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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 oversees the electron microprobe and electron microscopy laboratories at the Carnegie Institution of Washington. His research includes development of the physical correction algorithms and analytical procedures for high accuracy quantitative analysis with electron microbeam instruments and their application to the characterization of geological and planetary materials. He has developed, operated and supervised microprobe laboratories at NIST, Caltech and Procter & Gamble. He also has experience with several generations of analytical scanning electron microscopes, analytical scanning transmission electron microscopes, ion microprobes, UHV Auger electron microprobes, as well as x-ray emission spectrometers, x-ray diffraction and x-ray fluorescence equipment. A past president of the Microbeam Analysis Society and recipient of its Presidential Science Award, he regularly lectures at the advanced x-ray microanalysis summer schools at Lehigh University and holds adjunct faculty positions at American University and Pepperdine University (DC campus) where he teaches earth science and astronomy. He received his PhD in geochemistry from Arizona State University in 1978 and a B. Sc. In chemistry from Loyola Marymount University.

 

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 to determine element behavior during planetary core formation. This work utilizes high pressure and temperature experiments in the multi-anvil press and diamond anvil cells, coupled with sample characterization by laser-ablation mass spectrometry and electron beam micro analysis (FIB, SEM, EPMA). R-G17.

 

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.

 

Venkata Srinu Bhadram
Postdoctoral Research Associate
E-mail: vbhadram@ciw.edu

Venkata (Venkat) Bhadram joins the Geophysical Laboratory as a postdoctoral associate. He is working with Tim Strobel and Russell Hemley on EFree projects, mainly in the area of solar energy materials. He is also working on developing novel materials for photocatalytic water splitting. The work involves synthesis with both multi-anvil and diamond cell techniques, as well as characterization using Raman spectroscopy and laboratory and synchrotron x-ray facilities. Previously, Venkat was a visiting investigator at Purdue University, after receiving his Ph.D. from JNCASR, Bangalore, India.

 

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
Facility Manager
E-mail: gbors@ciw.edu
Phone: 202-478-8302

Gary joined Carnegie in 1977 and is the Facility Manager of the Broad Brand Road campus. 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.

 

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. He is also a Professor of Earth Sciences at University College London under a European Advanced Grant.

 

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

Katherine maintains the (FIB-FESEM) Focused Ion Beam Field Emission Scanning Electron Microscope and also assists users on the SEM and Microprobe. She researches new techniques and applications involving the microbeam instruments and collaborates on research involving pallasite meteorites. She is a Director of the MicroAnalysis Society, and an Associate Editor of American Mineralogist. Her previous research was focused on diffusion in lower mantle minerals where she investigated the effect of crystal field stabilization energy on diffusion rates of transition metals in periclase. She received a Ph.D. in Geological Sciences from Case Western Reserve University and a B.Sc. in Chemistry from Cedar Crest College.

 

Stephen Elardo
Postdoctoral Research Associate
E-mail: selardo@ciw.edu
Phone: 202-478-8479

Stephen Elardo joins the Geophysical Laboratory as a postdoctoral research associate from the Institute of Meteoritics at the University of New Mexico. He is working with Anat Shahar on understanding iron isotope fractionation at high pressure and temperature during planetary differentiation as a way to infer the abundances of light elements in planetary cores. His research interests also include igneous processes in the planetary settings, with an emphasis on the differentiation of the Moon, early crust building processes in the lunar crust, and the thermal and magmatic evolution of the lunar mantle. R-242

 

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.

 

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 is a Postdoctoral Associate working with Dimitri Sverjensky and Robert Hazen. She is conducting experimental research on the interactions between organic molecules and mineral surfaces, mainly in the context of the origins of Life. She received her PhD in geosciences from the ENS de LYON in september 2012. R-216

 

Yael Fitzpatrick
DCO Science Program Assistant
E-mail: yfitzpatrick@carnegiescience.edu
Phone: 202-478-8818

Yael Fitzpatrick joins the Geophysical Laboratory as the new Science Program Assistant for the Deep Carbon Observatory (DCO). She is an integral part of the Secretariat team that manages the DCO and provides professional, administrative, and organizational support for the Secretariat. Previously, Yael worked for the American Association for the Advancement of Science (AAAS)/Science where she lead creative effort and managed the art department for preeminent international weekly journal Science and its two sister journals, Science Signaling and Science Translational Medicine. A109

 

Marilyn L. Fogel
Visiting Investigator
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.

 

Teresa Fornaro
Visiting Investigator
E-mail: teresa.fornaro@sns.it

Teresa Fornaro is a visiting investigator from the Scuola Normale Superiore of Pisa, who will be on campus for a four month tenure. She will be studying interactions of nucleotides adsorbed onto brucite with Bob Hazen and Dimitri Sverjensky as part of her Ph.D. thesis.

 

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

Dionysis Foustoukos is an experimental geochemist studying the evolution of geofluids in a wide range of natural environments. His research activities focus mainly on the evolution of submarine volcanoes; the habitability of deep-sea extreme environments; and the geochemical interactions between Earth’s upper mantle, crust and oceans. He develops novel experimental designs to investigate natural processes under controlled laboratory conditions, and he has been involved in oceanographic expeditions at the Pacific Ocean and the Mediterranean Sea.He obtained a Ph.D in geochemistry from the University of Minnesota in 2005, and a B.Sc. from the Aristotle University of Thessaloniki in 1997.

 

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.

 

Zachary Geballe
Postdoctoral Fellow
E-mail: zgeballe@ciw.edu
Phone: 202-478-2373

Zachary (Zack) Geballe joins the Geophysical Laboratory as a postdoctoral fellow from the University of California, Berkeley. He is working with Viktor Struzhkin to develop high-frequency calorimetry methods and to use them to measure heat capacities of metals and silicates at high pressures in order to study melting, pre-melting phenomena, and the glass transition.

 

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.

 

Hitoshi Gomi
Postdoctoral Associate
E-mail: hgomi@carnegiescience.edu
Phone: 202-478-1090

Hitoshi Gomi joins the Geophysical Laboratory as a postdoctoral associate from Tokyo Tech. He is working with Yingwei Fei on determining the electrical resistivity of core materials at high pressure and temperature with applications to core dynamics and thermal evolution. A-G28A

 

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

Alexander F. Goncharov is a senior staff scientist of the Geophysical Laboratory. His research focuses on examining the properties of materials under extreme conditions of pressure, temperature, and strain rate and its applications to planetary science, geophysics, geochemistry, and synthesis of novel materials by design. 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 and DOE Programs Coordinator
E-mail: sgramsch@ciw.edu
Phone: 202-478-8939

Steve oversees operations of two DOE-funded centers headquartered at the Geophysical Laboratory. The Carnegie-DOE Alliance Center (CDAC) is a Center of Excellence for High Pressure Science and Technology funded by Stockpile Stewardship Academic Programs, a DOE/NNSA initiative focused on graduate student education and training in key areas of fundamental science important to the NNSA mission. The Energy Frontier Research in Extreme Environments Center (EFree) is an Energy Frontier Research Center supported by the DOE Office of Science and is dedicated to the study of materials at extreme conditions of pressure and temperature as a means to accelerate the discovery of transformative materials for energy applications. Steve also coordinates the Summer Scholars Program, which provides undergraduate students a rigorous introduction to scientific research. For more information on CDAC, (https://cdac.carnegiescience.edu), EFree (https://efree.carnegiescience.edu), or the Summer Scholars Program (https://www.gl.ciw.edu/static/groups/summerscholars), please visit our websites.

 

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

Dr. Neal S. Gupta has a Ph.D. in Organic Geochemistry and Geobiology from the University of Bristol (2005) and was a Postdoc at Yale University-MIT 2005-2010. He was a NASA Astrobiology Fellow with Dr. George Cody 2009-2010 and a visiting investigator since 2011. His research collaboration with the George Cody research group involves research in biomolecular paleontology, low temperature experimental simulation of diagenesis. His current collaborative research integrates geochemistry, paleoclimate research and also energy applications of organic geochemistry as new directions.

 

Jihua Hao
Visitor
E-mail: jhao3@jhu.edu

Jihua Hao joins us from Johns Hopkins University as a visiting student. Jihua is working with Dimitri Sverjensky and Cecile Feuillie on the origin of life. His other research interests include mineral surface geochemistry.

 

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. He holds B.S. degrees in geological sciences and physics from the University of Rochester and an MLS degree (library and information science) from the State University of New York at Buffalo.

 

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

Robert M. Hazen's research focuses on aspects of the coevolving geosphere and biosphere, especially in the context of Earth's evolving mineralogy. His group investigates interactions among organic biomolecules and mineral surfaces, mineral-mediated chemistry in the context of origins of life, and the emergence of pre-biotic chemical complexity. In recent years he has introduced "mineral evolution," which is the study of Earth's changing near-surface mineralogy through deep time, and "mineral ecology," which focuses on statistical aspects of the diversity and distribution of minerals on terrestrial planets. 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. For more information see: http://hazen.gl.ciw.edu

 

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

Kadek Hemawan is a research scientist at the Geophysical Laboratory. His research activities are comprised of microwave plasma chemical vapor deposition carbon based materials, diamond characterizations, CVD reactor optimization and micro plasma discharge investigation at higher pressure. He received his Ph.D. from Michigan State University.

 

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
Visiting Investigator
E-mail: vhillgren@ciw.edu
Phone: 202-478-8927

Valerie is an experimental geochemist with a B.S. in Geology from the University of Kansas and a Ph.D. in Planetary Science from the University of Arizona. She has studied a variety of problems ranging from the formation and composition of the cores of Earth, the Moon, and Mercury to the fractionation of stable Si and Fe isotopes between metal and silicates. Most of her experimental work is conducted at high pressures and temperatures using the piston cylinder apparatus, the multianvil apparatus, and the laser-heated diamond cell. Currently, she is working with Dr. Anat Shahar on the fractionation of Fe isotopes in Pallasite meteorites.

 

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

Stephen Hodge is an instrument maker for the machine shop at the Geophysical Laboratory. He is responsible for the manufacture/repair of diamond anvil cells, high pressure vessels and their components, laser array equipment, fixtures/devices etc., per the scientists needs. Stephen works to extreme tight tolerances in a wide variety of exotic and aerospace materials.

 

Nicholas Holtgrewe
Visiting Investigator
E-mail: nholtgrewe@ciw.edu
Phone: 202-478-2375

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 and EFree 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), the Energy Frontier Research in Extreme Environments Center (EFree), and 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.

 

Binyang Hou
Postdoctoral Associate
E-mail: byhou@carnegiescience.edu

Binyang Hou is a postdoctoral associate working at HPCAT under the supervision of Dr. Changyong Park. He received his Ph.D. from the University of Illinois at Chicago. His research has been focused on the study of molecular level interfacial structure using various synchrotron x-ray radiation methods as well as electrochemical techniques. His current research focuses on the study of solid-fluid interfaces under ambient as well as high pressure and temperature conditions.

 

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

Mingqiang Hou joins the Geophysical Laboratory as a postdoctoral associate from Beijing Institute of Space Environment Engineering. He is working with Yingwei Fei. His research interests are constraint of Earth's core composition by using static and dynamic experiments and upgrade of heating technique in DAC.

 

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
Postdoctoral Research 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.

 

Fang Huang
Visitor
E-mail: fhuang9@jhu.edu

Fang Huang joins us from Johns Hopkins University as a visiting student. He is working with Yingwei Fei on high pressure and temperature experiments.

 

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.

 

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.

 

Colin Jackson
Postdoctoral Fellow
E-mail: cjackson@ciw.edu

Colin Jackson joins the Geophysical Laboratory from Brown University as a postdoctoral fellow. He will be working with Yingwei Fei, and many other members of the staff, on high-pressure and temperature experiments and solid Earth geochemistry. R147

 

Tomasz Jaron
Visiting Investigator
E-mail: tjaron@uw.edu.pl

Tomasz Jaron is a visiting investigator from the University of Warsaw. He is working with Viktor Struzhkin on high-pressure synthesis and physicochemical properties of novel hydrides of ytterbium and cobalt.

 

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

Cheng Ji is a Postdoctoral Researcher at HPSynC. He recieved his Ph.D. in Mechanical Engineering from Texas Tech University. His research interests include phase transitions of materials under large shear stress at high pressures and high pressure related synchrotron x-ray techniques.

 

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.

 

Ronit Kessel
Visiting Investigator
E-mail: rkessel@carnegiescience.edu
Phone: 202-478-8926

Ronit Kessel joins the Geophysical Laboratory as a visiting investigator from Hebrew University of Jerusalem, Israel, where she is a senior lecturer. She is working with Yingwei Fei and will conduct element partitioning experiments at high pressure and temperature, and investigate the role of carbon in the Earth's interior. RG17

 

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.

 

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

Danielle Appleby is responsible for providing administrative support to the Director of the Geophysical Laboratory. She also offers assistance with long-term planning and goal setting. 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." She holds an M.A. in Material and Visual Culture from University College London, U.K. (2004).

 

Duck Young Kim
Research Scientist
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@carnegiescience.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
Senior 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.

 

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.

 

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.

 

Joseph Lai
Predoctoral Fellow
E-mail: jlai@ciw.edu
Phone: 202-478-8965

Joseph Lai is working with Bjorn Mysen and Dave Mao. His project studies the high pressure-temperature phase diagram of the hydrogen-methane binary system and other hydrogen-bearing molecular systems pertinent to the Earth and planetary interiors. He earned his M.S. in material science and engineering and a B.S. in mechanical engineering from the University of Florida.

 

Codi Lazar
Visiting Investigator
E-mail: clazar@ciw.edu
Phone: 202-478-8967

Codi Lazar is a petrologist and geochemist who integrates experiments, fieldwork, and thermodynamics to study fluid-rock interaction, serpentinization, abiotic organic synthesis, non-traditional stable isotope geochemistry, and subduction zone metamorphism. Codi earned a Ph.D. from UCLA.

 

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: 202-478-8993

Charles Le Losq is a postdoctoral fellow at the Geophysical Laboratory. He works with Bjorn Mysen and George Cody on the interactions between volatile elements and silicate glasses and melts in order to better understand how volatiles can affect the physical properties of molten rocks, and hence, the dynamic of volcanic phenomena. Charles received a Ph.D. in Geophysics from the Institut de Physique du Globe de Paris / University of Paris VII - Denis Diderot in 2012, and a Master degree in Geology and Natural Hazards from the Institut de Physique du Globe de Paris in 2009. R-233

 

Valery Levitas
Visiting Investigator
E-mail: vlevitas@ciw.edu

Valery Levitas joins the Geophysical Laboratory as a visiting investigator on sabbatical from Iowa State University. He is working with Russell Hemley on modeling strength, texture and phase transitions materials. You can find him in room A-G02B.

 

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

Bing Li is a postdoctoral associate at HPSynC. He received his Ph.D. in Condensed Matter Physics from Jilin University in 2011. Bing is working on diamond anvil cell techniques for ultra-high pressure experiment and selected element phase transitions at mega-bar pressures using synchrotron micro-Xray diffraction with Dr. Ho-kwang Mao and others in 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.

 

Qian Li
Visiting Investigator
E-mail: QianLi@hpcat.aps.anl.gov

Qian Li joins HPCAT as a visiting graduate student from Jilin University. She is working with Yue Meng on diffraction studies for her predoctoral studies.

 

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 Jeff spent several years working in public accounting and served as the Director of Finance for Citizens Development Corps (CDC). Jeff received a Bachelors of Science in Economics from the Wharton School of Business at the University of Pennsylvania and is a Certified Public Accountant.

 

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

Chuanlong Lin joins HPCAT as a Postdoctoral Associate from the Beijing Synchrotron Radiation Facility. Chuanlong received his Ph.D. in Condensed Matter Physics from the Institute of High Energy Physics at the Chinese Academy of Science. His focus at HPCAT is on Time-resolved X-ray Probes.

 

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

Yangzheng Lin is a postdoctoral research associate from Penn State University, where he worked on molecular dynamics (MD) and kinetic Monte Carlo (KMC) simulations for GaAs surface reconstruction and diffusion. He is now working with Ronald Cohen and Tim Strobel on the equation of state (EOS) and phase transition for MgSiO3, FeSiO3, and CO2+H2O systems from quantum Monte Carlo (QMC) simulations as well as ground state crystal structure prediction for lithium carbide and new carbon structure prediction based on first principle density functional theory (DFT) computations under ambient and high pressures. RG31

 

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 and Anat Shahar on tracing Earth’s atmospheric oxygen evolution using geochemical proxies. RG31

 

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

Zhenxian Liu is a lead beamline scientist for the Frontier Synchrotron Infrared Spectroscopy Beamline under Extreme Conditions (FIS), currently under construction at National Synchrotron Light Source II, Brookhaven National Laboratory. FIS is the successor of U2A beamline, a dedicated high-pressure infrared diamond anvil cell facility at NSLS, which has been managed by Geophysical Laboratory since 1999. He develops novel experimental techniques (e.g., vacuum far-IR spectroscopy down to 30 cm-1 at high pressure) and assists users in carrying out research projects in geoscience, planetary science, materials science, condensed matter physics, chemistry, and biology. He also uses synchrotron infrared spectroscopy, Raman scattering, photoluminescence as well as synchrotron x-ray diffraction techniques to explore physical and chemical properties and phase transitions of hydrous minerals, simple molecular systems, and nanoscale materials at high pressures and variable temperatures.

 

Sergey Lobanov
Research Scientist
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
Shop Foreman
E-mail: vlugo@ciw.edu
Phone: 202-478-8922

Victor Lugo is the Geophysical Laboratory Shop Foreman. He earned his skills as an Instrument Maker at a three-year machinist program in Mexico City. Victor started working in production for a pharmaceutical facility and gained experience working for an aerospace contractor. He manages activities in the shop and supports the high pressure lab, operating and producing scientific instruments.

 

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.

 

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: 202-478-8959

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
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.

 

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.

 

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.

 

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: 202-478-8945

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.

 

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.

 

Ileana Perez-Rodriguez
Postdoctoral Fellow
E-mail: ileperez@ciw.edu
Phone: 202-478-2372

Ileana Pérez-Rodríguez received her Ph.D. in microbial ecology from Rutgers, The State University of New Jersey. She is working with Dionysis Foustoukos on the bioenergetics (metabolic rates and growth efficiencies) of anaerobic, chemosynthetic microbes from deep-sea hydrothermal vents. These studies, performed both with laboratory pure cultures and environmental hydrothermal vent fluid samples, include the exploration of temperature/pressure effects on deep-sea vent microbial phylogenetic distributions and activities.

 

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.

 

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.

 

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 is a petrologist and geochemist with the Geophysical Laboratory of the Carnegie Institution of Washington. He earned a BA from Columbia College and a PhD from Harvard University. He served as assistant professor at UCLA and on detail as a Program Director in the Earth Sciences Division of the US National Science Foundation. He worked as a Board Member of Geoscience World to provide top-quality electronic publishing technology to Earth Science Societies for their journals. Current research, led by E. D. Young (UCLA), is on development of Panorama, a high mass resolution mass spectrometer designed by P. A. Freedman and built by Nu Instruments Ltd. for the measurement of multiply substituted isotopologues of geochemical and atmospheric gases

 

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

Michelle Scholtes joins the Geophysical Laboratory as the webmaster and departmental assistant. As the webmaster, Michelle is in charge of website content management and development, online newsletter production, social media, conference news coverage, and more. Departmentally, she acts as the seminar coordinator, outreach and event planner, gas cylinder process/office manager, and administrative assistant. Michelle has a broad range of skills including content management systems 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 the Associate Director of HPCAT. His diverse research interests include mineralogy of the upper mantle and transition zone of the Earth, physical (especially elastic) properties of materials at high pressures and temperatures, applications of high-pressure mineral physics to the dynamics of the Earth’s interior, time-resolved studies of materials at high pressure, and development of x-ray microdiffraction and spectroscopic techniques and supporting facilities and sample environment devices for at high pressure and temperature studies.

 

Corliss Kin I Sio
Postdoctoral Fellow
E-mail: ksio@carnegiescience.edu
Phone: 202-478-1078

Corliss Kin I Sio joins the Geophysical Laboratory as a postdoctoral fellow from the University of Chicago. She is working with Anat Shahar on olivine growth rates in basaltic melts. Corliss is also interested in isotope geochemistry and experimental petrology. R-233

 

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

Jesse is a beamline scientist 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 high pressure experimental methods and techniques using synchrotron radiation. Jesse was granted degrees in Physics and Philosophy from Temple University in 2004 and a Ph.D. in Physics from the University of Ottawa in 2009. He joined the Geophysical Laboratory of the Carnegie Institution of Washington in 2011.

 

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.

 

Verena Starke
Visiting Investigator
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.

 

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

Timothy Strobel's research is centered around the synthesis and characterization of novel materials for energy and advanced applications. New materials are synthesized using unique pressure-temperature conditions and through innovative processing pathways. Of particular interest are extended structures rich in carbon, silicon and germanium, as well as hydrogen-rich molecular systems. He received his B.S. (2004) and Ph.D. (2008) in Chemical Engineering from the Colorado School of Mines. In 2008 he joined the Geophysical Laboratory of the Carnegie Institution of Washington as a Carnegie Postdoctoral Fellow and was appointed Staff Scientist in 2011.

 

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 Systems 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.

 

Rajasekarakumar Vadapoo
Postdoctoral Associate
E-mail: rvadapoo@carnegiescience.edu
Phone: 202-478-7977

Rajasekarakumar Vadapoo joins the Geophysical Laboratory as a postdoctoral associate from Spintec, CEA/CNRS in Grenoble, France. He is working with Ron Cohen to use first-priciple computations to synthesize, modify, and manipulate piezoelectrics, and then use chemical pressure to design epitaxial heterostructures that stabilize the materials with enhanced properties at ambient conditions. R133

 

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.

 

Junyue Wang
Postdoctoral Associate
E-mail: jywang@ciw.edu
Phone: 202-478-8987

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.

 

Jiuxing Xia
Predoctoral Associate
E-mail: jxia@carnegiescience.edu
Phone: 202-478-7970

Jiuxing Xia joins the Geophysical Laboratory as a predoctoral associate from the University of Science and Technology of China. She is working with Yingwei Fei on the investigation of chromium fractionation during the core formation processes by conducting high-pressure experiments at the multi-anvil lab. She is also interested in the composition and evolution of the Earth. RG17

 

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 in 2007. 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 electronic and magnetic properties of materials under pressure using synchrotron spectroscopes.

 

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

Qiaoshi(Charles) Zeng is a research scientist at HPSynC. His research interest is focused on understanding the structure and properties of amorphous materials and new materials synthesis by developing and utilizing various high pressure techniques including x-ray diffraction, imaging and spectroscopy etc. He received his PhD in materials science and engineering from Zhejiang University, China in 2010.

 

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

Chang-Sheng Zha is a research scientist, who develops and uses a variety of experimental techniques. These techniques include Raman, Brillouin spectroscopy, and synchrotron x-ray diffraction combining the extreme P-T conditions for the study of physics, chemistry, geoscience and material science. His current interests are focusing on the properties of hydrogen and other molecular crystals under multiple megabar pressure range and extreme temperatures. Zha was a staff scientist in charge of the high pressure program at Cornell High Energy Synchrotron Source (CHESS) before moving to the Geophysical Laboratory.

 

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

Haidong Zhang joins the Geophysical Laboratory as a postdoctoral associate from the University of Florida. He works on novel materials with Timothy Strobel, aiming to discover new materials with outstanding properties, which can be synthesized under extreme conditions such as high pressure and high temperature. RG31.

 

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 minerals in which strong correlations are important. Using numerical methods, the calculated properties of minerals will be compared with experiment results, in order to provide explanations of the experiment discoveries and built precise and reliable theoretical models. He is also interested in developing new numerical methods in model and mineral simulations. His office is located at R-106.

 

Xiao-Miao Zhao
Visiting Investigator
E-mail: xzhao@carnegiescience.edu

Xiamiao Zhao joins the Geophysical Laboratory from South China University of Technology as a visitor working with Alex Goncharov and Viktor Struzhkin. She is working on polycyclic hydrocarbons in connection with their possible superconducting properties, which will include structural determination, optical and resistivity measurements. You can find her in office A-G28A until the end of August.

 

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. In 2013 he joined the Geophysical Laboratory and is working with Timothy Strobel and Yingwei Fei. 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.