• CVD Diamond

diamonds

 

 

 

 

 

 

 

 

 

• Multianvil Laboratory

 

 

 

 

 

 

 

 

 

 

 

• Neutron Scattering

 

 

 

   

 

 

 

 

 

 

• Optical Spectroscopy
  
  • UV-Visible-IR Spectroscopy
  • Raman Spectroscopy

   

• Synchrotron Radiation

Resources

A broad range of high-pressure resources are available. These include:

1. High temperature reactor devices
2. Hydrothermal laboratory with
3. Pressure/temperature vessels
4. Piston cylinders
5. Multianvil Laboratory
6. A wide variety of diamond anvil and other gem anvil cell instrumentation.

 

Recent Publications

____   Åberg,D., B. Sadigh, J. Crowhurst, and A. Goncharov, Thermodynamic ground states ofplatinum metal nitrides, Phys. Rev. Lett.,in press.

3652   Ahart,M., A. Asthagiri, Z.-G. Ye, P. Dera, H. K. Mao, R. E. Cohen, and R. J. Hemley,Brillouin scattering and molecular dynamics study of the elastic properties ofPb(Mg1/3Nb2/3)O3, Phys. Rev. B 75, 144410, 2007.

3776   Ahart,M., M. Somayazulu , R. E. Cohen, P. Ganesh, P. Dera, H. K. Mao, R. J. Hemley,Y. Ren, P. Liermann, and Z. Wu, Origin of morphotropic phase boundaries inferroelectrics, Nature 451, 545-548, 2008.

3759   Beck,P., A. F. Goncharov, V. V. Struzhkin, B. Militzer, H. K. Mao, and R. J. Hemley,Measurement of thermal diffusivity at high pressure using a transient heatingtechnique, Appl. Phys. Lett. 91, 181914,2007.

3708   Campbell,A. J., C. T. Seagle, D. L. Heinz, G. Shen, and V. B. Prakapenka, Partialmelting in the iron-sulfur system at high pressure:  a synchrotron X-ray diffraction study, Phys. EarthPlanet. Inter. 162, 119-128, 2007.

3726   Caracas,R., and R. E. Cohen, Prediction of polar ordered oxynitride perovskites, Appl.Phys. Lett. 91, 092902, 2007.

3758   Caracas,R., and R. E. Cohen, Post-perovskite phase in selected sesquioxides fromdensity-functional calculations, Phys. Rev. B 76, 184101, 2007.

____   Caracas,R., and R. E. Cohen, Effect of chemistry on the physical properties ofperovskite and post-perovskite, in Post-Perovskite: The Last Mantle PhaseTransition, K. Hirose et al., eds.,American Geophysical Union, Washington, D.C., in press.

3713   Caracas,R., and R. J. Hemley, New structures of dense nitrogen:  pathways to the polymeric phase, Chem.Phys. Lett. 442, 65-70, 2007.

3683   Chellappa,R., D. Chandra, S. Gramsch, M. Somayazulu , and R. J. Hemley, Pressure-inducedphase transformations in Li-based complex hydrides, in Materials Research atHigh Pressure, M. R. Manaa et al., eds.,pp. 133-138, Symposium Proceedings Vol. 987, Materials Research Society,Warrendale, Pennsylvania, 2007.

3727   Chellappa,R. S., D.  Chandra, M. Somayazulu,S. A. Gramsch, and R. J.  Hemley,Pressure-induced phase transitions in LiNH2,J. Phys. Chem. B111, 10785-10789, 2007.

3742   Chen,X.-J., V. V. Struzhkin, A. F. Goncharov, R. J. Hemley, and H. K. Mao, Oxygenisotope effect in a high-temperature superconductor under high pressure, J.Phys.: Cond. Matter 19, 425236, 2007.

3769   Chen,X.-J., V. V. Struzhkin, Y. Song, A. F. Goncharov, M. Ahart, Z. Liu, H. K. Mao,and R. J. Hemley, Pressure-induced metallization of silane, Proc. Natl.Acad. Sci. USA 105, 20-23, 2008.

3689   Chen,X.-J., V. V. Struzhkin, Z. Wu, R. J. Hemley, H. K. Mao, and H.-Q. Lin,Phonon-mediated superconducting transitions in layered cuprate superconductors,Phys. Rev. B 75, 134504, 2007.

3662   Chen,X.-J., V. V. Struzhkin, Z. Wu, H.-Q. Lin, R. J. Hemley, and H. K. Mao, Unifiedpicture of the oxygen isotope effect in cuprate superconductors, Proc. Natl.Acad. Sci. USA 104, 3732-3735, 2007.

____   Ciezak,J. A., and T. A. Jenkins, Evidence for a high-pressure phase transition of ε-2,4,6,8,10,12-hexanitrohexaazaisowurtzitane(CL-20) using vibrational spectroscopy, Propellants Explos. Pyrotech., in press.

____   Ciezak,J. A., and T. A. Jenkins, New outlook on the high-pressure behavior ofpentaerythritol tetranitrate, Army Research Laboratory Technical Report, in press.

3640   Ciezak,J. A., T. A. Jenkins, Z. Liu, and R. J. Hemley, High-pressure vibrationalspectroscopy of energetic materials: hexahydro-1,3,5- trinitro-1,3,5-triazine, J. Phys. Chem. A 111, 59-63, 2007.

3690   Corgne,A., S. Keshav, Y. Fei, and W. F. McDonough, How much potassium is in theEarth's core?  New insights frompartitioning experiments, Earth Planet. Sci. Lett. 256, 567-576, 2007.

3680   Crowhurst,J., A. Goncharov, B. Sadigh, J. Zaug, Y. Meng, and V. Prakapenka, Synthesis andcharacterization of nitrides of iridium and palladium, in Materials Researchat High Pressure, M. R. Manaa et al., eds.,pp. 3-9, Symposium Proceedings Vol. 987, Materials Research Society,Warrendale, Pennsylvania, 2007.

3782   Crowhurst,J. C., J. M. Brown, A. F. Goncharov, and S. D. Jacobsen, Elasticity of (Mg,Fe)Othrough the spin transition of iron in the lower mantle, Science 319, 451-453, 2008.

3767   Cunningham,N. C., W. Qiu, K. M. Hope, H.-P. Liermann, and Y. K. Vohra, Symmetry loweringunder high pressure:  structuralevidence for f-shell delocalization inheavy rare earth metal terbium, Phys. Rev. B 76, 212101, 2007.

3772   Dattelbaum,D. M., L. L. Stevens, E. B. Orler, M. Ahart, and R. J. Hemley,Brillouin-scattering determination of the acoustic properties of polymers athigh pressure, in Shock Compression of Condensed Matter - 2007, M. Elert et al., eds., pp. 39-42, AIP ConferenceProceedings 955, American Institute of Physics, Melville, N.Y., 2007.

3650   Degtyareva,O., E. R. Hernández, J. Serrano, M. Somayazulu, H. K. Mao, E. Gregoryanz, andR. J. Hemley, Vibrational dynamics and stability of the high-pressure chain andring phases in S and Se, J. Chem. Phys. 126, 084503, 2007.

3718   Degtyareva,O., M. Martínez Canales, A. Bergara, X.-J. Chen, Y. Song, V. V. Struzhkin, H.K. Mao, and R. J. Hemley, Crystal structure of SiH4 at highpressure, Phys. Rev. B 76, 064123, 2007.

3630   Degtyareva,O., V. V. Struzhkin, and R. J. Hemley, High-pressure Raman spectroscopy ofantimony:  As-type, incommensuratehost-guest, and bcc phases, Solid State Commun. 141, 164-167, 2007.

3663   Ding,Y., R. Ahuja, J. Shu, P. Chow, W. Luo, and H. K. Mao, Structural phasetransition of vanadium at 69 GPa, Phys. Rev. Lett. 98, 085502, 2007.

____   Ding,Y., D. Haskel, S. G. Ovchinnikov, Y.-C. Tseng, Yu. C. Orlov, J. C. Lang, and H.K. Mao, Novel pressure-induced magnetic transition in magnetite (Fe3O4),Phys. Rev. Lett., in press.

3709   Fei,Y., A. Ricolleau, M. Frank, K. Mibe, G. Shen, and V. Prakapenka, Toward aninternally consistent pressure scale, Proc. Natl. Acad. Sci. USA 104, 9182-9186, 2007.

3724   Fei,Y., L. Zhang, A. Corgne, H. Watson, A. Ricolleau, Y. Meng, and V.  Prakapenka, Spin transition andequations of state of (Mg, Fe)O solid solutions, Geophys. Res. Lett. 34, L17307, 10.1029/2007GL030712, 2007.

3736   Feng,Y., R. Jaramillo, G. Srajer, J. C. Lang, Z. Islam, M. S. Somayazulu, O. G.Shpyrko, J. J. Pluth, H. K. Mao, E. D. Isaacs, G. Aeppli, and T. F. Rosenbaum,Pressure-tuned spin and charge ordering in an itinerant antiferromagnet, Phys.Rev. Lett. 99, 137201, 2007.

3781   Gavriliuk,A. G., I. S. Lyubutin, and V. V. Struzhkin, Electronic transition and themetallization effect in the BiFeO3 crystal at high pressures, JETPLett. 86, 532-536, 2007.

3684   Gavriliuk,A. G., V. Struzhkin, I. S. Lyubutin, I. A. Trojan, M. Y. Hu, and P. Chow, Phasetransitions in multiferroic BiFeO3, inMaterials Research at HighPressure, M. R. Manaa et al., eds., pp.147-152, Symposium Proceedings Vol. 987, Materials Research Society,Warrendale, Pennsylvania, 2007.

3761   Gavriliuk,A. G., V. V. Struzhkin, I. S. Lyubutin, and I. A. Troyan, Equation of state andstructural transition at high hydrostatic pressures in the BiFeO3crystal, JETP Lett. 86, 197-201, 2007.

____   Goncharov,A., S. D. Jacobsen, V. Struzhkin, and P. Beck, Optical properties of mineralsin the deep-Earth, in McGraw-Hill 2008 Yearbook of Science & Technology,McGraw-Hill, New York, in press.

3749   Goncharov,A. F., and J. Crowhurst, Proton delocalization under extreme conditions of highpressure and temperature, Phase Transitions 80, 1051-1072, 2007.

3730   Goncharov,A. F., J. C. Crowhurst, J. K. Dewhurst, S. Sharma, C. Sanloup, E. Gregoryanz,N. Guignot, and M. Mezouar, Thermal equation of state of cubic boronnitride:  implications for ahigh-temperature pressure scale, Phys. Rev. B 75, 224114, 2007.

3681   Goncharov,A. F., C. Sanloup, N. Goldman, J. C. Crowhurst, L. E. Fried, N. Guignot, M.Mezouar, and Y. Meng, Probing of structure factor of water to 57 GPa and 1500K, in Materials Research at High Pressure, M.R. Manaa et al., eds., pp. 121-126, Symposium Proceedings Vol. 987, MaterialsResearch Society, Warrendale, Pennsylvania, 2007.

____   Goncharov,A. F., S. Sinogeiken, J. C. Crowhurst, M. Ahart, D. Lakshtanov, V. Prakapenka,J. Bass, P. Beck, S. N. Tkachev, J. Zaug, and Y. Fei, Cubic boron nitride as aprimary calibrant for a high temperature pressure scale, High Pressure Res., in press.

3692   Gregoryanz,E., A. F. Goncharov, C. Sanloup, M. Somayazulu, H. K. Mao, and R. J. Hemley,High P-T transformations of nitrogen to170 GPa, J. Chem. Phys. 126,184505, 2007.

3719   Haskel,D., Y. C. Tseng, J. C. Lang, and S. Sinogeikin, Instrument for x-ray magneticcircular dichroism measurements at high pressures, Rev. Sci. Instrum. 78, 083904, 2007.

3664   Hong,X., G. Shen, V. B. Prakapenka, M. Newville, M. L. Rivers, and S. R. Sutton,Intermediate states of GeO2 glass under pressures up to 35 GPa, Phys.Rev. B 75, 104201, 2007.

3757   Hong,X., G. Shen, V. B. Prakapenka, M. L. Rivers, and S. R. Sutton, Densitymeasurements of noncrystalline materials at high pressure with diamond anvilcell, Rev. Sci. Instrum. 78, 103905,2007.

3773   Jacobsen,M. K., R. S. Kumar, A. L. Cornelius, S. V. Sinogeiken, and M. F. Nico, Highpressure x-ray diffraction studies of Bi2−xSbxTe3 (x =0,1,2), in Shock Compression of Condensed Matter - 2007, M. Elert et al., eds., pp. 171-174, AIP ConferenceProceedings 955, American Institute of Physics, Melville, N.Y., 2007.

3693   Kaminskii,A. A., R. J. Hemley, J. Lai, C. S. Yan, H. K. Mao, V. G. Ralchenko, H. J.Eichler, and H. Rhee, High-order stimulated Raman scattering in CVD singlecrystal diamond, Laser Phys. Lett. 4,350-353, 2007.

3743   Keshav,S., G. Sen, and D. C. Presnall, Garnet-bearing xenoliths from Salt Lake Crater,Oahu, Hawaii:  high-pressurefractional crystallization in the oceanic mantle, J. Petrol. 48, 1681-1724, 2007.

3694   Kumar,R. S., A. L. Cornelius, M. G. Pravica, M. F. Nicol, M. Y. Hu, and P. C. Chow,Bonding changes in single wall carbon nanotubes (SWCNT) on Ti and TiH2addition probed by X-ray Raman scattering, Diamond Rel. Mater. 16, 1136-1139, 2007.

3643   Kumar,R. S., A. L. Cornelius, M. Somayazulu, D. Errandonea, M. F. Nicol, and J.Gardner, High pressure structure of Tb2Ti2O7pyrochlore at cryogenic temperatures, Phys. Status Solidi (b) 244, 266-269, 2007.

3695   Kumar,R. S., M. G. Pravica, A. L. Cornelius, M. F. Nicol, M. Y. Hu, and P. C. Chow,X-ray Raman scattering studies on C60 fullerenes and multi-walledcarbon nanotubes under pressure, Diamond Rel. Mater. 16, 1250-1253, 2007.

3705   Lakshtanov,D. L., S. V. Sinogeikin, K. D. Litasov, V. B. Prakapenka, H. Hellwig, J. Wang,C. Sanches-Valle, J.-P. Perrillat, B. Chen, M. Somayazulu, J. Li, E. Ohtani,and J. D. Bass, The post-stishovite phase transition in hydrous alumina-bearingSiO2 in the lower mantle of the Earth, Proc. Natl. Acad. Sci. USA104, 13588–13590, 2007.

3666   Lee,S. K., P. J. Eng, H. K. Mao, Y. Meng, and J. Shu, Structure of alkali borateglasses at high pressure:  B and LiK-edge inelastic x-ray scattering study,Phys. Rev. Lett. 98, 105502,2007.

____   Li,J., Electronic transitions and spin states in perovskite and post-perovskite,in Post-Perovskite:  The LastMantle Phase Transition, K. Hirose et al.,eds., American Geophysical Union, Washington, D.C., in press.

3717   Liermann,H. P., A. K. Singh, M. Somayazulu , and S. K. Saxena, Compression behavior ofNbC under nonhydrostatic conditions to 57 GPa, Int. J. Refract. Met. HardMater. 25, 386–391, 2007.

3667   Lin,J.-F., H. Fukui, D. Prendergast, T. Okuchi, Y. Q. Cai, N. Hiraoka, C.-S. Yoo,A. Trave, P. Eng, M. Y. Hu, and P. Chow, Electronic bonding transition incompressed SiO2 glass, Phys. Rev. B 75, 012201, 2007.

3706   Lin,J.-F., V. V. Struzhkin, A. G. Gavriliuk, and I. Lyubutin, Comment on “Spincrossover in (Mg,Fe)O:  a Mössbauereffect study with an alternative interpretation of x-ray emission spectroscopydata”, Phys. Rev. B 75, 177102, 2007.

3729   Lin,J.-F., G. Vankó, S. D. Jacobsen, V. Iota, V. V. Struzhkin, V. B. Prakapenka, A.Kuznetsov, and C.-S. Yoo, Spin transition zone in Earth’s lower mantle, Science317, 1740-1743, 2007.

3732   Lucas,M. S., A. Papandrew, B. Fultz, and M. Y. Hu, Partial phonon densities of statesof 57Fe in Fe-Cr: analysis by a local-order cluster expansion, Phys. Rev. B 75, 054307, 2007.

3750   Luo,W., R. Ahuja, Y. Ding, and H. K. Mao, Unusual lattice dynamics of vanadiumunder high pressure, Proc. Natl. Acad. Sci. USA 104, 16428-16431, 2007.

3686   Lyubutin,I. S., A. G. Gavriliuk, and V. Struzhkin, Magnetic collapse and insulator-metaltransitions in some 3D metal oxides under high pressures, in MaterialsResearch at High Pressure, M. R. Manaa etal., eds., pp. 167-178, Symposium Proceedings Vol. 987, Materials ResearchSociety, Warrendale, Pennsylvania, 2007.

3631   Lyubutin,I. S., A. G. Gavriliuk, V. V. Struzhkin, S. G. Ovchinnikov, S. A. Kharlamova,L. N. Bezmaternykh, M. Hu, and P. Chow, Pressure-induced electron spintransition in the paramagnetic phase of the GdFe3(BO3)4Heisenberg magnet, JETP Lett. 84,518-523, 2007.

3679   Manaa,M. R., A. F. Goncharov, R. J. Hemley, and R. Bini, eds., Materials Researchat High Pressure, Symposium ProceedingsVol. 987, Materials Research Society, Warrendale, Pennsylvania, 199 pp., 2007.(Available for purchase from the publisher.)

3668   Manoun,B., H. Yang, S. K. Saxena, A. Ganguly, M. W. Barsoum, B. El Bali, Z. X. Liu,and M. Lachkar, Infrared spectrum and compressibility of Ti3GeC2to 51 GPa, J. Alloys Compounds 433,265-268, 2007.

3702   Mao,H. K., and R. J. Hemley, The high-pressure dimension in earth and planetaryscience, Proc. Natl. Acad. Sci. USA 104,9114-9115, 2007.

3775   Martin,C. D., Y. Meng, V. Prakapenka, and J. B. Parise, Gasketing optimized for largesample volume in the diamond anvil cell: first application to MgGeO3 and implications for structuralsystematics of the perovskite to post-perovskite transition, J. Appl.Crystallogr. 41, 38-43, 2008.

3697   Merkel,S., A. K. McNamara, A. Kubo, S. Speziale, L. Miyagi, Y. Meng, T. S. Duffy, andH. R. Wenk, Deformation of (Mg,Fe)SiO3 post-perovskite and D''anisotropy, Science 316, 1729-1732,2007.

3658   Mibe,K., M. Kanzaki, T. Kawamoto, K. N. Matsukage, Y. Fei, and S. Ono, Secondcritical endpoint in the peridotite-H2O system,J. Geophys. Res.112, B03201, 10.1029/2005JB004125, 2007.

3774   Militzer,B., and W. B. Hubbard, Implications of shock wave experiments withprecompressed materials for giant planet interiors, in Shock Compression ofCondensed Matter - 2007, M. Elert et al.,eds., pp. 1395-1398, AIP Conference Proceedings 955, American Institute ofPhysics, Melville, N.Y., 2007.

3731   Murakami,M., S. V. Sinogeikin, H. Hellwig, J. D. Bass, and J.  Li, Sound velocity of MgSiO3 perovskite to Mbarpressure, Earth Planet. Sci. Lett. 256,47-54, 2007.

3698   Okuchi,T., M. Takigawa, J. Shu, H. K. Mao, R. J. Hemley, and T. Yagi, Fast moleculartransport in hydrogen hydrates by high-pressure diamond anvil cell NMR, Phys.Rev. B 75, 144104, 2007.

3778   Ponosov,Yu. S., V. V. Struzhkin, S. V. Strel'tsov, and A. F. Goncharov, Lightscattering by electrons in osmium: effect of pressure, JETP Lett. 86,398-403, 2007.

3753   Pravica,M., O. Grubor-Urosevic, M. Hu, P. Chow, B. Yulga, and P. Liermann, X-ray Ramanspectroscopic study of benzene at high pressure, J. Phys. Chem. B 111, 11635 -11637, 2007.

3728   Pravica,M., B. Yulga, Z. Liu, and O. Tschauner, Infrared study of1,3,5-triamino-2,4,6-trinitrobenzene under high pressure, Phys. Rev. B 76, 064102, 2007.

3748   Santoro,M., E. Gregoryanz, H. K. Mao, and R. J. Hemley, Anomalous optical emission  in hot dense oxygen, Solid StateCommun. 144, 225-229, 2007.

3671   Scott,H. P., S. Huggins, M. R. Frank, S. J. Maglio, C. D. Martin, Y. Meng, J.Santillán, and Q. Williams, Equation of state and high-pressure stability of Fe3P-schreibersite:  implications for phosphorus storage inplanetary cores, Geophys. Res. Lett. 34,L06302, 10.1029/2006GL029160, 2007.

3760   Scott,H. P., Z. Liu, R. J. Hemley, and Q. Williams, High-pressure infrared spectra oftalc and lawsonite, Am. Mineral. 92,1814–1820, 2007.

3688   Sha,X., and R. E. Cohen, Lattice dynamics and thermodynamics of bcc vanadium athigh pressures, in Materials Research at High Pressure, M. R. Manaa et al., eds., pp. 185-195, SymposiumProceedings Vol. 987, Materials Research Society, Warrendale, Pennsylvania,2007.

3723   Shen,G., H.-P. Liermann, S. Sinogeikin, W. Yang, X. Hong, C.-S. Yoo, and H. Cynn,Distinct thermal behavior of GeO2 glass in tetrahedral,intermediate, and octahedral forms, Proc. Natl. Acad. Sci. USA 104, 14576-14579, 2007.

3673   Sheng,H. W., H. Z. Liu, Y. Q. Cheng, J. Wen, P. L. Lee, W. K. Luo, S. D. Shastri, andE. Ma, Polyamorphism in a metallic glass,Nature Mater. 6, 192-197, 2007.

3687   Shu,J., W. L. Mao, R. J. Hemley, and H. K. Mao, Pressure-induced distortive phasetransition in chromite-spinel at 29 GPa, inMaterials Research at HighPressure, M. R. Manaa et al., eds., pp.179-184, Symposium Proceedings Vol. 987, Materials Research Society,Warrendale, Pennsylvania, 2007.

____   Singh,A. K., H.-P. Liermann, Y. Akahama, S. K. Saxena, and E. Menéndez-Proupin,Strength of polycrystalline coarse-grained platinum to 330 GPa and ofnanocrystalline platinum to 70 GPa from high-pressure x-ray diffraction data, J.Appl. Phys., in press.

3682   Somayazulu, M., S. Gramsch, H. K. Mao, and R. Hemley, High pressure-high temperaturereactions in xenon-chlorine system, in Materials Research at High Pressure, M. R. Manaa et al., eds., pp. 127-132, SymposiumProceedings Vol. 987, Materials Research Society, Warrendale, Pennsylvania,2007.

3745   Stevens,L. L., E. B. Orler, D. M. Dattelbaum, M. Ahart, and R. J. Hemley,Brillouin-scattering determination of the acoustic properties and theirpressure dependence for three polymeric elastomers, J. Chem. Phys. 127, 104906, 2007.

3685   Struzhkin,V. V., M. I. Eremets, I. M. Eremets, J.-F. Lin, W. Sturhahn, J. Zhao, and M. Y.Hu, Synchrotron Mössbauer spectroscopy and resistivity studies of iron oxideunder high pressure, in Materials Research at High Pressure, M. R. Manaa et al., eds., pp. 161-166, SymposiumProceedings Vol. 987, Materials Research Society, Warrendale, Pennsylvania,2007.

3752   Struzhkin,V. V., B. Militzer, W. L. Mao, H. K. Mao, and R. J. Hemley, Hydrogen storage inmolecular clathrates, Chem. Rev. 107,4133-4151, 2007.

3700   Tse,J. S., D. D. Klug, S. Desgreniers, J. S. Smith, R. Flacau, Z. Liu, J. Hu, N.Chen, and D. T. Jiang, Structural phase transition in CaH2 at highpressures, Phys. Rev. B 75, 134108,2007.

3741   Tse,J. S., Y. Song, and Z. Liu, Effects of temperature and pressure on ZDDP, Tribol.Lett. 28, 45-49, 2007.

3704   Tseng,Y. C., D. Haskel, J. C. Lang, S. Sinogeikin, Ya. Mudryk, V. K. Pecharsky, andK. A. Gschneidner, Jr., Effect of hydrostatic pressure upon the magnetictransitions in the Gd5(SixGe1−x)4giant magnetocaloric compounds: X-ray magnetic circular dichroism study, Phys. Rev. B 76, 014411, 2007.

3715   Vorberger,J., I. Tamblyn, S. A. Bonev, and B. Militzer, Properties of dense fluidhydrogen and helium in giant gas planets,Contrib. Plasma Phys. 47, 375-380, 2007.

3675   Vorberger,J., I. Tamblyn, B. Militzer, and S. A. Bonev, Hydrogen-helium mixtures in theinteriors of giant planets, Phys. Rev. B 75, 024206, 2007.

3738   Wang,Z., S. Seal, S. Patil, C. Zha, and Q. Xue, Anomalous quasihydrostaticity andenhanced structural stability of 3 nm nanoceria, J. Phys. Chem. C 111, 11756-11759, 2007.

3756   Yang,K., Q. Cui, Y. Hou, B. Liu, Q. Zhou, J. Hu, H. K. Mao, and G. Zou,Pressure-induced crystallization and phase transformation of amorphous selenium:  Raman spectroscopy and x-raydiffraction studies, J. Phys.: Cond. Matter 19, 425220, 2007.

3755   Yoshimura,Y., H. K. Mao, and R. J. Hemley, In situRaman spectroscopy of reversible low-temperature transition between low-densityand high-density amorphous ices, J. Phys.: Cond. Matter 19, 425214, 2007.

3701   Yoshimura,Y., S. T. Stewart, H. K. Mao, and R. J. Hemley, In situ Raman spectroscopy of low-temperature/high-pressuretransformations of H2O, J. Chem. Phys. 126, 174505, 2007.

3707   Zeng,Q. S., Y. C. Li, C. M. Feng, P. Liermann, M. Somayazulu, G. Y. Shen, H. K. Mao,R. Yang, J. Liu, T. D. Hu, and J. Z. Jiang, Anomalous compression behavior inlanthanum/cerium-based metallic glass under high pressure, Proc. Natl. Acad.Sci. USA 104,13565-13568, 2007.

3676   Zha,C.-S., R. J. Hemley, S. A. Gramsch, H. K. Mao, and W. A. Bassett, Optical studyof H2O ice to 120 GPa: dielectric function, molecular polarizability, and equation of state, J.Chem. Phys. 126, 074506, 2007.