures. He received a Ph.D. from Yokohama National University, Japan in 2006.

 

Karunakar Kothapalli
Postdoctoral Research Associate
E-mail: kkothapalli@ciw.edu
Phone: 202-478-2375

Karunakar "KK" Kothapalli joined the Geophysical Laboratory from the University of Nevada, Las Vegas as a Postdoctoral Associate. Karunakar is working with Malcolm Guthrie on high pressure x-ray and neutron diffraction. You can find him in room RG31.

 

Jabrane Labidi
Postdoctoral Fellow
E-mail: jlabidi@ciw.edu
Phone: 202-478-7974

Jabrane Labidi joins us today from the Institut de Physique du Globe de Paris as a postdoctoral associate.  He will be working with Anat Shahar on multiple isotope composition of sulfur in organic matter of chondrites.  His other interests include magmatic geochemistry, mantle geochemistry, volatiles in the planetary interiors, and cosmochemistry.  Please join me in welcoming him to campus!  You can find him in office R-216.

 

Peter Lazor
Visiting Investigator
E-mail: plazor@ciw.edu

Peter Lazor collaborates with Viktor Struzhkin and others to investigate the thermal properties of materials in diamond anvil cells whilst combining laser heating and finite element analysis. He obtained a Ph.D in earth sciences in 1994 from Uppsala University, Sweden.

 

Charles Le Losq
Postdoctoral Fellow
E-mail: closq@ciw.edu
Phone: 202-478-2372

Charles LeLosq joins us this week as a postdoctoral associate from the Institut de Physique du Globe de Paris .  He will study the interactions between volatile elements and iron-bearing silicate melts at high pressure and high temperature with Bjorn Mysen.  His other interests include silicate melts and glasses, magmas, volcanology, eruptive processes, earth formation, and evolution. R-233

 

Bing Li
Predoctoral Associate
E-mail: bli@ciw.edu

Bing Li is a postdoctoral associate at HPSynC. He will carry out neutron diffraction experiments at the Spallation Neutrons and Pressure source at Oak Ridge National Laboratory under the supervision of Ho-kwang Mao and others on the high-pressure team.

 

Kuo Li
Postdoctoral Research Associate
E-mail: kli@ciw.edu

Kuo Li graduated from the College of Chemistry and Molecular Engineering, Peking University, PR China, in 2011. He majored in inorganic solid state chemistry and material chemistry, and worked on the synthesis of novel complex metal oxides and the crystal structure determination ab-initio with powder diffraction patterns (X-ray, neutron and electron). He is now studying the evolution of pyrochlore compounds under high pressure and the synthesis of novel metal oxides under high pressure. He is also examining the characterization of crystal structures under high pressure with synchrotron X-ray and neutron diffraction. Presently, he is stationed at HPSynC at APS and participates in research conducted at SNAP, SNS, Oakridge.

 

Rui Li
Postdoctoral Research Associate
E-mail: rli@ciw.edu

Rui Li joins us today from the Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS as a Predoctoral Associate. She is in her third year of her PhD study and will be working in the area of high pressure single crystal diffraction. Her goals for the next year here are to obtain electron density information at high pressure conditions, and to understand the phase transition dynamics and mechanism of semiconducting materials, such as Si, Ge.

 

Jeff Lightfield
Controller
E-mail: jlightfield@ciw.edu
Phone: 202-478-8903

Jeff Lightfield is responsible for the business operations of the Geophysical Laboratory. Prior to joining GL in February 2006, Jeff worked for eight years at Carnegie's headquarters; first as a Financial Accountant and then as the Deputy Financial Manager. Earlier in his career spent Jeff several years working in public accounting and served as the Director of Finance for Citizens Development Corps (CDC).

 

Chuanlong Lin
Postdoctoral Associate
E-mail: clin@carnegiescience.edu

HPCAT

 

Yangzheng Lin
Postdoctoral Research Associate
E-mail: ylin@ciw.edu
Phone: 202-478-2374

Yangzheng Lin joins us as a postdoctoral associate from Penn State University. He is working with Ronald Cohen and Tim Strobel on quantum monte carlo and force probe molecular dynamics simulations. RG31

 

Hong Liu
Visiting Investigator
E-mail: holiu@ciw.edu
Phone: 202-478-7970

Hong Liu joins us today from the Institution of Earthquake Science as a Visiting Investigator.  She will be working with Yingwei Fei on transport properties of minerals at high pressure and temperature for one year.  She is also interested in EOS, thermodynamic properties and transport properties.  You can stop by and say hello to her in R-G31.

 

Lei Liu
Visiting Scholar
E-mail: lliu@ciw.edu

Lei Liu joined HPSync from the Institution of Fluid Physics, China Academy of Engineering Physics. He is working with Wenge Yang on the structure of liquid sulfur, phase transition of CeO2 above megbars pressure, and elastic properties of Ta studied by radial diffraction techinique. His research interests include the melting behavior of materials and the elastic and mechanics properties of materials at high pressures.

 

Xiaoming Liu
Postdoctoral Fellow
E-mail: xliu@ciw.edu
Phone: 202-478-4889

Xiaoming Liu joins us from the University of Maryland as a postdoctoral fellow. She will be working with Robert Hazen, Anat Shahar and Dimitri Sverjensky on tracing great oxidation events and super continental formations from mineral evolution points of view using trace elements and non-traditional stable isotope analyses. RG31

 

Zhenxian Liu
NSLS IR Program Director
E-mail: zxliu@bnl.gov
Phone: 631-334-5502

Zhenxian Liu is a beamline scientist at the U2A beamline, National Synchrotron Light Source, Brookhaven National Laboratory. He manages this high pressure infrared diamond anvil cell facility, which has been fully operational since 1999.

 

Sergey Lobanov
Postdoctoral Research Associate
E-mail: slobanov@ciw.edu
Phone: 202-478-8995

Sergey Lobanov arrived from V.S. Sobolev Institute of Geology and Mineralogy (Novosibirsk, Russia). He will be working with Alexander Goncharov on DCO project. His research area includes both theoretical and experimental modeling of the volatiles behavior in deep planetary interiors, with respect to mantle petrology and diamond mineralogy. In the GL he will perform laser heating diamond anvil cell experiments on C-H and C-O-H systems. As well as he will be engaged in other high pressure projects.

 

Victor Lugo
Instrument Maker
E-mail: vlugo@ciw.edu
Phone: 202-478-8922

Victor Lugo is an instrument maker in the GL machine shop. He is a skilled machinist and supports activities in the shop, including maintaining, operating and producing scientific instruments for the department. 

 

Irena Mamajanov
Postdoctoral Research Associate
E-mail: imamajanov@ciw.edu
Phone: 202-478-8916

Dr. Irena Mamajanov joins GL as a postdoctoral associate from Georgia Tech.  She will be working with George Cody on the characterization of hyperbranched polyesters as potential enzyme precursors using solid state NMR.  Her other research interests include solid-state NMR, origin of life and astrobiology.  You can find her in office R-147.

 

Subhasish Mandal
Postdoctoral Fellow
E-mail: smandal@ciw.edu
Phone: 202-478-8945

Subhasish is studying Fe-based superconducting materials through first principles simulations using DFT+DMFT. His research focuses on understanding these newly-found superconductors both in the presence and absence of pressure. Subhasish received his PhD from the department of Physics, Michigan Technological University in summer 2012. He obtained his M.Sc in Physics from Indian Institute of Technology Madras in 2007 and B.Sc degree with Physics Honors from the University of Calcutta (India) in 2005. He can be found in room R106.

 

Andrea Mangum
Deep Carbon Observatory Program Manager
E-mail: amangum@ciw.edu
Phone: 202-478-8816

Andrea Johnson Mangum joined the the Deep Carbon Observatory (DCO) in June 2010. She manages the DCO Secretariat—bringing together an international and multidisciplinary group of researchers to address the many outstanding questions surrounding the nature of carbon in Earth's interior. She will also address issues relating to the DCO’s developing strategies for communication, education, and outreach. Andrea, who has a M.S. in geology and experience as a science writer, previously worked for over 15 years in program management with the Ocean Drilling Program and Integrated Ocean Drilling Program.

 

Agnes Mao
Assistant to Ho-kwang Mao
E-mail: amao@ciw.edu
Phone: 202-478-8960

Agnes Mao received her BA degree in Diplomacy from National Chen-Chi University, Taipei, Taiwan in 1966. She obtained her MLS degree in Library and Information Sciences from University of Maryland in 1970. From 1970 to 2000, she was working at various posts in the Collection Management Division at the George Mason University, VA. After her retired from 30-year librarian career at GMU, she works as a volunteer assistant to Dave Mao at the Lab.

 

Ho-kwang (Dave) Mao
Senior Staff Scientist
E-mail: hmao@ciw.edu
Phone: 202-478-8935

Ho-kwang Mao's research centers on ultra-high pressure physics, chemistry, material sciences, geophysics, geochemistry and planetary sciences using diamond-anvil cell techniques that he has pioneered. He received a Ph.D and MSc from University of Rochester in 1968 and 1966, and a BSc in geology from National University in Taiwan, China in 1963.

 

Stewart McWilliams
Visiting Investigator
E-mail: smcwilliams@ciw.edu

Stewart McWilliams is a shock-wave researcher educated at the University of California Berkeley and at Lawrence Livermore National Laboratory. He is working as a postdoc at Howard University studying high-pressure materials chemistry, transport properties, and equations of state with ultra-fast heating and measurement techniques in the diamond-anvil cell.

 

Yue Meng
Beamline Scientist
E-mail: ymeng@ciw.edu
Phone: 630-252-0483

Yue Meng is a beamline scientist. She researches the properties of materials at high pressure and temperature, using experimental techniques including x-ray spectroscopy, x-ray diffraction, optical spectroscopy, neutron diffraction, with applications to physics, chemistry, materials science, and geophysics. As one of the pioneers in developing high-pressure IXS, she has applied the technique to studies of electronic bonding changes in several low-Z materials at high pressure. At HPCAT, she is responsible for the development and operation of micro-focused x-ray diffraction with in-situ laser heating for structural properties at simultaneous ultra-high PT conditions.

 

Yufei Meng
Research Scientist
E-mail: yfmeng@ciw.edu
Phone: 202-478-4566

Yufei Meng works with the CVD diamond group at the Lab as a postdoctoral fellow. Her research focuses on the defects in different diamonds and their influence to properties and formation. Room R-147

 

Quintin Miller
Building Engineer Apprentice
E-mail: qmiller@ciw.edu

Quintin Miller began working at the BBR campus on April 1, 2011 as a Building Engineer Apprentice. Prior to joining Carnegie, he worked as a mechanic's helper at Gaghan Mechanical, Inc. in Alexandria.

 

Michelle Minitti
Visiting Investigator
E-mail: mminitti@ciw.edu
Phone: 202-478-8933

Michelle joins the Geophysical Laboratory from Arizona State University. She works with Yingwei Fei on the experimental investigation of Martian interior differentiation using high-pressure experimental apparatuses to investigate variations of Martian igneous lithologies known today. Some of the lithologies include Martian meteorites, rocks measured by landed missions, and lithologies detected from orbit. Her areas of expertise include Mars Exploration, Mars chemistry and remote sensing, and meteorites. Previously, Michelle was a Faculty Research Associate at the Center For Meteorite Studies at Arizona State University.

 

Takaki Muramatsu
Postdoctoral Research Associate
E-mail: tmuramatsu@ciw.edu
Phone: 202-478-4595

Takaki's research focuses on strongly correlated electron systems under high pressure and low temperature. He hopes to expand the pressure range of electrical conductivity and magnetic measurements.

 

Caitlin Murphy
Postdoctoral Fellow
E-mail: cmurphy@ciw.edu
Phone: 202-478-2373

Caitlin Murphy joins us as a new Carnegie Fellow working with Yingwei Fei and Russell Hemley. She is interested in understanding how defects and impurities influence the structural, vibrational, and electronic properties of materials at high pressures. Her postdoctoral research will focus on experimentally probing the effects of composition, pressure, and temperature on the transport properties of mantle and core materials using diamond anvil cells and advanced radiation sources. Caitlin received a B.S. in Earth, Atmospheric and Planetary Sciences from MIT in 2007, and a Ph.D. in Geophysics from Caltech in 2012. Presently, she occupies a desk in R-133

 

Bjørn O. Mysen
Senior Staff Scientist
E-mail: bmysen@ciw.edu
Phone: 202-478-8975

Bjørn O. Mysen's areas of research include experimental high-temperature and pressure analyses, investigations into the properties and processes of rock-formation and related materials with an emphasis on melting. He is also interested in examining the phase relations of mantle materials, fluids in melting processes, the properties and structure of melts and glasses, element partitioning between minerals, fluids and melts at high-pressures and temperatures. He obtained a Ph.D in geochemistry from Pennsylvania State University in 1974, and a BSc and MA from University of Oslo in 1969 and 1971.

 

Susana Mysen
EFree Project Administrator
E-mail: smysen@ciw.edu
Phone: 202-478-1083

Susana comes with a background in foreign service. She worked as an analyst in the Philippine Embassy in Washington, DC. After her tour of duty there, she served in the economics division in the home office in Manila. Subsequently, she returned to Washington.

 

Ivan Naumov
Research Scientist
E-mail: inaumov@ciw.edu
Phone: 202-478-8942

Ivan Naumov’s research interests are in theoretical modeling and understanding of real materials with considerable fundamental and/or technological relevance. Using first-principles density functional methods, ab-initio derived Hamiltonian approach coupled with Monte-Carlo simulations, and other techniques, he explores a broad array of structural, electronic, vibrational, and transport properties of materials such as ferroelectrics, superconductors, shape-memory alloys and graphene-based nanostructures. R-106

 

Trong Nguyen
Assistant Controller
E-mail: tnguyen@ciw.edu
Phone: 202-478-8904

Trong came to the Geophysical Laboratory to join the new Support Staff in April 2006. rong worked as Financial Accountant at the P St. headquarters for 13 years before working at the Lab. He graduated from the School of Business Administration of George Mason University, and worked for the Fairfax County Public Schools before being employed by Carnegie. He lives in Annandale, Virginia with his wife and two children.

 

Javier Francisco Nossa
Postdoctoral Associate
E-mail: jnossa@carnegiescience.edu
Phone: 202-478-4889

Javier Nossa joins the Geophysical Laboratory from Linnaeus University in Sweden as a postdoctoral associate. He is working with Ron Cohen on ferroelectric materials. Javier is also interested in ferroelectricity and magnetism. You can find him in office R-G31 at extension 4889.

 

Dominic Papineau
Visiting Investigator
E-mail: dpapineau@ciw.edu
Phone: 202-478-8908

Dominic Papineau's research projects are focused on the Paleoproterozoic phosphorus and nitrogen cycles, biosignatures in banded iron formations and the step-wise rise of atmospheric oxygen. He is a geochemist interested in the early evolution of life, biogeochemical cycles and biological signatures in Precambrian sedimentary rocks.

 

Changyong Park
Beamline Scientist
E-mail: cpark@ciw.edu

Changyong Park is a Beamline Scientist at HPCAT. He is responsible for developing and integrating novel high-pressure synchrotron techniques, supporting HPCAT operations and conducting original research. His research interests include amorphous and liquid structure of refractory materials under high pressure, structure and property correlations, and physics and chemistry of mineral-fluid interfaces.

 

Yufei Peng
Visiting Scholar
E-mail: ypeng@ciw.edu
Phone: 630-819-9506

Yufei Peng joined HPSynC from the Institute of Fluid Physics, China Academy of Engineering Physics. He is working with Wenge Yang on inelastic scattering research on hydrogen and hydrogen storage alloy. His other interests include hydrogen storage alloy under high pressure and X-ray spectrosopy techniques.

 

Ileana Perez-Rodriguez
Postdoctoral Fellow
E-mail: ileperez@ciw.edu
Phone: 202-478-1078

Ileana Pérez-Rodríguez received her Ph.D. in microbial ecology from Rutgers, The State University of New Jersey. Currently, she is interested in exploring the metabolic rates and growth efficiency of thermophilic, anaerobic, chemosynthetic microbes from deep-sea vents, while imposing pressure effects simulating deep-sea conditions. She collaborates with Dionysis Foustoukos and Andrew Steele.

 

Dmitry Popov
Beamline Scientist
E-mail: dpopov@ciw.edu
Phone: 630-252-7106

Dmitry Popov is a Beamline Scientist at HPCAT. His duties include user support and development of experimental techniques for high-pressure studies. His original research is focused on development of X-ray diffraction method to collect high resolution data on selected single-crystals under extreme pressure/temperature conditions.

 

Dean Presnall
Visiting Investigator
E-mail: dpresnall@ciw.edu

Dean joins the Geophysical Laboratory as a visiting scientist from the University of Texas at Dallas working with Yingwei Fei. He received his B.S. from Penn State University in 1957; his M.S. from California Institute of Technology in 1959; and his Ph.D. from Penn State University in 1963. Dean's research interests include experimental igneous petrology and magmatic evolution of Earth.

 

Charles Prewitt
Senior Visiting Investigator
E-mail: cprewitt@ciw.edu

Charlie's research interests include the characterization of minerals, analogs, and new materials. His research on silicates and oxide materials, specifically, and his development of principles of ionic radii in these materials, has been highly influential in the earth and materials sciences over the past 40 years. Charlie was the Director of the Geophysical Laboratory from 1986 to 1999. For more information, please view Russell J. Hemley's talk presented at an MSA symposium in 2003 to honor Charlie's receipt of the Roebling Medal.

 

Meilan Qi
Visiting Scholar
E-mail: mqi@ciw.edu

Meilan Qi is a Visiting Scholar at HPSynC who comes to us from Wuhan University of Technology in China where she received her Ph.D. in Solid Mechanics. She is also an Associate Professor at the University. While at Wuhan University she specialized in the following areas: Dynamic damage and fracture as well as fatigue fracture of materials and remote control. She is currently working with Dr. Wenge Yang at HPSynC and her research interests consist of dynamic damage and fracture of materials; materials science, and experimental developments, such as diagnostics and loading techniques.

 

Gefei Qian
IT/IS Administrator
E-mail: gqian@ciw.edu
Phone: 202-478-8970

Gefei joined the Geophysical Laboratory  IT group in September 2008. He has been working in IT administration since 1990 and his interest in programing dates back to the 80's. Gefei is experienced in HPC computing, CISC system programing, software engineering, instrument control, netbotics, and IT services. He is enthusiastic to provide the GL staff with various excellent IT-related services.

 

Eric Rod
Beamline Technician
E-mail: erod@ciw.edu
Phone: 630-252-0412

Eric Rod is a beamline technician. He supports scientific staff and community with design, procurement, fabrication, setup, upgrade and repair of electrical, mechanical, ultra high vacuum (UHV), precision motion, optical, cryogenic, pneumatic, control and laser instrumentation for use with x-ray experimentation in a synchrotron environment at HPCAT.  Eric is currently pursuing engineering degree.

 

Douglas Rumble III
Senior Staff Scientist
E-mail: drumble@ciw.edu
Phone: 202-478-8990

Douglas Rumble III uses the stable isotopes of oxygen and sulfur to explore the evolution of Earth's atmosphere by analyzing ancient rocks and to understand the origin of the Solar System through study of meteorites. He obtained a Ph.D in geological sciences from Harvard University in 1969, and a BA in geology from Columbia University in 1964.

 

Manuvesh Sangwan
Postdoctoral Research Associate
E-mail: msangwan@ciw.edu
Phone: 202-478-2371

Manuvesh Sangwan joins us from the New Jersey Institute of Technology as a new postdoctoral associate. He is working with Tim Strobel on high pressure kinetics. R133

 

Craig Schiffries
Deep Carbon Observatory Director
E-mail: cschiffries@ciw.edu
Phone: 202-478-8819

Schiffries received his Ph.D. in geology from Harvard and is currently the Director of the Deep Carbon Observatory at the Geophysical Laboratory of the Carnegie Institution in Washington. He completed his undergraduate work at Yale where he graduated summa cum laude with a double major in geology and geophysics, and economics and political science. He also earned a master's degree in geology and geophysics at Yale, and then an honors B.A. in philosophy, politics, and economics at Oxford University. He has received numerous fellowships and awards, including: Hertz Foundation Graduate Fellowship, Marshall Scholarship to Oxford University, Yale's Belknap Prize, Burton P. Twichell Memorial Scholarship at Yale, and Bank of America Scholarship for Science and Mathematics. Schiffries has also done fieldwork in North America, India, South Africa, and the USSR. Craig will help lead the continued development of the Deep Carbon Observatory (DCO) and the establishment of a broad international coalition of scientists and organizations devoted to the study of carbon in the Earth. He served as Director for Geoscience Policy at the Geological Society of America, where he provided advice to Congress and policy makers on a broad range of geoscience issues. He and his office have provided advice to Congress and policy makers on many geoscience issues. He is a former Carnegie Fellow (1988-1990) at the Geophysical Laboratory, so his new position represents a return to Carnegie. His scientific research focused on water-rock interactions and economic geology.

 

Michelle Scholtes
Web/Departmental Assistant
E-mail: mscholtes@ciw.edu

As our new web content manager, she is in charge of website maintenance and development, as well as other tasks such as seminar preparation and event planning. Michelle has a broad range of skills including web management and expertise in implementing social media and marketing campaigns. Prior to joining Carnegie, she worked in administration in the real estate industry and telecommunications and advertising consultancies. She holds a B.A. in Public Relations from the University of Maryland, College Park (May 2009).

 

Guoyin Shen
HPCAT Director
E-mail: gshen@ciw.edu
Phone: 630-252-0429

Guoyin Shen's research covers a broad range of subjects aimed at understanding the behavior of materials under high-pressure and extreme temperature conditions. The research activities include investigation of phase transformations and melting lines in molecular solids, oxides and metals; characterization of liquids and amorphous materials under high-pressure/temperature conditions; measurement of crystal chemistry, elastic and transportation properties of deep Earth materials at pressure-temperature conditions equivalent to the Earth’s interior. His current research includes the study of structure and density of silicate liquids at high pressure and melting temperature determinations of silicates and iron alloys at Megbar pressures.

 

Jinfu Shu
Research Scientist
E-mail: jshu@ciw.edu
Phone: 202-478-8963

Jinfu Shu's research interests are in high pressure synchrotron x-ray single crystal studies, diamond inclusions, and micromineral studies. Jinfu earned his Ph.D. at Wuhan College of Geology in China in 1987.

 

Stanislav Sinogeikin
Associate Director of HPCAT
E-mail: ssinogeikin@ciw.edu
Phone: 630-252-4038

Stanislav (Stas) Sinogeikin is a beamline scientist at HPCAT. His research interests include Mineralogy of the Upper Mantle and Transition Zone of the Earth, physical (esp. elastic) properties of mantle minerals at high-pressures and high-temperatures by Brillouin spectroscopy and Synchrotron radiation, applications of high-pressure mineral physics to the dynamics of the Earth’s interiors, and development of X-Ray microdiffraction and spectroscopic (Brillouin and Raman) techniques at high pressure and temperature.

 

Jesse Smith
Associate Beamline Scientist
E-mail: jssmith@ciw.edu

Jesse is a postdoctoral research associate at HPCAT. His activities include user support, technical development, and research. His scientific interests cover a broad range of topics related to the structure and properties of materials subjected to extreme conditions, and he is also interested in the development of experimental methods and techniques using synchrotron radiation.

 

Maddury Somayazulu
Research Scientist
E-mail: msomayazulu@ciw.edu
Phone: 202-478-8911

Maddury Somayazulu is the CDAC laboratory manager and research scientist at the Geophysical Laboratory. He manages the diamond anvil cell laboratory and the gas-loading laboratory in addition to pursuing his research on high pressure-high temperature materials physics and chemistry.

 

Vincenzo Stagno
Research Scientist
E-mail: vstagno@ciw.edu
Phone: 202-478-8479

Vincenzo Stagno obtained his PhD degree at the Bayerisches Geoinstitut (Bayreuth, Germany) in the field of experimental petrology and geochemistry. As part of the EFree program, he is mainly interested in high-pressure synthesis of mesoporous materials, behavior of materials at extreme conditions and development of new assemblies for large volume experiments. He collaborates with Ho-Kwang Mao, Yingwei Fei and a team of scientists at Lehigh University (Pennsylvania). Further, his research also focuses on understanding the speciation of carbon in eclogite and peridotite assemblages as function of the oxygen fugacity and evolution of redox conditions in the mantle by combining multi anvil experiments with data from natural rocks.

 

Verena Starke
Postdoctoral Research Associate
E-mail: vstarke@ciw.edu
Phone: 202-478-8994

Verena Starke is a molecular biologist and microbial ecologist specializing in environmental microbiology. She developed a strong background in these fields during her masters’ research at the Philipps-University Marburg (Germany), and her Ph.D. dissertation at the University of Maryland (USA). Her main research interests lie in microbial ecology under changing environmental conditions. Particularly, she is interested in how microbial communities change along environmental gradients, and how the environment influences microbial community makeup.

 

Andrew Steele
Senior Staff Scientist
E-mail: asteele@ciw.edu
Phone: 202-478-8974

Andrew Steele uses traditional and biotechnological approaches for the detection of microbial life in astrobiology and solar system exploration. He received a Ph.D in biotechnology from the University of Portsmouth, U.K. in 1996, and a BSc in microbiology and biochemistry from the University of Central Lancashire, U.K. in 1992.

 

Stevce Stefanoski
Postdoctoral Research Associate
E-mail: sstefanoski@ciw.edu
Phone: 202-478-8938

Stevce Stefanoski joined the Geophysical Laboratory as a new postdoctoral associate working with Tim Strobel. He joined us from the University of South Florida, Tampa. Stevce will be working on synthesis and physical characterization of carbon materials. RG18

 

Timothy Strobel
Staff Scientist
E-mail: tstrobel@ciw.edu
Phone: 202-478-8943

Timothy Strobel's research interests include clathrate hydrates, molecular spectroscopy of isolated species, novel hydrogen storage materials, molecular thermodynamics, and the phase behavior and electronic structure of molecular systems at high pressure. He studied the structure, stability, and dynamics of hydrogen clathrates in graduate school.

 

Viktor Struzhkin
Senior Staff Scientist
E-mail: vstruzhkin@ciw.edu
Phone: 202-478-8952

Viktor V. Struzhkin focuses on experimental research at high pressures. He undertakes transport and magnetic measurements, and applies optical and synchrotron spectroscopy techniques to geophysics, planetary science and condensed-matter physics research. He obtained a Ph.D in solid-state physics from Institute for High Pressure Physics, Russian Academy of Science in 1991 and a combined BSc and MSc in physics from Moscow Institute of Physics and Technology, Russia in 1980.

 

Dimitri Sverjensky
Senior Visiting Investigator
E-mail: dsverjensky@ciw.edu
Phone: 202-478-7975

Dimitri Sverjensky is a Professor of Geochemistry in the Department of Earth and Planetary Sciences at the Johns Hopkins University. Professor Sverjensky received his B. Sc. degree with First Class Honors from the University of Sydney (Australia) in 1973 and a Ph.D. from Yale University in 1980. He has worked in the fields of economic geology, isotope geochemistry and theoretical aqueous solution chemistry. In recent years, his research has focused on integrating theoretical and experimental studies of the geochemistry of the mineral-water interface, mainly with applications to environmental geochemistry and to the role of surface chemistry in the origin of life. He has been a Visiting Investigator since 2005.

 

Gabor Szilagyi
Systems Administrator
E-mail: gszilagyi@carnegiescience.edu
Phone: 202-478-8973

Gabor Szilagyi has been appointed full time IT/IS Administrator to work alongside Gefei Qian. Gabor will focus on IT network and infrastructure support at the Geophysical Laboratory (GL) within the broader BBR IT support group. During the past year, Gabor has worked part time at GL and P St., and has been a great asset to our campus. We congratulate Gabor in his new role at GL and BBR.

 

Xiaojing Tan
Postdoctoral Research Associate
E-mail: xtan@ciw.edu
Phone: 202-478-8926

Xiaojing Tan joins us from the University of California Riverside as an EFree Postdoctoral Associate. He is working on ultrafast optical measurements under high pressure and on time-resolved measurements on superconductors. His other interests include ultrafast lasers and optics, nonlinear optics, and condensed matter physics. Tan is working with Alexander Goncharov. RG17

 

Marilyn (Helen) Venzon
Accounts Payable Specialist
E-mail: mvenzon@ciw.edu
Phone: 202-478-8905

Helen started her first job as a Educational Specialist at the Cultural Office of the Embassy of Egypt. She then moved to Computer Sciences Corporation in Falls Church, Virginia, where she worked as a Sr. Human Resources Specialist for 8 years. She came to Carnegie in 2007. Helen graduated from Maryknoll College in the Philippines.

 

Adrian Villegas-Jimenez
Visiting Investigator
E-mail: avjimenez@ciw.edu
Phone: 202-478-8915

Adrián Villegas-Jiménez is an experimental and theoretical geochemist who received his Ph.D from McGill University. As a Carnegie Fellow, his research explores fundamental surface and ion exchange reactions displayed by carbonate and hydroxyapatite minerals, with implications that range from the geosequestration of atmospheric carbon dioxide, calcium homeostasis and acid-base balance of human body fluids to biomineralization processes. He collaborates with Robert Hazen and Dimitri Sverjensky in this research.

 

Junyue Wang
Postdoctoral Associate
E-mail: jywang@ciw.edu

Junyue Wang is a postdoctoral associate at HPSynC. He works on synchrotron based nano resolution x-ray microscopy and computerized tomography, and their applications in high pressure research. He received a Ph.D. in 2009 from the Institute of Physics at Academia Sinica in Taiwan, China.

 

Lin Wang
HPSynC Research Scientist
E-mail: lwang@ciw.edu

Lin Wang is a research scientist at HPSync and a senior investigator work for EFree. His principal research interests are the properties of nano materials under high pressure; Synthesis of nano materials, Properties of low dimensional materials and High Tc superconductor, Nano focused Synchrotron x-ray, and diamond anvil cell techniques for ultra-high pressure.

 

Merri Wolf
Library Technical Assistant
E-mail: mwolf@ciw.edu
Phone: 202-478-7962

Merri Wolf's job as Technical Assistant at the Broad Branch Road Library since 1992 is the first position she has stayed at more than four years. Merri attributes her perpetual interest in her work to the people she has met here and the never-ending challenge and rewards of scientific endeavor she has had the privilege to observe. She had worked for doctors, lawyers, publishing and advertising executives, retail companies at the administrative and sales levels, nonprofits and professional sports before she came to Carnegie.

 

Yuming Xiao
Beamline Scientist
E-mail: yxiao@ciw.edu
Phone: 630-252-4058

Yuming Xiao is a beamline scientist at HPCAT of Geophysical Laboratory. He received his Ph.D. from Department of Applied Science at University of California, Davis. His thesis was focused on studying metal clusters in metalloproteins (nitrogenase and hydrogenase) with synchrotron spectroscopes (EXAFS, NFS, NRVS, XES). At HPCAT, Yuming is interested in studying properties of molecular solids and high temperature superconductors under high pressure using synchrotron spectroscopes.

 

Takamitsu Yamanaka
Senior Visiting Investigator
E-mail: tyamanaka@ciw.edu
Phone: 202-478-8940

Takamitsu Yamanaka's experimental work focuses on x-ray diffraction, absorption and resonance using synchrotron radiation. For the past 20 years he has used PF-KEK and SPring-8 in Japan. He is also Chairman of International Mineralogical Association.

 

Hongping Yan
Postdoctoral Fellow
E-mail: hyan@ciw.edu
Phone: 630-252-0479

Hongping joined us as a postdoctoral fellow for the Deep Carbon Observatory working with Changyong Park at HPCAT. Utilizing a combination of several techniques including high-resolution X-ray reflectivity, his main research aims to provide atomic-level information about the mineral-fluid interfaces under high pressure and high temperature for ultramafic minerals, in order to improve people's understanding on the mineral weathering and carbon cycling processes in Earth's surface and subsurface. Hongping got his Ph.D on Physics at North Carolina State University, where he studied carbon-based semi-conductive polymers for organic solar cells and organic field-effect transistors using scanning transmission X-ray microspectroscopy, X-ray reflectivity and scattering techniques with soft X-rays.

 

Liuxiang Yang
GL-HPSTAR Postdoctoral Research Associate
E-mail: lyang@ciw.edu
Phone: 202-478-8988

Liuxiang Yang is a postdoctoral associate from the Chinese Academy of Sciences. He works with Reinhard Boehler and others on the melting of transition metals and noble gases.

 

Wenge Yang
Research Scientist
E-mail: wyang@ciw.edu
Phone: 630-252-0487

Wenge Yang received his Ph.D in Condensed Matter Physics in 1995. The focus of his research effort is to develop novel synchrotron radiation techniques (x-ray diffraction, imaging and spectroscopy) for high pressure research.

 

Jianjun Ying
Postdoctoral Research Associate
E-mail: jying@ciw.edu
Phone: 202-478-8992

Jianjun Ying joins us this week as a postdoctoral associate from the University of Science and Technology of China.  He will be working on synthesizing superconducting materials and measuring their physical properties with Xiaojia Chen and Viktor Struzhkin.  

 

Qiaoshi Zeng
Research Scientist
E-mail: qzeng@ciw.edu

 

Changsheng Zha
Research Scientist
E-mail: czha@ciw.edu
Phone: 202-478-8948

Chang-Sheng Zha was a staff scientist in charge the high pressure program at Cornell High Energy Synchrotron Source (CHESS) before moving to this Laboratory. He uses a variety of experimental techniques in the study of high P-T physics, chemistry, geoscience and material science.

 

Haidong Zhang
Postdoctoral Research Associate
E-mail: hzhang@ciw.edu
Phone: 202-478-8919

Haidong Zhang graduated from the University of Florida. He joins the Geophysical Laboratory working with Alexander Goncharov. He works in optical experiments, novel materials synthesis, and characterization. The work focuses on optical spectroscopy, aiming to discovery of new materials with outstanding properties, which can be synthesized under extreme conditions such as high pressure and high temperature.

 

Jian-Bo Zhang
Predoctoral Associate
E-mail: jbzhang@ciw.edu

Jian-Bo Zhang joins us from South China University of Technology. He joins the High Pressure Synergetic Center (HPSynC) group as a Predoctoral Associate of the Geophysical Laboratory. He is working with Wenge Yang and Ho-Kwang Mao and studies copper oxide superconductors focusing on the pressure driven evolution of a superconductor spanning its insulating and superconducting regions.

 

Peng Zhang
Postdoctoral Research Associate
E-mail: pezhang@ciw.edu
Phone: 202-478-8915

Peng Zhang joins the Geophysical Laboratory from Louisiana State University as a postdoctoral associate. Peng is working with Ronald Cohen as a computational physicist in numerical simulations of materials; comparing them with experiment results. R-106

 

Zhisheng Zhao
Postdoctoral Fellow
E-mail: zzhao@ciw.edu
Phone: 202-478-8934

Zhisheng obtained his PH.D degree in Material Physics & Chemistry from State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, China (July, 2012), and joined HPCAT as a postdoctoral associate in September 2012, working with Dr. Guoyin Shen. His thesis research focused on the Theoretical and Experimental Explorations on Novel Structures and Properties of New Matters under Extreme Conditions. His interests include capturing novel quenchable metastable functional materials by using static and dynamic high-Pressure technologies such as large volume press, DAC, and explosive shock. Zhisheng also enjoys studying high-pressure structures and property predictions by structure searching techniques (CALYPSO and USPEX codes) in conjunction with first-principles calculations. His investigated materials include low-Z (B,C,N) elements, Si and Ge, transition metal and their light-element compounds, with exotic physical and chemical properties such as superhard, superelastic, semiconducting, superconducting, hydrogen-storage properties.

 

Haiyan Zheng
Visiting Investigator
E-mail: hzheng@ciw.edu

Haiyan Zheng joins us as a visiting investigator from CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences (PR China). She is working with Malcolm Guthrie and Ho-Kwang Mao on Beam Line 3 (SNAP), SNS, at the Oak Ridge National Lab. Zheng is studying the polymerization and conductive behavior of unsaturated organic compound under high pressure.

 

Yonghui Zhou
Predoctoral Associate
E-mail: yhzhou@ciw.edu
Phone: 202-478-4897

Yonghui Zhou joins the geophysical laboratory from the Institute of Solid State Physics at the Chinese Academy of Sciences. He joins us as a Predoctoral Associate working with Xiaojia Chen and Ho-Kwang Mao. He is studying the structural and magnetic properties of manganese chromate under low temperature conditions, high magnetic fields, and high pressures including the evolution of magnetic ordering by the substitution of zinc and manganese. RG31

 

Jun Zhu
Visiting Scholar
E-mail: jzhu@ciw.edu

Jun Zhu is a Visiting Scholar at HPSynC, who somes to us from China. He received his Ph.D. in Nuclear Technology and Application from Beijing Graduate School, Chinese Academy of Engineering Physics. Prior to that he attended Tsinghua University in China. He has also worked for the Institute of Fluid Physics. He is currently working with Dr. Wenge Yang at HPSynC. His research interests include high power linear induction accelerator development, dielectric wall accelerator for proton therapy, accelerator driven warm dense matter studies, accelerator technology and applications, and synchrotron beamline technology and applications.