Ahart, M., A. Asthagiri, P. Dera, H.K. Mao, R.E. Cohen, and R.J. Hemley, Single-domain electromechanical constants for Pb(Zn_1/3Nb_2/3)O₃-4.5%PbTiO₃ from micro-Brillouin scattering, Appl. Phys. Lett., 88, 042908-1-3, 2006.

Ding, Y., P. Chow, and H.-K. Mao, Determining thermal diffuse scattering of vanadium with x-ray transmission scattering, App. Phys. Lett., 88, 061903-1-3, 2006.

Ding, Y., Y. Ren, P. Chow, J. Zhang, S.C. Vogel, B. Winkler, J. Xu, Y. Zhao, and H.K. Mao, Pressure-induced long-range magnetic ordering in cobalt oxide, Phys. Rev. B, 74, 144101, 2006.

Gregoryanz, E., C. Sanloup, R. Bini, J. Kreutz, H.J. Jodl, M. Somayazulu, H.K. Mao, and R.J. Hemley, On the e-z transition of nitrogen, J. Chem. Phys., 124, 116102-1-2, 2006

Ho, S.S., C.S. Yan, Z. Liu, H.K. Mao, and R.J. Hemley, Prospects for large single crystal CVD diamond, Industrial Diamond Rev., 1/06, 28-32, 2006.

Hu, J.Z., H.K. Mao, J.F. Shu, Q.Z. Guo, and H.Z. Liu, Diamond anvil cell radial x-ray diffraction program at the National Synchrotron Light Source, J. Phys.: Condens. Matter, 18, S1091–S1096, 2006.

Li, J., W. Sturhahn, J.M. Jackson, V.V. Struzhkin, J.F. Lin, J. Zhao, H.K. Mao, and G. Shen, Pressure effect on the electronic structure of iron in (Mg,Fe)(Si,Al)O₃ perovskite: a combined synchrotron Mössbauer and X-ray emission spectroscopy study up to 100 GPa, Phys. Chem. Miner., 33, DOI 10.1007/s00269-006-0105-y, 2006.

Liu, H.Z., J. S. Tse, and H. K. Mao, Stability of rocksalt phase of zinc oxide under strong compression: Synchrotron x-ray diffraction experiments and first-principles calculation studies, Journal of Applied Physics, 100, 093509, 2006.

Mao, H.K., J. Badro, J. Shu, R.J. Hemley, and A.K. Singh, Strength, anisotropy, and preferred orientation of solid argon at high pressures, J. Phys.: Condens. Matter, 18, S963–S968, 2006.

Mao, W.L., H.K. Mao, Y. Meng, P. Eng, M.Y. Hu, P. Chow, Y.Q. Cai, J. Shu, and R.J. Hemley, X-ray-induced dissociation of H₂O and formation of an O₂-H₂ alloy at high pressure, Science, 314, 636-638, 2006.

Mao, W.L., H.K. Mao, W. Sturhahn, J. Zhao, V.B. Prakapenka, Y. Meng, J. Shu, Y. Fei, and R.J. Hemley, Iron-rich post-perovskite and the origin of ultralow-velocity zones, Science, 312, 564-565, 2006.

Mao, W.L., H.K. Mao, V.B. Prakapenka, J. Shu, and R.J. Hemley, The effect of pressure on the structure and volume of ferromagnesian post-perovskite, Geophys. Res. Lett., 33, L12S02, 2006.

Mao, W.L., and H.K. Mao, Ultrahigh-pressure experiment with a motor-driven diamond anvil cell, J. Phys.: Condens. Matter, 18, S1069–S1073, 2006.

Meng, Y., G. Shen, and H.K. Mao, Double-sided laser heating system at HPCAT for in situ x-ray diffraction at high pressures and high temperatures, J. Phys.: Condens. Matter, 18, S1097–S1103, 2006.

Meng, Y., R.B. Von Dreele, B.H. Toby, P. Chow, M.Y. Hu, G. Shen, and H.K. Mao, Hard x-ray radiation induced dissociation of N₂ and O₂ molecules and the formation of ionic nitrogen oxide phases under pressure, Phys. Rev. B, 74, 214107, 2006.

Merkel, S., A. Kubo, L. Miyagi, S. Speziale, T.S. Duffy, H.K. Mao, and H.-R. Wenk, Plastic deformation of MgGeO₃ post-perovskite at lower mantle pressures, Science, 311, 644-646, 2006.

Singh, A.K., H.P. Liermann, S.K. Saxena, H.K. Mao, and S.U. Devi, Nonhydrostatic compression of gold powder to 60 GPa in a diamond anvil cell: estimation of compressive strength from x-ray diffraction data, J. Phys.: Condens. Matter, 18, S969–S978, 2006

Struzhkin, V.V., H.K. Mao, J.-F. Lin, R.J. Hemley, J.S. Tse, Y. Ma, M.Y. Hu, P. Chow, and C.-C. Kao, Valence band x-ray emission spectra of compressed germanium, Phys. Rev. Lett., 96, 137402, 2006.

Yang, L., Y.M. Ma, T. Iitaka, J.S. Tse, K. Stahl, Y. Ohishi, Y. Wang, R.W. Zhang, J.F. Liu, H.K. Mao, and J.Z. Jiang, Pressure-induced phase transformations in the Ba₈Si₄₆ clathrate, Phys. Rev. B, 74, 245209, 2006.

Yoshimura, Y., H.K. Mao, and R.J. Hemley, Direct transformation of ice VII' to low-density amorphous ice, Chem. Phys. Lett., 420, 503–506, 2006.

Yoshimura, Y., S.T. Stewart, Maddury Somayazulu, H.K. Mao, and R.J. Hemley, High-pressure x-ray diffraction and Raman spectroscopy of ice VIII, J. Chem. Phys., 124, 024502-1-7, 2006.

Young, A.F., C. Sanloup, E. Gregoryanz, S. Scandolo, R.J. Hemley, and H.K. Mao, Synthesis of novel transition metal nitrides IrN₂ and OsN₂, Phys. Rev. Lett., 96, 155501, 2006.

Ahart, M., R.E. Cohen, V. Struzhkin, E. Gregoryanz, D. Rytz, S.A. Prosandeev, H.K. Mao, and R.J. Hemley, High-pressure Raman scattering and x-ray diffraction of the relaxor ferroelectric 0.9Pb(Zn_1/3Nb_2/3)O₃-0.04PbTiO₃, Phys. Rev. B, 71, 144102-1-7, 2005.

Cai, Y.Q., H.K. Mao, P.C. Chow, J.S. Tse, Y. Ma, S. Patchkovskii, J.F. Shu, V. Struzhkin, R.J. Hemley, H. Ishii, C.C. Chen, I. Jarrige, C.T. Chen, S.R. Shieh, E.P. Huang, and C.C. Kao, Ordering of hydrogen bonds in high-pressure low-temperature H₂O, Phys. Rev. Lett., 94, 025502, 2005.

Chen, X.-J., V.V. Struzhkin, Z. Wu, R.E. Cohen, S. Kung, H.K. Mao, R.J. Hemley, and A.N. Christensen, Electronic stiffness of a superconducting niobium nitride single crystal under pressure, Phys. Rev. B, 72, 094514-1-5, 2005.

Chen, X.-J., V.V. Struzhkin, Z. Wu, M. Somayazulu, J. Qian, S. Kung, A.N. Christensen, Y. Zhao, R.E. Cohen, H.K. Mao, and R.J. Hemley, Hard superconducting nitrides, Proc. Nat. Acad. Sci., 102, 3198-3201, 2005.

Degtyareva, O., E. Gregoryanz, M. Somayazulu, P. Dera, H.K. Mao, and R.J. Hemley, Novel chain structures in group VI elements, Nature Mat. 4, 152-155, 2005.

Degtyareva, O., E. Gregoryanz, M. Somayazulu, H.K. Mao, and R.J. Hemley, Crystal structure of the superconducting phases of S and Se, Phys. Rev. B, 71, 214104, 2005.

Degtyareva, O., E. Gregoryanz, H.K. Mao, and R.J. Hemley, Crystal structure of S and Se up to 160 GPa, High Pressure Res., 25, 17-33, 2005.

Degtyareva, V.F., O. Degtyareva, M.K. Sakharov, N.I. Novokhatskaya, P. Dera, H.K. Mao, and R.J. Hemley, Stability of Hume-Rothery phases in Cu–Zn alloys at pressures up to 50 GPa, J. Phys.: Condens. Matter, 17, 7955-7962, 2005.

Ding, Y., H. Liu, J. Xu, C.T. Prewitt, R.J. Hemley, and H.K. Mao, Zone-axis diffraction study of pressure induced inhomogeneity in single-crystal Fe_1-xO, Appl. Phys. Lett., 87, 041912, 2005.

Ding, Y., J. Xu, C.T. Prewitt, R.J. Hemley, H.K. Mao, J.A. Cowan, J. Zhang, J. Qian, S.C. Vogel, K.A. Lokshin, and Y. Zhao, Variable pressure-temperature neutron diffraction of wüstite Fe_1-xO: Absence of long-range magnetic order to 20 GPa, Appl. Phys. Lett., 86, 052505-1-3, 2005.

Ding, Y., H. Liu, M. Somayazulu, Y. Meng, J. Xu, C.T. Prewitt, R.J. Hemley, and H.K. Mao, Zone-axis x-ray diffraction of single-crystal Fe_1-xO under pressure, Phys. Rev. B, 72, 174109-1-6, 2005.

Feng, Y., M.S. Somayazulu, R. Jaramillo, T.F. Rosenbaum, E.D. Isaacs, J. Hu, and H.K. Mao, Energy dispersive x-ray diffraction of charge density waves via chemical filtering, Rev. Sci. Instrum, 76, 063913-1-4, 2005.

Freiman, Y.A., S.M. Tretyak, H.K. Mao, and R.J. Hemley, Entropy-driven reentrant phase transitions in even-J/odd-J mixtures of linear rotors, J. Low Temp. Phys., 139, 765-7, 2005.

Gavriliuk, A.G., V.V. Struzhkin, I.S. Lyubutin, M.Y. Hu, and H.K. Mao, Phase transition with suppression of magnetism in BiFeO₃ at high pressure, JETP Lett., 82, 224-227, 2005.

Goncharov, A.F., V.V. Struzhkin, H.K. Mao, and R.J. Hemley, Spectroscopic evidence for broken-symmetry transitions in dense lithium up to megabar pressures, Phys. Rev. B, 71, 184114, 2005.

Gregoryanz, E., O. Degtyareva, M. Somayazulu, R.J. Hemley, and H.K. Mao, Melting of dense sodium, Phys. Rev. Lett., 94, 185502-1-4, 2005.

Hemley, R.J., H.K. Mao, and V.V. Struzhkin, Synchrotron radiation and high pressure: new light on materials under extreme conditions, J. Synch. Rad., 12, 135-154, 2005.

Ice, G.E., P. Dera, W. Liu, and H.-k. Mao, Adapting polychromatic X-ray microdiffraction techniques to high-pressure research: energy scan approach, J. Synch. Rad., 12, 608-617, 2005.

Jacobsen, S.D., J.-F. Lin, R.J. Angel, G. Shen, V.B. Prakapenka, P. Dera, H.K. Mao, and R.J. Hemley, Single-crystal synchrotron X-ray diffraction study of wüstite and magnesiowüstite at lower-mantle pressures, J. Synchrotron Rad., 12, 577-583, 2005.

Lee, S.K., P.J. Eng, H.K. Mao, Y. Meng, M. Newville, M.Y. Hu, and J. Shu, Probing of bonding changes in B₂O₃ glasses at high pressure with inelastic X-ray scattering, Nature Mat., 4, 851-854, 2005.

Lin, J.-F., V.V. Struzhkin, S.D. Jacobsen, G. Shen, V. Prakepenka, H.K. Mao, and R.J. Hemley, X-ray emission spectroscopy with a laser-heated diamond anvil cell: a new experimental probe of the spin state of iron in the Earth’s interior, J. Synchrotron Rad., 12, 637-641, 2005.

Lin, J.-F., E. Gregoryanz, V.V. Struzhkin, M. Somayazulu, H.K. Mao, and R.J. Hemley, Melting behavior of H₂O at high pressures and temperatures, Geophys. Res. Lett., 32, L11306, 2005.

Lin, J.-F., V.V. Struzhkin, S.D. Jacobsen, M.Y. Hu, P. Chow, J. Kung, H. Liu, H.K. Mao, and R.J. Hemley, Spin transition of iron in magnesiowüstite in the Earth’s lower mantle, Nature, 436, 377-380, 2005.

Lin, J.-F., W. Sturhahn, J. Zhao, G. Shen, H.K. Mao, and R.J. Hemley, Sound velocities of hot dense iron: Birch’s law revisited, Science, 308, 1892-1894, 2005.

Lin, J.F., W. Sturhahn, J. Zhao, G. Shen, H.K. Mao, and R.J. Hemley, Nuclear resonant inelastic X-ray scattering and synchrotron Mössbauer spectroscopy with laser-heated diamond anvil cells, in Advances in High-Pressure Technology for Geophysical Applications, edited by J. Chen. al., pp. 397-411, Elsevier, Amsterdam, 2005.

Lin, T. W., W. Schildkamp, K. Brister, P.C. Doerschuk, M. Somayazulu, H.K. Mao, and J.E. Johnson, The mechanism of high-pressure-induced ordering in a macromolecular crystal, Acta Cryst., D61, 737-743, 2005.

Liu, H., J. Chen, J. Hu, C.D. Martin, D.J. Weidner, D. Häusermann, and H.K. Mao, Octahedral tilting evolution and phase transition in orthorhombic NaMgF₃ perovskite under pressure, Geophys. Res. Lett., 32, L04304-1-5, 2005.

Liu, H., Y. Ding, M. Somayazulu, J. Qian, J. Shu, D. Häusermann, and H.K. Mao, Rietveld refinement study of the pressure dependence of the internal structural parameter u in the würtzite phase of ZnO, Phys. Rev. B, 71, 212103, 2005.

Liu, H., J.S. Tse, J. Hu, Z. Liu, L. Wang, J. Chen, D.J. Weidner, Y. Meng, D. Häusermann, and H.K. Mao, Structural refinement of the high-pressure phase of aluminum trihydroxide: In-situ high-pressure angle dispersive synchrotron x-ray diffraction and theoretical studies, J. Phys. Chem. B, 109, 8857-8860, 2005

Mao, W.L., V.V. Struzhkin, H.K. Mao, and R.J. Hemley, Pressure-temperature stability of the van der Waals compound (H₂)₄CH₄, Chem. Phys. Lett., 242, 66-70, 2005.

Mao, W.L., Y. Meng, G. Shen, V.B. Prakapenka, A.J. Campbell, D.L. Heinz, J. Shu, R. Caracas, R.E. Cohen, Y. Fei, R.J. Hemley, and H.K. Mao, Iron-rich silicates in the Earth’s D” layer, Proc. Nat. Acad. Sci., 102, 9751-9753, 2005.

Merkel, S., J. Shu, P. Gillet, H.K. Mao, and R.J. Hemley, X-ray diffraction study of the single crystal elastic moduli of e-Fe up to 30 GPa, J. Geophys. Res., 110, B025201-12, 2005.

Mora, A.E., J.W. Steeds, J.E. Butler, C.S. Yan, H.K. Mao, and R.J. Hemley, Direct evidence of interaction between dislocations and point defects in diamond, phys. stat. sol. (a), 202, R69-R71, 2005.

Okuchi, T., G.D. Cody, H.K. Mao, and R.J. Hemley, Hydrogen bonding and dynamics of methanol by high-pressure diamond anvil cell NMR, J. Chem. Phys., 122, 244509, 2005.

Okuchi, T., R.J. Hemley, and H.K. Mao, Radio frequency probe with improved sensitivity for diamond anvil cell nuclear magnetic resonance, Rev. Sci. Instrum, 76, 026111-1-4, 2005.

Okuchi, T., H.K. Mao, and R.J. Hemley, A new gasket material for higher resolution NMR in diamond anvil cells, in Advances in High-Pressure Technology for Geophysical Applications, edited by J. Chen et al., pp. 503-509, Elsevier, Amsterdam, 2005.

Santoro, M., J.F. Lin, V.V. Struzhkin, H.K. Mao, and R.J. Hemley, In situ Raman spectroscopy with laser-heated diamond anvil cells, in Advances in High-Pressure Technology for Geophysical Applications, edited by J. Chen, pp. 413-423, Elsevier, Amsterdam, 2005.

Shahar, A., W.A. Bassett, H.K. Mao, I-M. Chou, and W.L. Mao, The stability and Raman spectroscopy of ikaite, CaCO₃-6H₂O, at high pressure and temperature, Am. Mineral. 90, 1835-1839, 2005.

Song, Y., Z. Liu, R.J. Hemley, H.K. Mao, and D.R. Herschbach, High-pressure vibrational spectroscopy of sulfur dioxide, J. Chem. Phys., 122, 174511, 2005.

Song, Y., R.J. Hemley, H.K. Mao, and D.R. Herschbach, Nitrogen-containing molecular systems at high presssures and temperature, in Chemistry at Extreme Conditions, edited by M.R. Manaa, pp. 189-222, Elsevier, Amsterdam, 2005.

Xie, X., M.E. Minitti, M. Chen, H.K. Mao, D. Wang, J. Shu, and Y. Fei, Tuite, a new high-pressure phosphate mineral, Diqiu Huaxue (Geochimica), 32, 566-5, 2005.

Yang, J., W. Bai, H. Rong, Z. Zhang, Z. Xu, Q. Fang, B. Yang, T. Li, Y. Ren, S. Chen, J. Hu, J. Shu, and H.K. Mao, Discovery of Fe₂P alloy in garnet peridotite from the Chinese Continental Scientific Drilling Project (CCSD) main hole [in Chinese], Acta Petrologica Sinica, 21, 271-276, 2005.

Anand, M., L.A. Taylor, M.A. Nazarov, J. Shu, H.K. Mao, and R.J. Hemley, Space weathering on airless planetary bodies: Clues from the lunar mineral hapkeite, Proc. Nat. Acad. Sci., 101, 6847-6851, 2004.

Charles, S.J., J.E. Butler, B.N. Feygelson, M.E. Newton, D.L. Carroll, J.W. Steeds, H. Darwish, C.-S. Yan, H.K. Mao, and R.J. Hemley, Characterization of nitrogen doped chemical vapor diposited single crystal diamond before and after high pressure, high temperature annealing, phys. stat. sol. (a), 201, 2473-2486, 2004.

Chen, X.-J., V.V. Struzhkin, S. Kung, H.K. Mao, R.J. Hemley, and A.N. Christensen, Pressure-induced phonon frequency shifts in transition-metal nitrides, Phys. Rev. B, 70, 014501, 2004.

Chen, X.-J., V.V. Struzhkin, R.J. Hemley, and H.K. Mao, High-pressure phase diagram of Bi₂Sr₂CaCu₂O_8+d single crystals, Phys. Rev. B, 70, 214502, 2004.

Eremets, M.I., A.G. Gavriliuk, N.R. Serebryanaya, I.A. Trojan, D.A. Dzivenko, R. Boehler, H.K. Mao, and R.J. Hemley, Structural transformation of molecular nitrogen to a single-bonded atomic state at high pressures, J. Chem. Phys., 121, 11206-11300, 2004.

Gregoryanz, E., C. Sanloup, M. Somayazulu, J. Badro, G. Fiquet, R.J. Hemley, and H.K. Mao, Synthesis and characterization of a binary noble metal nitride, Nature Mater. 3, 294-297, 2004.

Guthrie, M., C.A. Tulk, C.J. Benmore, J. Xu, J.L. Yarger, D.D. Klug, J.S. Tse, H.K. Mao, and R.J. Hemley, Formation and structure of a dense octahedral glass, Phys. Rev. Lett., 93, 115502-1-4, 2004.

Hemley, R. J., and H. K. Mao, New findings in static high-pressure science, in Shock-Compression of Condensed Matter - 2003, M. D. Furnish et al., eds., pp. 17-26 (American Institute of Physics, Melville, NY, 2004).

Li, J., V.V. Struzhkin, H.K. Mao, J. Shu, R.J. Hemley, Y. Fei, B. Mysen, P. Dera, V.B. Prakapenka, and G. Shen, Electronic spin state of iron in the Earth's lower mantle, Proc. Nat. Acad. Sci., 101, 14027-14030, 2004.

Lin, J.-F., O. Degtyareva, C.T. Prewitt, P. Dera, N. Sata, E. Gregoryanz, H.K. Mao, and R.J. Hemley, Crystal structure of a high-pressure/high-temperature phase of alumina by in situ X-ray diffraction, Nature Mater., 3, 389-393, 2004.

Lin, J.-F., Y. Fei, W. Sturhahn, J. Zhao, H.K. Mao, and R.J. Hemley, Magnetic transition and sound velocities of Fe₃S at high pressure: implications for Earth and planetary cores, Earth Planet. Sci. Lett., 226, 33-40, 2004.

Lin, J.-F., B. Militzer, V.V. Struzhkin, E. Gregoryanz, R.J. Hemley, and H.K. Mao, High pressure-temperature Raman measurements of H₂O melting to 22 GPa and 900 K, J. Chem. Phys., 121, 8423-8427, 2004.

Lin, J.-F., M. Santoro, V.V. Struzhkin, H.K. Mao, and R.J. Hemley, In situ high pressure-temperature Raman spectroscopy technique with laser-heated diamond anvil cells, Rev. Sci. Instrum, 75, 3302-3306, 2004.

Lin, J.-F., V.V. Struzhkin, H.K. Mao, R.J. Hemley, P. Chow, M. Hu, and J. Li, Magnetic transition in compressed Fe₃C from x-ray emission spectroscopy, Phys. Rev. B, 70, 212405-1-4, 2004.

Lin, J.-F., W. Sturhahn, J. Zhao, G. Shen, H.K. Mao, and R.J. Hemley, Absolute temperature measurement in a laser-heated diamond anvil cell, Geophys. Res. Lett., 31, doi:10.1029/2004GL020599, 2004.

Liu, H., J. Hu, J. Shu, D. Häusermann, and H.K. Mao, Lack of the critical pressure for weakening of size-induced stiffness in 3C-SiC nanocrystals under hydrostatic compression, Appl. Phys. Lett., 85, 1973-1975, 2004

Liu, H., J.Z. Hu, J. Xu, Z. Liu, J. Shu, H.K. Mao, and J. Chen, Phase transition and compression behavior of gibbsite under high pressure, Phys. Chem. Minerals, 31, 240-246, 2004.

Liu, H., H.K. Mao, M. Somayazulu, Y. Ding, Y. Meng, and D. Häusermann, B1 to B2 phase transition of transition metal monoxide CdO under strong compression, Phys. Rev. B, 70, 094114-1-5, 2004.

Liu, Z., J. Xu, H.P. Scott, Q. Williams, H.K. Mao, and R.J. Hemley, Moissaite (SIC) as windows and anvils for high-pressure infrared spectroscopy, Rev. Sci. Instrum, 75, 5026-5029, 2004.

Lokshin, K.A., Y. Zhao, D. He, W.L. Mao, H.K. Mao, R.J. Hemley, M.V. Lobanov, and M. Greenblatt, Structure and dynamics of hydrogen molecules in the novel clathrate hydrate by high pressure neutron diffraction, Phys. Rev. Lett., 93, 125503-1-4, 2004.

Ma, Y., M. Somayazulu, G. Shen, H.K. Mao, J. Shu, R.J. Hemley, In situ X-ray diffraction studies of iron to Earth-core conditions, Phys. Earth Planet. Inter. 143-144c, 455-467, 2004.

Mao, W.L., and H.K. Mao, Hydrogen storage in molecular compounds, Proc. Nat. Acad. Sci., 101, 708-710, 2004.

Mao, W.L., W. Sturhahn, D.L. Heinz, H.K. Mao, J. Shu, and R.J. Hemley, Nuclear resonant x-ray scattering of iron hydride at high pressure, Geophys. Res. Lett., 31, L15618, doi:10.1029/2004GL020541, 2004.

Mao, W.L., G. Shen, V.B. Prakapenka, Y. Meng, A.L. Campbell, D.L. Heinz, J. Shu, R.J. Hemley, and H.K. Mao, Ferromagnesian post-perovskite silicates in the D” layer of the Earth, Proc. Nat. Acad. Sci., 101, 15867-15869, 2004.

Meng, Y., H.K. Mao, P. Eng, T. Trainor, M. Newville, M.Y. Hu, C.C. Kao, D. Hausermann, and R.J. Hemley, BN under compression: the formation of sp³ bonding, Nature Mater. 3, 111-114, 2004.

Merkel, S., H.-R. Wenk, P. Gillet, H.K. Mao, and R.J. Hemley, Deformation of polycrystalline iron up to 30 GPa and 1000 K, Phys. Earth Planet. Inter., 145, 239-251, 2004.

Papandrew, A.B., A.F. Yue, B. Fultz, I. Halevy, W. Sturhahn, T.S. Toellner, E. Alp, and H.K. Mao, Vibrational modes in nanocrystalline iron under high pressure, Phys. Rev. B, 69, 144301-1-5, 2004.

Santoro, M., E. Gregoryanz, H.K. Mao, and R.J. Hemley, New phase diagram of oxygen at high pressure and temperature, Phys. Rev. Lett., 93, 265701, 2004.

Santoro, M., J.-F. Lin, H.K. Mao, and R.J. Hemley, In-situ high P-T Raman spectroscopy and laser heating of carbon dioxide, J. Chem. Phys., 121, 2780-2787, 2004.

Scott, H.P., R.J. Hemley, H.K. Mao, D.R. Herschbach, L.E. Fried, W.M. Howard, and S. Bastea, Generation of methane in the Earth’s mantle: In situ high pressure-temperature measurements of carbonate reduction, Proc. Nat. Acad. Sci., 101, 14023-14026, 2004.

Shen, G., W. Sturhahn, E.E. Alp, J. Zhao, T.S. Toellner, V.B. Prakapenka, Y. Meng, and H.K. Mao, Phonon density of states in iron at high pressures and high temperatures, Phys. Chem. Minerals, 31, 353-359, 2004.

Struzhkin, V.V., R.J. Hemley, and H.K. Mao, New condensed matter probes for diamond anvil cell technology, J. Phys.: Cond. Matt., 16, S1071-S1086, 2004.

Struzhkin, V.V., H.K. Mao, W.L. Mao, R.J. Hemley, W. Sturhahn, E.E. Alp, C. L'Abbe, M.Y. Hu, and D. Errandonea, Phonon densities of states and elastic properties of Fe-based materials under compression, Hyperfine Interactions, 153, 3-15, 2004.

Wenk, H.-R., I. Lonardelli, J. Pehl, J. Devine, V. Prakapenka, G. Shen, and H.K. Mao, In situ observation of texture development in olivine, ringwoodite, magnesiowüstite and silicate perovskite at high pressure, Earth Planet. Sci. Lett., 226, 507- 519, 2004.

Xu, J., Y. Ding, S.D. Jacobsen, H.K. Mao, R.J. Hemley, J. Zhang, J. Qian, C. Pantea, S.C. Vogel, D.J. Williams, and Y. Zhao, Powder neutron diffraction of wüstite (Fe_0.93O) to 12 GPa using large moissanite anvils, High Pressure Res., 24, 247-253, 2004.

Xu, J., H.K. Mao, R.J. Hemley, and E. Hines, Large volume high pressure cell with support moissanite anvils, Rev. Sci. Instrum, 75, 006404RSI, 2004.

Yan, C.-S., H.K. Mao, W. Li, J. Qian, Y. Zhao, and R.J. Hemley, Ultrahard diamond single crystals from chemical vapor deposition, phys. stat. sol. (a), 201, R25-R27, 2004.

Yoshimura, Y., H.K. Mao, and R.J. Hemley, Transformation of ice in aqueous KCl solution to a high-pressure, low-temperature phase, Chem. Phys. Lett., 40, 511-514, 2004.

Zha, C.-S., H.K. Mao, and R.J. Hemley, Elasticity of dense helium, Phys. Rev. B, 70, 174107-8, 2004.

Zhao, J., W. Sturhahn, J.-F. Lin, G. Shen, E.E. Alp, and H.K. Mao, Nuclear resonant scattering at high pressure and high temperature, High Pressure Res., 24, 447-457, 2004

Ablett, J.M., C.C. Kao, S.R. Shieh, H.K. Mao, M. Croft, and T.A. Tyson, High-pressure x-ray near-edge absorption study of thallium rhenium oxide up to 10.86 GPa, High Pressure Res., 23, 471-476, 2003.

Chen, M., J. Shu, H.K. Mao, X. Xie, and R.J. Hemley, Natural occurrence and synthesis of two new post-spinel polymorphs of chromite, Proc. Natl. Acad. Sci., 100, 14651-14654, 2003.

Chen, M., J. Shu, X. Xie, and H.K. Mao, Natural CaTi₂O₄-structured FeCr₂O₄ polymorph in the Suizhou meteorite and its significance in mantle mineralogy, Geochim. Cosmochim. Acta, 67, 3937-3942, 2003.

Eremets, M.I., V.V. Struzhkin, H.K. Mao, and R.J. Hemley, Exploring superconductivity in low-Z materials at megabar pressures, Physica B, 329, 1312-1316, 2003.

Errandonea, E., M. Somayazulu, D. Hausermann, and H.K. Mao, Melting of tantalum at high pressure determined by angle dispersive x-ray synchroron diffraction in a double-sided laser-heated diamond-anvil cell, J. Phys.: Cond. Matt. 15, 7635-7649, 2003.

Goncharov, A. F., E. Gregoryanz, R. J. Hemley, and H. K. Mao, Molecular character of the metallic high-pressure phase of oxygen, Phys. Rev. B, 68, 100102, 2003.

Gregoryanz, E., A.F. Goncharov, K. Matsuishi, H.K. Mao, and R.J. Hemley, Raman spectroscopy of hot dense hydrogen, Phys. Rev. Lett., 90, 175701-1-4, 2003.

Gregoryanz, E., R. J. Hemley, H. K. Mao, and R. E. Cohen, High pressure elasticity of alpha-quartz: Instability and ferroelastic transition, Reply to Comment by M. Müser and P. Schöffel, Phys. Rev. Lett., 90, 079702, 2003.

He, D., Y. Zhao, T.D. Sheng, R.B. Schwartz, J. Qian, K.A. Lokshin, S. Bobev, L.L. Daemen, H.K. Mao, J.Z. Hu, J. Shu, and J. Xu, Bulk metallic glass gasket for high pressure, in situ x-ray diffraction, Rev. Sci. Instrum. 74, 3012-3016, 2003.

Hellwig, H., A. F. Goncharov, H. K. Mao, E. Gregoryanz, and R. J. Hemley, Brillouin and Raman spectroscopy of the ferroelastic rutile-to-CaCl₂ transition in SnO₂ at high pressure, Phys. Rev. B, 67, 174110, 2003.

Hemley, R.J., Z. Liu, E. Gregoryanz, and H.K. Mao, Infrared and Raman microspectroscopy of minerals under pressure, Microscro. Microanal., 9(Suppl 2), 1098, 2003.

Li, J., C. Hadidiacos, H.K. Mao, Y. Fei, and R. J. Hemley, Behavior of thermocouples under high pressures in a multianvil apparatus, High Pressure Res. 23, 389-401, 2003.

Lin, J.F., J. Shu, H.K. Mao, R.J. Hemley, and G. Shen, Amorphous boron gasket in diamond anvil cell research, Rev. Sci. Instrum., 74, 4732-4736, 2003.

Lin, J.F., D.L. Heinz, H.K. Mao, R.J. Hemley, J.M. Devine, J. Li, and G. Shen, Stability of magnesiowüstite in Earth's lower mantle, Proc. Nat. Acad. Sci., 100, 4405-4408, 2003.

Lin, J.F., V.V. Struzhkin, W. Sturhahn, E. Huang, J. Zhao, M.Y. Hu, E.E. Alp, H.K. Mao, N. Boctor, and R.J. Hemley, Sound velocities of iron-nickel and iron-silicon alloys at high pressures, Geophy. Res. Lett. 30, 10.1029/2003GL018405, 2003.

Ma, Y., C.T. Prewitt, G. Zou, H.K. Mao, and R.J. Hemley, High-pressure high-temperature x-ray diffraction of b-boron to 30 GPa, Phys. Rev. B, 67, 174116, 2003.

Mao, W.L., H.K. Mao, P. Eng, T. Trainor, M. Newville, C.C. Kao, D.L. Heinz, J. Shu, Y. Meng, and R.J. Hemley, Bonding changes in compressed superhard graphite, Science 302, 425-427, 2003.

Mao, W.L., H.K. Mao, C.S. Yan, J. Shu, J.Z. Hu, and R.J. Hemley, Generation of ultrahigh pressures using single-crystal chemical vapor deposition diamond anvils, Appl. Phys. Lett., 83, 5190-5192, 2003

Matsuishi, K., E. Gregoryanz, H.K. Mao, and R.J. Hemley, Equation of state and intermolecular interactions in fluid hydrogen from Brillouin scattering at high pressures and temperatures, J. Chem. Phys., 118, 10683-10695, 2003.

Meng, Y., M. Newville, S. Sutton, J. Rakovan, and H.K. Mao, Fe and Ni impurities in synthetic diamond, Am. Mineral. 88, 1555-1559, 2003.

Merkel, S., H.R. Wenk, J. Badro, G. Montagnac, P. Gillet, H.K. Mao, and R.J. Hemley, Deformation of (Mg_0.9Fe_0.1)SiO₃ perovskite aggregates up to 32 GPa, Earth Planet. Sci. Lett., 209, 351-360, 2003.

Song, Y., R.J. Hemley, H.K. Mao, Z. Liu, M. Somayazulu, and D.R. Herschbach, High-pressure stability, transformations, and vibrational dynamics of nitrosonium nitrate from synchrotron infrared and Raman spectroscopy, J. Chem. Phys. 119, 2232-2240, 2003.

Song, Y., M. Somayazulu, H.K. Mao, R.J. Hemley, and D.R. Herschbach, High-pressure structure and equation of state study of nitrosonium nitrate from synchrotron x-ray diffraction, J. Chem. Phys. 118, 8350-8356, 2003.

Song, Y., R.J. Hemley, H.K. Mao, Z. Liu, and D.R. Herschbach, New phases of N₂O₄ at high pressures and high temperatures, Chem. Phys. Lett., 382, 686-693, 2003.

Wang, Z., Y. Zhao, D. Schiferl, R.T. Downs, H.K. Mao, and T. Sekine, Threshold pressure for disappearance of size-induced effect in spinel-structure Ge₃N₄ nanocrystal, J. Phys. Chem. B, 109, 14151-14153, 2003.

Badro, J., G. Fiquet, V.V. Struzhkin, M. Somayazulu, H.K. Mao, G. Shen, and T. LeBihan, Nature of the high-pressure transition in Fe₂O₃ hematite, Phys. Rev. Lett., 89, 205504, 2002.

Goncharov, A.F., V.V. Struzhkin, E. Gregoryanz, H.K. Mao, R.J. Hemley, G. Lapertot, S.L. Bud'ko, P.C. Canfield, and I.I. Mazin, Pressure dependence of the Raman spectrum, lattice parameters and superconducting critical temperature of MgB₂, in Superconducting Magnesium Diboride, edited by A. Narlikar, pp. 339-350, Nova Science Publishers, Huntington, N.Y., 2002.

Goncharov, A.F., E. Gregoryanz, H.K. Mao, and R.J. Hemley, Raman scattereing of metals to very high pressures, in High Pressure Phenomena (Enrico Fermi Course CXLVII), edited by R.J. Hemley, M. Bernasconi, L. Ulivi, and  G. Chiarott, pp. 297, IOS Press, 2002.

Gregoryanz, E., A.F. Goncharov, R.J. Hemley, H.K. Mao, M. Somayazulu, and G.Y. Shen, Raman, infrared, and x-ray evidence for new phases of nitrogen at high pressures and temperatures, Phys. Rev. B, 66, 224108, 2002.

Gregoryanz, E., V.V. Struzhkin, R.J. Hemley, M.I. Eremets, H.K. Mao, and Y.A. Timofeev, Superconductivity in the chalcogens up to multimegabar pressures, Phys. Rev. B, 65, 064504, 2002.

Guo, Q., H.K. Mao, J. Hu, J. Shu, and R.J. Hemley, The phase transitions of CoO under static pressure to 104 GPa, J. Phys.: Condens. Matter, 14, 11369-11374, 2002.

Hemley, R.J., and H.K. Mao, New window on earth and planetary interiors, Mineral. Mag., 66, 791-811, 2002.

Hemley, R.J., and H.K. Mao, Overview of static high pressure science, in High Pressure Phenomena (Enrico Fermi Course CXLVII), edited by R.J. Hemley, M. Bernasconi, L. Ulivi, and  G. Chiarott, pp. 3-40, IOS Press, 2002.

Hemley, R.J., M.I. Eremets, and H.K. Mao, Progress in experimental studies of insulator-metal transitions at multimegabar pressures, in Frontiers of High-Pressure Research II: Application of High Pressure to Low Dimensional Novel Electronic Materials, edited by H.D. Hochheimer, pp. 201-216, Kluwer, Amsterdam, 2002.

Hofmeister, A.M., and H.K. Mao, Redefinition of the mode Grüneisen parameter for polyatomic substances and thermodynamic implications, Proc. Nat. Acad. Sci., 99, 559-564, 2002.

Hu, J., J. Xu, M. Somayazulu, Q. Guo, R.J. Hemley, and H.K. Mao, X-ray diffraction and laser heating: application of moissanite anvil cell, J. Phys.: Condens. Matter, 14, 10479-10481, 2002.

Li, J., H.K. Mao, Y. Fei, E. Gregoryanz, M. Eremets, and C.S. Zha, Compression of Fe₃C to 30 GPa at room temperature, Phys. Chem. Minerals, 29, 166-169, 2002.

Liu, Z., J. Hu, H. Yang, H.K. Mao, and R.J. Hemley, High-pressure synchrotron x-ray diffraction and infrared microspectroscopy: applications to dense hydrous phases, J. Phys.: Condens. Matter, 14, 10641-10646, 2002.

Luo, W., Y.Z. Ma, G.T. Zou, H.K. Mao, Z.C. Wang, and Y. Wang, High-pressure synchrotron studies on TiO₂-II nanocrystallite doped with SnO₂, J. Phys.: Condens. Matter, 14, 11069-11075, 2002.

Mao, W., J. Shu, J. Hu, R.J. Hemley, and H.K. Mao, Displacive transition in magnesiowüstite, J. Phys.: Condens. Matter, 14, 11349-11354, 2002.

Mao, W.L., H.K. Mao, A.F. Goncharov, V.V. Struzhkin, Q. Guo, J. Hu, J. Shu, R.J. Hemley, M. Somayazulu, and Y. Zhao, Hydrogen clusters in clathrate hydrate, Science, 297, 2247-2249, 2002.

Matsuishi, K., E. Gregoryanz, H.K. Mao, and R.J. Hemley, Brillouin and Raman scattering of fluid and solid hydrogen at high pressures and temperatures, J. Phys.: Condens. Matter, 14, 10631-10636, 2002.

Merkel, S., A.P. Jephcoat, J. Shu, H.K. Mao, P. Gillet, and R.J. Hemley, Equation of state, elasticity and shear strength of pyrite under high pressure, Phys. Chem. Minerals, 29, 1-9, 2002.

Merkel, S., H.R. Wenk, J. Shu, G. Shen, P. Gillet, H.K. Mao, and R.J. Hemley, Deformation of polycrystalline MgO at pressures of the lower mantle, J. Geophys. Res., 107, doi:10.1029/2001JB000920, 2002.

Nakano, S., R.J. Hemley, E. Gregoryanz, A.F. Goncharov, and H.K. Mao, Pressure-induced transformations of molecular boron hydride, J. Phys.: Condens. Matter, 14, 10453-10456, 2002.

Sanloup, C., H.K. Mao, and R.J. Hemley, High-pressure transformations in xenon hydrates, Proc. Nat. Acad. Sci., 99, 25-28, 2002.

Sanloup, C., H.K. Mao, and R.J. Hemley, Evidence for xenon silicates at high pressure and temperature, Geophys. Res. Lett., 29, 10.1029/2002GL014973, 2002.

Struzhkin, V.V., M.I. Eremets, W. Gan, H.K. Mao, and R.J. Hemley, Superconductivity in dense lithium, Science, 298, 1213-1215, doi:10.1126/science.1078535, 2002.

Struzhkin, V.V., Y. Timofeev, E. Gregoryanz, H.K. Mao, and R.J. Hemley, New methods for  investigating superconductivity at very high pressures, in High Pressure Phenomena (Enrico Fermi Course CXLVII), edited by R.J. Hemley, M. Bernasconi, L. Ulivi, and  G. Chiarott, pp. 275, IOS Press, 2002.

Strzhemechny, M.A., R.J. Hemley, H.K. Mao, A.F. Goncharov, and J.H. Eggert, Ortho-para conversion of hydrogen at high pressures, Phys. Rev. B, 66, 014103 (1-18), 2002.

Timofeev, Y.A., V.V. Struzhkin, R.J. Hemley, H.K. Mao, and E.A. Gregoryanz, Improved techniques for measurement of superconductivity in diamond anvil cells by magnetic susceptibility, Rev. Sci. Instrum., 73, 371-377, 2002.

Xie, X., M.E. Minitti, M. Chen, H.K. Mao, D. Wang, J. Shu, and Y. Fei, Natural high-pressure polymorph of merrillite in the shock veins of the Suizhou meteorite, Geochim. Cosmochim. Acta, 66, 2439-2444, 2002.

Xu, J., H.K. Mao, and R.J. Hemley, The gem anvil cell: high-pressure behavior of diamond and related materials, J. Phys.: Condens. Matter, 14, 11549-11552, 2002.

Xu, J., H.K. Mao, R.J. Hemley, and E. Hines, The moissanite anvil cell: a new tool for high-pressure research, J. Phys.: Condens. Matter, 14, 11543-11548, 2002.

Yan, C.-s., Y.K. Vohra, H.K. Mao, and R.J. Hemley, Very high growth rate chemical vapor deposition of single-crystal diamond, Proc. Nat. Acad. Sci., 99, 12523-12525, 2002.

Zhao, J.Y., T.S. Toellner, M.Y. Hu, W. Sturhahn, E.E. Alp, G.Y. Shen, and H.K. Mao, High-energy-resolution monochromator for ⁸³Kr nuclear resonant scattering, Rev. Sci. Instrum., 73, 1608-1610, 2002.

Eremets, M.I., V.V. Struzhkin, R.J. Hemley and H.K. Mao, Superconductivity in boron, Science, 293, 272-274, 2001.

Eremets, M.I., R.J. Hemley, H.K. Mao and E. Gregoryanz, Semiconducting non-molecular nitrogen up to 240 GPa and its low-pressure stability, Nature, 411, 170-174, 2001.

Feldman, J.L., J.H. Eggert, H.K. Mao, and R.J. Hemley, Computations of vibron excitations and Raman spectra of solid hydrogens, J Low Temp. Phys., 122 (3/4), 389-399, 2001.

Goncharov, A.F., E. Gregoryanz, R.J. Hemley, and H.K. Mao, Spectroscopic studies of the vibrational and electronic properties of solid hydrogen to 285 GPa, Proc. Nat. Acad. Sci., 98 (25), 14234-14237, 2001.

Goncharov, A.F., E. Gregoryanz, H.K. Mao and R.J. Hemley, Vibrational dynamics of solid molecular nitrogen to megabar pressures, Low Temp. Phys., 27, 866-869, 2001

Goncharov, A.F., V.V. Struzhkin, E. Gregoryanz, J. Hu, R.J. Hemley, H.K. Mao, G. Lapertot, S.L. Bud'ko and P.C. Canfield, Raman spectrum and lattice parameters of MgB₂ as a function of pressure, Phys. Rev. B, Rapid Comm., 64, 100509(R), 2001.

Goncharov, A.F., M.A. Strzhemechny, H.K. Mao and R.J. Hemley, The low-frequency Raman spectra in phase I of solid H2: Role of crystal fields, Phys. Rev. B, 63, 64304-8, 2001.

Gregoryanz, E., A.F. Goncharov, R.J. Hemley and H.K. Mao, High-pressure amorphous nitrogen, Phys. Rev. B, 64, 052103, 2001.

Hellwig, H., W.B. Daniels, R.J. Hemley, H.K. Mao, and E. Gregoryanz, Coherent anti-Stokes Raman scattering spectroscopy of solid nitrogen to 22 GPa, J. Chem. Phys., 115 (23), 10876-10882, 2001.

Hemley, R.J., M.I. Eremets and H.K. Mao, Progress in experimental studies of insulator-metal transitions at megabar pressures, Frontier of High Pressure Research II: Application of High Pressure to Low-Dimensional Novel Electronic Materials, vol. edited by H. D. H. e. a. (eds.), pp. 201-216, Kluwer Acad. Publ., Netherlands 2001

Hemley, R.J. and H.K. Mao, In-situ studies of iron under pressure: New windows on the Earth's core, Intern. Geol. Rev., 43, 1-30, 2001.

Hemley, R.J., and H.K. Mao, Progress in cryocrystals at megabar pressures, J Low Temp. Phys., 122 (3/4), 331-344, 2001.

Hofmeister, A.M. and H.K. Mao, Evaluation of shear moduli and other properties of silicates with the spinel structure from IR spectroscopy, Am. Mineral., 86, 622-639, 2001.

Klehe, A.-K., R.D. McDonald, J. Singleton, A. Kleppe, H. Olijnyk, A.P. Jephcoat, A.F. Goncharov, V.V. Struzhkin, H.K. Mao, R.J. Hemley, and T. Sasaki, Raman scattering and infrared reflectivity of k-(ET)₂Cu(SCN)₂ under pressure, Synthetic Metals, 120, 857-858, 2001.

Li, J., Y. Fei, H.K. Mao, K. Hirose, and S.R. Shieh, Sulfur in the Earth's inner core, Earth Planet. Sci. Lett., 193, 509-514, 2001.

Ma, Y., H.K. Mao, R.J. Hemley, G. Shen, and M. Somayazulu, Two dimensional energy dispersive x-ray diffraction at high pressures and temperatures, Rev. Sci. Instrum., 72 (2), 1302-1305, 2001.

Mao, H.K., and R.J. Hemley, Ultrahigh pressure research: a new integrated approach, in Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001): Ultra-High Pressure Research --Novel Process for New Materials--, edited by M. Akaishi, T. Sekine, K. Takemura, T. Taniguchi, T. Kobayashi, K. Tajima, and  N. Aida, pp. 57-58, Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan, 2001.

Mao, H.K., C. Kao, and R.J. Hemley, Inelastic x-ray scattering at ultrahigh pressures, J. Phys.: Condensed Matter, 13, 7847-7858, 2001.

Mao, H.K., J. Xu, V.V. Struzhkin, J. Shu, R.J. Hemley, W. Sturhahn, M. Hu, E. Alp, L. Vocadlo, D. Alfè, G.D. Price, M.J. Gillan, M. Schwoerer-Böhning, D. Häusermann, P. Eng, G. Shen, H. Giefers, R. Lübbers, and G. Wortmann, Phonon density of states of iron up to 153 GPa, Science, 292, 914-916, 2001.

Matsuishi, K., A. Masui, T. Suzuki, S. Onari, R. J. Hemley and H. K. Mao, Pressure effects on structures and excitons of lead-iodide based self-organized quantum structures, Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001): Ultra-High Pressure Research --Novel Process for New Materials--, vol. edited by M. Akaishi, T. Sekine, K. Takemura, T. Taniguchi, T. Kobayashi, K. Tajima and N. Aida, pp. 117-118, Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan 2001

Matsuishi, K., T. Suzuki, S. Onari, E. Gregoryanz, R.J. Hemley, and H.K. Mao, Excitonic states of alkylammonium lead-iodide layered perovskite semiconductors under hydrostatic pressure to 25 GPa, phys. stat. sol., 223, 177-182, 2001.

Matthies, S., S. Merkel, H.R. Wenk, R.J. Hemley, and H.K. Mao, Effect of texture on the determination of elasticity of polycrystalline e-iron from diffraction measurements, Earth Planet. Sci. Lett., 194, 201-212, 2001.

Nakano, S., R.J. Hemley, O. Tschauner, and H.K. Mao, High-pressure/high-temperature transformations of boron hydride, in Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001): Ultra-High Pressure Research --Novel Process for New Materials--, edited by M. Akaishi, T. Sekine, K. Takemura, T. Taniguchi, T. Kobayashi, K. Tajima, and  N. Aida, pp. 49-50, Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan, 2001.

Soignard, E., M. Somayazulu, H.K. Mao, J. Dong, O.F. Sankey, and P.F. McMillan, High pressure-high temperature studies of nitride spinels in the Si₃N₄-Ge₃N₄ system, in Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001): Ultra-High Pressure Research --Novel Process for New Materials--, edited by M. Akaishi, T. Sekine, K. Takemura, T. Taniguchi, T. Kobayashi, K. Tajima, and  N. Aida, pp. 35-36, Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan, 2001.

Soignard, E., M. Somayazulu, H.K. Mao, J.J. Dong, O.F. Sankey, and P.F. McMillan, High pressure-high temperature investigation of the stability of nitride spinels in the system Si₃N₄-Ge₃N₄, Solid State Comm., 120 (5-6), 237-242, 2001.

Somayazulu, M., A. Madduri, A.F. Goncharov, O. Tschauner, P.F. McMillan, H.K. Mao, and R.J. Hemley, Novel broken symmetry phase from N₂O at high pressures and high temperatures, Phys. Rev. Lett., 87 (13), 135504, 2001.

Speziale, S., C.S. Zha, T.S. Duffy, R.J. Hemley, and H.K. Mao, Quasihydrostatic compression of magnesium oxide to 52 GPa: implications for the pressure-volume-temperature equation of state, J. Geophys. Res., 106 (B1), 515-528, 2001.

Struzhkin, V.V., H.K. Mao, J. Hu, M. Schwoerer-Böhning, J. Shu, R.J. Hemley, W. Sturhahn, M.Y. Hu, E.E. Alp, P. Eng, and G. Shen, Nuclear inelastic x-ray scattering in FeO to 48 GPa, Phys. Rev. Lett., 87 (25), 255501-1-4, 2001.

Struzhkin, V.V., A.F. Goncharov, R.J. Hemley, H.K. Mao, G. Lapertot, S.L. Bud'ko, and P.C. Canfield, Phonon-assisted electronic topological transition in MgB2 under pressure, J. Phys.: Condens. Matter, 27, 0106576, 2001.

Tschauner, O., H.K. Mao, and R.J. Hemley, New transformations of CO₂ at high pressures and temperatures, Phys. Rev. Lett., 87 (7), 075701, 2001.

Zou, G.T., Y. Ma, H.K. Mao, R.J. Hemley, and S. Gramsch, A diamond gasket for the laser-heated diamond anvil cell, Rev. Sci. Instrum., 72 (2), 1298-1301, 2001

Carpenter, M.A., R.J. Hemley and H.K. Mao, High-pressure elasticity of stishovite and the P42/mmm - Pnnm phase transition, J. Geophys. Res., 105, 10807-10816, 2000.

Chou, I.-M., A. Sharma, R.C. Burruss, J. Shu, H.K. Mao, R.J. Hemley, A.F. Goncharov, L. A. Stern and S. H. Kirby, New methane hydrates, Proc. Natl. Acad. Sci., 97, 13484-13487, 2000.

Eremets, M.I., E. Gregoryanz, V.V. Struzhkin, H.K. Mao, R.J. Hemley, N. Moulders and N.M. Zimmerman, Electrical conductivity of xenon at megabar pressures, Phys. Rev. Lett., 85, 2797-2800, 2000.

Goncharov, A.F., E. Gregoryanz, H.K. Mao, Z. Liu and R.J. Hemley, Optical evidence for a nonmolecular phase of nitrogen above 150 GPa, Phys. Rev. Lett., 85, 1262-1265, 2000.

Goncharov, A.F., V.V. Struzhkin, R.J. Hemley, H.K. Mao and Z. Liu, Advances in optical spectroscopy at multimegabar pressures, 17th AIRAPT Conference, vol. 1, edited by M.H. Manghnani, W.J. Nellis and M.F. Nicol, pp. 90-95, University Press (India) Limited, Honolulu, HI 2000.

Gregoryanz, E., R.J. Hemley, H.K. Mao and P. Gillet, High-pressure elasticity of a-quartz: Instability and ferroelastic transition, Phys. Rev. Lett., 84, 3117-3120, 2000.

Hemley, R.J., A.F. Goncharov, Z. Liu, H.K. Mao and S. Merkel, High-pressure infrared synchrotron and Raman microspectroscopy of Earth and planetary materials, in Microbeam Analysis 2000: Proceedings of the 2nd Conference of the International Union of Microbeam Analysis Societies, edited by D.B. William and R. Shimizu, pp. 87-88, IOP Publishing, Bristol, 2000.

Hemley, R.J., H.K. Mao and S.A. Gramsch, Pressure-induced transformations in deep mantle and core minerals, Eur. J. Min., 64, 157-184, 2000.

Hemley, R.J., J. Shu, M.A. Carpenter, J. Hu, H.K. Mao and K.J. Kingma, Strain-order parameter coupling in the ferroelastic transition in dense SiO2, Solid State Comm., 114, 527-532, 2000.

Hemley, R.J., H.K. Mao, A.F. Goncharov, M. Eremets, and V.V. Struzhkin, The Raman probe of ultrahigh-pressure phenomena, in Proceedings of the Seventeenth International Conference on Raman Spectroscopy (ICORS 2000), edited by S.L. Zhang, and  B. Zhu, pp. 13-16, John Wiley & Sons, Chichester and New York, 2000.

Hu, J. Z., H. K. Mao, Q. Z. Guo and R. J. Hemley, High pressure x-ray diffraction at X17C of the NSLS, Proceedings of AIRAPT 17, vol. 2, edited by M. H. Manghnani, W. J. Nellis and M. F. Nicol, pp. 1039-1042, Universities Press (India) Limited, Honolulu, HI 2000.

Huotari, S., K. Hämäläinen, J. Laukkanen, A. Soininen, S. Manninen, C.C. Kao, T. Buslaps, M. Mezouar and H.K. Mao, High-pressure compton scattering, Proceeding of AIRAPT 17, vol. 2, edited by M.H. Manghnani, W.J. Nellis and M.F. Nicol, pp. 1017-1020, Universities Press (India) Limited, Honolulu, HI 2000.

Kagi, H., R. Lu, P.M. Davidson, A.F. Goncharov, H.K. Mao and R.J. Hemley, Evidence for ice VI as an inclusion of cuboid diamonds from high P-T near infrared spectroscopy, Min. Mag., 64, 1089-1097, 2000.

Klehe, A.-K., R.D. McDonald, A.F. Goncharov, V.V. Struzhkin, H.K. Mao, R.J. Hemley, T. Sasaki, W. Hayes and J. Singleton, Infrared studies of the organic superconductor k-(BEDT-TTF)2Cu(SCN)2 under pressure, J. Phys.: Condens. Matter, 12, L247-L256, 2000.

Liu, H.Z., C.Q. Jin, J.F. Shu, J.Z. Hu, H.K. Mao, Y.H. Zhao and L.H. Wang, Nanocrystalline selenium under high pressure, Proceedings of AIRAPT 17, vol. 1, edited by M.H. Manghnani, W.J. Nellis and M.F. Nicol, pp. 495-497, Universities Press (India) Limited, Honolulu, HI 2000.

Merkel, S., A.F. Goncharov, H.K. Mao, P. Gillet and R.J. Hemley, Raman spectroscopy of iron to 152 gigapascals: Implications for Earth’s inner core, Science, 288, 1626-1629, 2000.

Merkel, S., R.J. Hemley, H.K. Mao and D.M. Teter, Finite element modeling and ab initio calculations of megabar stresses in the diamond anvil cell, 17th AIRAPT Conference, vol. 1, edited by M.H. Manghnani, W.J. Nellis and M.F. Nicol, pp. 68-73, University Press (India) Limited, Honolulu, HI 2000.

Sasaki, J.M., T.P.C. Freire, A.J.D. Moreno, F.E.A. Melo, I. Guedes, J. Mendes-Filho, J. Shu, J. Hu, and H.K. Mao, Single crystal x-ray diffraction in monohydrate L-asparagine under hydrostatic pressure, in Science and Technology of High Pressure: Proceedings of AIRAPT 17, edited by M.H. Manghnani, W.J. Nellis, and M.F. Nicol, pp. 502-505, Universities Press (India) Limited, Honolulu, HI, 2000.

Shieh, S.R., H.K. Mao, R.J. Hemley and L.C. Ming, In-situ X-ray diffraction of dense hydrous magnesium silicates at mantle conditions, Earth Planet. Sci. Lett., 177, 69-80, 2000.

Shieh, S.R., H.K. Mao, J. Konzett and R.J. Hemley, In-situ high pressure X-ray diffraction of phase E to 15 GPa, Am. Mineralogist, 85, 765-769, 2000.

Sobolev, N.V., B.A. Fursenko, S.V. Goryainov, J. Shu, R.J. Hemley and H.K. Mao, Fossilized high pressure from the Earth’s deep interior: The coesite-in-diamond barometer, Proc. Nat. Acad. Sci., 97, 11875-11879, 2000.

Struzhkin, V.V., R.J. Hemley, H.K. Mao, Y.A. Timofeev and M.I. Eremets, Electronic and magnetic studies of materials to megabr pressures, Hyperfine Interactions, 128, 323-343, 2000.

Struzhkin, V.V., A.F. Goncharov, H.K. Mao, R.J. Hemley, S.W. Moore, J.M. Graybeal, J. Sarrao and Z. Fisk, Coupled magnon-phonon excitations in Sr2CuCl2O2 at high pressure, Phys. Rev. B, 62, 3895-3899, 2000.

Tang, J., T. Kikekawa, J.Z. Hu, J.F. Shu, H.K. Mao, T. Furubayashi, A. Matsushita, T. Matsumoto, S. Nagata and N. Matsumoto, Pressure-induced structural phase transition in CuIr2Se4, Proceeding of AIRAPT 17, vol. 1, edited by M.H. Manghnani, W.J. Nellis and M.F. Nicol, pp. 506-509, Universities Press (India) Limited, Honolulu, HI 2000.

Wenk, H.-R., S. Matthies, R.J. Hemley, H.K. Mao and J. Shu, The plastic deformation of iron at pressures of the Earth's inner core, Nature, 405, 1044-1047, 2000.

Xu, J.-A. and H.K. Mao, Moissanite: A new window for high-pressure experiments, Science, 290, 783-785, 2000.

Zha, C.-S., H.K. Mao and R.J. Hemley, Elasticity of MgO and a primary pressure scale to 55 GPa, Proc. Natl. Acad. Sci., 97, 13494-13499, 2000.

Zou, G., Y.Z. Ma, H.K. Mao, J.Z. Hu, S.M. Somayazulu and R.J. Hemley, application of diamond gasket on the XRD study at high pressure and high temperature, Proceedings of AIRAPT 17, vol. 2, edited by M.H. Manghnani, W. J. Nellis and M. F. Nicol, pp. 1107-1108, Universities Press (India) Limited, Honolulu, HI 2000.

Badro, J., V.V. Struzhkin, J. Shu, R.J. Hemley, H.K. Mao, C.C. Kao, J.-P. Rueff and G. Shen, Magnetism in FeO at megabar pressures from x-ray emission spectroscopy, Phys. Rev. Lett., 83, 4101-4104, 1999.

Conrad, P.G., C.S. Zha, H.K. Mao and R.J. Hemley, The high pressure, single-crystal elasticity of pyrope, grossular, and andradite, Am. Mineral., 84, 374-383, 1999.

Duffy, T.S., G. Shen, D.L. Heinz, J. Shu, Y. Ma, H.K. Mao, R.J. Hemley and A.K. Singh, Lattice strains in gold and rhenium under non-hydrostatic compression to 37 GPa, Phys. Rev. B, 60, 15063-15073, 1999.

Duffy, T.S., G. Shen, J. Shu, H.K. Mao, R.J. Hemley and A.K. Singh, Elasticity, shear strength, and equation of state of molybdenum and gold from x-ray diffraction under non-hydrostatic compression to 24 GPa, J. Appl. Phys., 86, 6729-6736, 1999.

Eggert, J.H., E. Karmon, R.J. Hemley, H.K. Mao and A.F. Goncharov, Pressure-enhanced ortho-para conversion in solid hydrogen up to 58 GPa, Proc. Natl. Acad. Sci., 96, 12269-12272, 1999.

Fei, Y., D.J. Frost, H.K. Mao, C.T. Prewitt and D. Häusermann, In situ structure determination of the high-pressure phase of Fe3O4, Am. Mineral., 84, 203-206, 1999.

Feldman, J.L., J.H. Eggert, J. DeKinder, H.K. Mao and R.J. Hemley, Influence of order-disorder in vibron excitations of H2 and D2 in ortho-para mixed crystals, J. Low Temp. Phys., 115, 181-216, 1999.

Goncharov, A.F., V.V. Struzhkin, H.K. Mao and R.J. Hemley, Raman spectroscopy of dense H2O and the transition to symmetric hydrogen bonds, Phys. Rev. Lett., 83, 1998-2001, 1999.

Hemley, R.J., H.K. Mao, M. Somayazulu, Y. Ma, P. McMillan and G.H. Wolf, Investigations of new materials at high pressures and temperatures, Proc. 6th NIRIM Int. Symp. Adv. Materials (ISAM '99): New Semiconducting Materials: Diamond and Related Materials, vol. edited by Y. Bando, pp. 15-16, Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan 1999.

Hemley, R.J., H.K. Mao, M.S. Somayazulu, Y. Ma, P.F. McMillan, and G.H. Wolf, Investigations of new ceramic materials at high pressures and temperatures, in Advanced Materials '99 - New Semiconducting Materials: Diamond and Related Materials, edited by Y. Bando, pp. 15-16, National Institute for Research in Inorganic Materials, Tsukuba, Japan, 1999.

Hirose, K., Y. Fei, Y. Ma and H.K. Mao, The fate of subducted basaltic crust in the Earth's lower mantle, Nature, 397, 53-56, 1999.

Lu, R., A.F. Goncharov, R.J. Hemley and H.K. Mao, Synchrotron infrared microspectroscopy: Application to hydrous minerals, Synchrotron x-ray methods in clay science., vol. 9, edited by D. Schulze, J.W. Stuck and P.M. Bertsch, pp. 165-182, The Clay Minerals Society, Boulder, CO 80306 1999.

Mao, H.K., J. Shu, G. Shen, R.J. Hemley, B. Li and A.K. Singh, Correction -- Elasticity and rheology of iron above 220 GPa and the nature of the Earth's inner core, Nature, 399, 280, 1999.

Merkel, S., R.J. Hemley and H.K. Mao, Finite element modeling of diamond deformation at multimegabar pressures, Appl. Phys. Lett., 74, 656-658, 1999.

Rueff, J.-P., C.C. Kao, V.V. Struzhkin, J. Badro, J. Shu, R.J. Hemley and H.K. Mao, Pressure induced high-spin to low-spin transition in FeS evidenced by x-ray emission spectroscopy, Phys. Rev. Lett., 82, 3284-3287, 1999.

Singh, A.K., C. Balasingh, H.K. Mao, R.J. Hemley and T.S. Duffy, Measurement and analysis of lattice strains in a polycrystalline sample under ultra-high pressure, Proceedings of the International School on Powder Diffraction, pp. 64-77, Allied Publishers Ltd., New Delhi 1999.

Timofeev, Y.A., H.K. Mao, V.V. Struzhkin and R.J. Hemley, Inductive method for investigation of ferromagnetic properties of materials under pressure, Rev. Sci. Instrum., 70, 4059-4061, 1999.

Zhang, R. Y., J. Shu, H.K. Mao and J.G. Liou, Magnetite lamellae in olivine and clinohumite from Dabie UHP ultramafic rocks, central China, Am. Mineral., 84, 564-569, 1999.

Chou, I.-M., J. Blank, A.F. Goncharov, H.K. Mao and R.J. Hemley, In situ observations of a high-pressure phase of H2O ice, Science, 281, 809-812, 1998.

Duffy, T., G. Shen, D.L. Heinz, Y. Ma, R.J. Hemley and H.K. Mao, Lattice strains in gold and rhenium under non-hydrostatic compression, High-Pressure Material Research, vol. 499, edited by R.M. Wentzcovitch, R.J. Hemley, W.J. Nellis and P.Y. Yu, pp. 145-150, Mat. Res. Soc., Warrenndale, Pa. 1998.

Goncharov, A.F., R.J. Hemley, H.K. Mao and J. Shu, New high-pressure excitations in para-hydrogen, Phys. Rev. Lett., 80, 101-114, 1998.

Hemley, R.J., A.F. Goncharov, R. Lu, V.V. Struzhkin, M. Li and H.K. Mao, High-pressure synchrotron infrared spectroscopy at the National Synchrotron Light Source, Nuovo Cimento, 20, 539-551, 1998.

Hemley, R.J., A.F. Goncharov, H.K. Mao, E. Karmon and J.H. Eggert, Spectroscopic studies of p-H2 to above 200 GPa, J. Low Temp. Phys., 110, 75-88, 1998.

Hemley, R.J. and H.K. Mao, Static compression experiments on low-Z planetary materials, Properties of the Earth and Planetary Materials at High Pressure and Temperature, vol. Geophys. Monograph 101, edited by M.H. Manghnani and T. Yagi, pp. 173-183, Am. Geophys. Union, Washington, DC 1998.

Hemley, R.J. and H.K. Mao, New phenomena in low-Z materials at megabar pressures, J. Phys. Condensed Matter, 10, 11157-11167, 1998.

Hemley, R.J., H.K. Mao and R.E. Cohen, High-pressure electronic and magnetic properties, Ultrahigh-Pressure Mineralogy: Physics and Chemistry of the Earth's Deep Interior, vol. edited by R.J. Hemley, pp. 591-638, Mineralogical Society of America, Washington, D. C. 1998.

Hemley, R.J., M.S. Somayazulu, A.F. Goncharov and H.K. Mao, High-pressure Raman spectroscopy of Ar-H2 and CH4-H2 van der Waals compounds, Asian J. Phys., 7, 319-322, 1998.

Mao, H.K. and R.J. Hemley, New windows on the Earth's deep interior, Ultrahigh-Pressure Mineralogy: Physics and Chemistry of the Earth's Deep Interior, vol. edited by R. J. Hemley, pp. 1-32, Mineralogical Society of America, Washington, D. C. 1998.

Mao, H.K., G. Shen, R.J. Hemley and T.S. Duffy, X-ray diffraction with a double hot-plate laser-heated diamond cell, Properties of the Earth and Planetary Materials at High Pressure and Temperature, vol. Geophys. Monograph 101, edited by M.H. Manghnani and T. Yagi, pp. 27-34, Am. Geophys. Union, Washington, DC 1998.

Mao, H.K., J. Shu, G. Shen, R.J. Hemley, B. Li and A.K. Singh, Elasticity and rheology of iron above 220 GPa and the nature of the Earth's inner core, Nature, 396, 741-743, 1998.

Shen, G., T.S. Duffy, H.K. Mao, R.J. Hemley and M.L. Rivers, Melting and crystal structures of iron at high pressures and temperatures, Geophys. Res. Lett., 25, 373-376, 1998.

Shieh, S.R., H.K. Mao, R.J. Hemley and L.-C. Ming, Decomposition of phase D in the lower mantle and the fate of dense hydrous silicates in subducting slabs, Earth Planet. Sci. Lett., 159, 13-23, 1998.

Shu, J., H.K. Mao, J. Hu, Y. Fei and R.J. Hemley, Single-crystal x-ray diffraction of wüstite to 30 GPa hydrostatic pressure, N. Jb. Miner. Abh., Special Issue: Memorial Volume for Matthias Rosenhauer, 172, 309-323, 1998.

Singh, A.K., C. Balasingh, H.K. Mao, R.J. Hemley and J. Shu, Analysis of lattice strains measured under non-hydrostatic pressure, J. Appl. Phys., 83, 7567-7575, 1998.

Singh, A.K., C. Balasingh, H.K. Mao, J. Shu and R.J. Hemley, Interpretation of the lattice strains measured under non-hydrostatic pressure, The Review of High Pressure Science and Technology -- Proceedings of AIRAPT-16 and HPCJ-38 Conference, vol. 7, edited by M. Nakahara, pp. 205-210, Japan Soc. High Pressure Sci. Tech., Kyoto, JAPAN 1998.

Singh, A.K., H.K. Mao, J. Shu and R.J. Hemley, Estimation of single-crystal elastic moduli from polycrystalline x-ray diffraction at high pressure: Applications to FeO and iron, Phys. Rev. Lett., 80, 2157-2160, 1998.

Zha, C.-S., H.K. Mao, R.J. Hemley and T.S. Duffy, Recent progress in high-pressure Brillouin scattering: olivine and ice, The Review of High Pressure Science and Technology -- Proceedings of AIRAPT-16 and HPCJ-38 Conference, vol. 7, edited by M. Nakahara, pp. 739-741, Japan Soc. High Pressure Sci. Tech., Kyoto, JAPAN 1998.

Zha, C.S., T.S. Duffy, R.T. Downs, H.K. Mao and R.J. Hemley, Brillouin scattering and x-ray diffraction of San Carlos olivine: Direct pressure determination to 32 GPa, Earth Planet. Sci. Lett., 159, 25-34, 1998.

Zha, C.S., T.S. Duffy, R.T. Downs, H.K. Mao, R.J. Hemley and D.J. Weidner, Single-crystal elasticity of the a and b of Mg2SiO4 polymorphs at high pressure, Properties of the Earth and Planetary Materials at High Pressure and Temperature, vol. Geophys. Monograph 101, edited by M.H. Manghnani and T. Yagi, pp. 9-16, Am. Geophys. Union, Washington, DC 1998.

Hemley, R.J. and H.K. Mao, Static high-pressure effects in solids, Encyclopedia of Applied Physics, vol. 18, edited by pp. 555-572, VCH Publishers, Inc., New York 1997.

Hemley, R.J., H.K. Mao, G. Shen, J. Badro, P. Gillet, M. Hanfland and D. Häusermann, X-ray imaging of stress and strain of diamond, iron, and tungsten at megabar pressures, Science, 276, 1242-1245, 1997.

Hemley, R.J., I.I. Mazin, A.F. Goncharov and H.K. Mao, Vibron effective charge in dense hydrogen, Europhys. Lett., 37, 403-407, 1997.

Hemley, R.J., C. Meade and H.K. Mao, Comment on "Medium-range order in permanently densified SiO2 and GeO2 glass", Phys. Rev. Lett., 79, 1420, 1997.

Mao, H.K. and R.J. Hemley, High pressure and synchrotron radiation: the new era of megabar research, NSLS Newsletter, July, 4-13, 1997.

Mao, H.K., R.J. Hemley and A.L. Mao, Diamond-cell research with synchrotron radiation, Advances in High Pressure Research in Condensed Matter --Proceedings of the International Conference on Condensed Matter under High Pressures, vol. edited by S.K. Sikka, S.C. Gupta and B.K. Godwal, pp. 12-19, National Institute of Science Communication, New Delhi 1997.

Mao, H.K., G. Shen and R.J. Hemley, Multivariant dependence of Fe-Mg partitioning in the lower mantle, Science, 278, 2098-2100, 1997.

Mazin, I.I., R.J. Hemley, A.F. Goncharov, M. Hanfland and H.K. Mao, Quantum and classical orientational ordering in solid hydrogen, Phys. Rev. Lett., 78, 1066-1069, 1997.

Somayazulu, M.S., R.J. Hemley, A.F. Goncharov, H.K. Mao and L.W. Finger, High-pressure compounds in the methane-hydrogen system: X-ray, infrared and Raman studies on CH4(H2)2, Eur. J. Solid State Inorg. Chem., 34, 705-713, 1997.

Struzhkin, V.V., A.F. Goncharov, R.J. Hemley and H.K. Mao, Cascading Fermi resonances and the soft mode in dense ice, Phys. Rev. Lett., 78, 4446-4449, 1997.

Struzhkin, V.V., R.J. Hemley, H.K. Mao and Y.A. Timofeev, Superconductivity at 10 to 17 K in compressed sulfur, Nature, 390, 382-384, 1997.

Struzhkin, V.V., Y.A. Timofeev, R.J. Hemley and H.K. Mao, Superconducting Tc and electron-phonon coupling in Nb to 132 GPa: magnetic susceptibility at megabar pressures, Phys. Rev. Lett., 79, 4262-4265, 1997.

Yoo, C.S., J. Akella, A.J. Campbell, H.K. Mao and R.J. Hemley, Detecting phases of iron, Science, 275, 94-96, 1997.

Zha, C.S., T.S. Duffy, H.K. Mao, R.T. Downs, R.J. Hemley and D.J. Weidner, Single-crystal elasticity of b-Mg2SiO4 to the pressure of the 410-km seismic discontinuity in the Earth's mantle, Phys. Earth Planet. Inter., 147, E9-E15, 1997.

Bundy, F.P., W.A. Bassett, M.S. Weathers, R.J. Hemley, H.K. Mao and A.F. Goncharov, Review Article The pressure-temperature phase and transformation diagram for carbon; updated through 1994, Carbon, 34, 141-153, 1996.

Goncharov, A.F., J.H. Eggert, I.I. Mazin, R.J. Hemley and H.K. Mao, Raman excitations and orientational ordering in deuterium at high pressure, Phys. Rev. B, Rapid Comm., 54, R15590-R15593, 1996.

Goncharov, A.F., I.I. Mazin, J.H. Eggert, R.J. Hemley and H.K. Mao, Orientational order, disorder and possible glassy behavior in dense deuterium, High Pressure Science & Technology -- Proceedings of the Joint XV AIRAPT & XXXIII EHPRG International Conf., vol. edited by W.A. Trzeciakowski, pp. 533-535, World Scientific Publ. Co., Singapore 1996.

Goncharov, A.F., M. Somayazulu, V.V. Struzhkin, R.J. Hemley and H.K. Mao, New high-pressure low-temperature phase of methane, Fifteenth International Conference on Raman Spectroscopy, vol. edited by S.A. Asher and P. Stein, pp. 1042-1043, John Wiley & Sons, 1996.

Goncharov, A.F., V.V. Struzhkin, M. Somayazulu, R.J. Hemley and H.K. Mao, Compression of ice to 210 GPa: Evidence for a symmetric hydrogen bonded phase, Science, 273, 218-220, 1996.

Hemley, R.J. and H.K. Mao, Dense molecular hydrogen: order, disorder, and localization, J. Non-Cryst. Solids, 205-207, 282-289, 1996.

Hemley, R.J. and H.K. Mao, High-pressure Raman spectroscopy: New windows on matter under extreme conditions, Fifteenth International Conference on Raman Spectroscopy, vol. edited by S.A. Asher and P. Stein, pp. 1032-1033, John Wiley & Sons, 1996.

Hemley, R.J., H.K. Mao, A.F. Goncharov, M. Hanfland and V.V. Struzhkin, Synchrotron infrared spectroscopy to 0.15 eV of H2 and D2 at megabar pressures, Phys. Rev. Lett., 76, 1667-1670, 1996.

Kingma, K.J., H.K. Mao and R.J. Hemley, Synchrotron x-ray diffraction of SiO2 to multimegabar pressures, High Pressure Res., 14, 363-374, 1996.

Loubeyre, P., R. LeToullec, D. Hausermann, M. Hanfland, R.J. Hemley, H.K. Mao and L. W. Finger, X-ray diffraction and equation of state of hydrogen at megabar pressures, Nature, 383, 702-704, 1996.

Mao, H.K. and R.J. Hemley, Energy dispersive x-ray diffraction of micro-crystals at ultrahigh pressures, High Pressure Res., 14, 257-267, 1996.

Mao, H.K. and R.J. Hemley, Solid hydrogen at ultrahigh pressures, High Pressure Science & Technology -- Proceedings of the Joint XV AIRAPT & XXXIII EHPRG International Conf., vol. edited by W.A. Trzeciakowski, pp. 505-510, World Scientific Publ. Co., Singapore 1996.

Mao, H.K. and R.J. Hemley, Experimental studies of the Earth's deep interior: Accuracy and versatility of diamond cells, Phil. Trans. R. Soc. Lond. A, 354, 1315-1333, 1996.

Mao, H.K., J. Shu, Y. Fei, J. Hu and R.J. Hemley, The wüstite enigma, Phys. Earth Planet. Inter., 96, 135-145, 1996.

Shen, G., H.K. Mao and R.J. Hemley, Laser-heating diamond-anvil cell technique: Double-sided heating with multimode Nd:YAG laser, Advanced Materials '96 - New Trends in High Pressure Research -, vol. edited by pp. 149-152, Nat. Inst. Res. Inorganic Mat., Tsukuba, Japan 1996.

Somayazulu, M.S., L.W. Finger, R.J. Hemley and H.K. Mao, New high-pressure compounds in methane-hydrogen mixtures, Science, 271, 1400-1402, 1996.

Struzhkin, V.V., Y.A. Timofeev, R.T. Downs, R.J. Hemley and H.K. Mao, Tc(P) from magnetic susceptibility measurements in high temperature superconductors: YBa2Cu3O7-x and HgBa2Ca2Cu3O8+x, High Pressure Science & Technology -- Proceedings of the Joint XV AIRAPT & XXXIII EHPRG International Conf., vol. edited by W.A. Trzeciakowski, pp. 682-684, World Scientific Publ. Co., Singapore 1996.

Vos, W.L., L.W. Finger, R.J. Hemley and H.K. Mao, Pressure dependence of hydrogen bonding in a novel H2O-H2 clathrate, Chem. Phys. Lett., 257, 524-530, 1996.

Zha, C.S., T.S. Duffy, R.T. Downs, H.K. Mao and R.J. Hemley, Sound velocity and elasticity of single-crystal forsterite to 16 GPa, J. Geophys. Res., 101, 17535-17545, 1996.

Duffy, T.S., R.J. Hemley and H.K. Mao, Structure and Bonding in hydrous minerals at high pressure:  Raman spectroscopy of alkaline earth hydroxides, Volatiles in the Earth and Solar System, vol. edited by K.A. Farley, pp. 211-220, Am. Inst. Physics, New York 1995.

Duffy, T.S., R.J. Hemley and H.K. Mao, Equation of state and shear strength at multimegabar pressures: Magnesium oxide to 227 GPa, Phys. Rev. Lett., 74, 1371-1374, 1995.

Duffy, T.S., C. Meade, Y. Fei, H.K. Mao and R.J. Hemley, High-pressure phase transition in brucite Mg(OH)2, Am. Mineral., 80, 222-230, 1995.

Duffy, T.S., J. Shu, H.K. Mao and R.J. Hemley, Single-crystal x-ray diffraction of brucite to 14 GPa, Phys. Chem. Minerals, 22, 277-281, 1995.

Duffy, T.S., C.S. Zha, R.T. Downs, H.K. Mao and R.J. Hemley, Elastic constants of forsterite Mg2SiO4 to 16 GPa, Nature, 378, 170-173, 1995.

Fei, Y., C.T. Prewitt, H.K. Mao and C.M. Bertka, Structure and density of FeS at high pressure and high temperature and the internal structure of Mars, Science, 268, 1892-1894, 1995.

Feldman, J.L., J.H. Eggert, J. DeKinder, R.J. Hemley, H.K. Mao and D. Schoemaker, Vibron excitations in solid hydrogen: A generalized binary random alloy problem, Phys. Rev. Lett., 74, 1379-1382, 1995.

Goncharov, A.F., I.I. Mazin, J.H. Eggert, R.J. Hemley and H.K. Mao, Invariant points and phase transitions in deuterium at megabar pressures, Phys. Rev. Lett., 75, 2514-2517, 1995.

Hanfland, M., R.J. Hemley and H.K. Mao, Reply to "Comment on 'Optical absorption measurements of hydrogen at megabar pressures'", Phys. Rev. B, 52, 1408-1410, 1995.

Hemley, R.J. and H.K. Mao, Progress on hydrogen at ultrahigh pressures, Oji Seminar Volume: Elementary Processes in Dense Plasmas, vol. edited by S. Ichimaru and S. Ogata, pp. 271-282, Addison-Wesley Pub. Co., Tokyo 1995.

Hemley, R.J., H.K. Mao, T.S. Duffy, J.H. Eggert, A.F. Goncharov, M. Hanfland, M. Li, M. Somayazulu, W. Vos and C.S. Zha, Dense hydrogen in the outer solar system: Implications from recent high-pressure experiments, Volatiles in the Earth and Solar System, vol. edited by K.A. Farley, pp. 250-260, Am. Inst. Physics, New York 1995.

Kingma, K.J., R.E. Cohen, R.J. Hemley and H.K. Mao, Transformation of stishovite to a denser phase at lower-mantle pressures, Nature, 374, 243-245, 1995.

Mao, H.K., J. Eggert and R.J. Hemley, Reflectance effects caused by refractive-index gradient in diamond-cell samples of H2 and Al2O3, Mod. Phys. Lett. B, 9, 201-208, 1995.

Meade, C., H.K. Mao and J. Hu, High-temperature phase transition and dissociation of (Mg,Fe)SiO3 perovskite at lower mantle pressures, Science, 268, 1743-1745, 1995.

Saxena, S.K., L.S. Dubrovinsky, P. Haggkvist, Y. Cerenius, G. Shen and H.K. Mao, Synchrotron x-ray study of iron at high pressure and temperature, Science, 269, 1703-1704, 1995.

Soos, Z.G., J.H. Eggert, R.J. Hemley, M. Hanfland and H.K. Mao, Charge transfer and electron-vibron coupling in dense solid hydrogen, Chem. Phys., 200, 23-39, 1995.

Yoo, C.S., J. Akella, A.J. Campbell, H.K. Mao and R.J. Hemley, Phase diagram of iron by in situ x-ray diffraction: implications for the Earth's core, Science, 270, 1473-1475, 1995.

Duffy, T.S., W.L. Vos, C.-S. Zha, R.J. Hemley and H.K. Mao, Sound velocities in dense hydrogen and the interior of Jupiter, Science, 263, 1590-1593, 1994.

Eggert, J.H., R.J. Hemley, H.K. Mao and J.L. Feldman, Rotation-vibration and intermolecular dynamics of hydrogen and deuterium, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G. A. Samara and M. Ross, pp. 845-848, AIP Press, New York 1994.

Eggert, J.H., R.J. Hemley and H.K. Mao, Raman scattering evidence for a new phase transition in normal deuterium at high pressures, Proceeding of the Fourteenth International Conference on Raman Spectroscopy, vol. edited by N.-T. Yu and X.-Y. Li, pp. 1008-1009, John Wiley & Sons, New York 1994.

Eggert, J.H., J.Z. Hu, H.K. Mao, L. Beauvais, R.L. Meng and C.W. Chu, Compressibility of the HgBa2Can-1CunO2n+2+d (n=1,2,3) high-temperature superconductors, Phys. Rev. B, 49, 15299-15304, 1994.

Eggert, J.H., H.K. Mao and R.J. Hemley, Bivibron linewidths in solid deuterium at high pressure, J. Luminescence, 58, 328-331, 1994.

Fei, Y. and H.K. Mao, In situ determination of the NiAs phase of FeO at high pressure and high temperature, Science, 266, 1678-1680, 1994.

Fei, Y., D. Virgo, B.O. Mysen, Y. Wang and H.K. Mao, Temperature dependent electron delocalization in (Mg,Fe)SiO3-perovskite, Am. Mineral., 79, 826-837, 1994.

Gao, L., Y.Y. Xue, F. Chen, Q. Xiong, R.L. Meng, D. Ramirez, C.W. Chu, J. H. Eggert and H. K. Mao, Universal enhancement of Tc under high pressure in HgBa2Cam-1CumO2m+2+d, Physica C, 1493-1494, 1994.

Gao, L., Y.Y. Xue, F. Chen, Q. Xiong, R.L. Meng, D. Ramirez, C.W. Chu, J.H. Eggert and H.K. Mao, Superconductivity up to 164 K in HgBa2Cam-1CumO2m+2+d (m=1,2, and 3) under quasihydrostatic pressures, Phys. Rev. B, Rapid Comm., 50, 4260-4263, 1994.

Hanfland, M., R.J. Hemley and H.K. Mao, Synchrotron infrared measurements of pressure-induced transformations in solid hydrogen, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 877-880, AIP Press, New York 1994.

Hemley, R.J., Z.G. Soos, M. Hanfland and H.K. Mao, Charge-transfer states in dense hydrogen, Nature, 369, 384-387, 1994.

Hu, J., H.K. Mao, J. Shu and R.J. Hemley, High pressure energy dispersive x-ray diffraction technique with synchrotron radiation, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 441-444, AIP Press, New York 1994.

Kingma, K.J., R.J. Hemley, H.K. Mao and D.R. Veblen, Reply to McNeil and Grimsditch's Comment on "New high-pressure transformation in a-quartz", Phys. Rev. Lett., 72, 1302, 1994.

Kingma, K. J., R. J. Hemley, D. R. Veblen and H.K. Mao, High-pressure crystalline transformations and amorphization in a-quartz, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 39-42, AIP Press, New York 1994.

Li, X. and H.K. Mao, Solid carbon at high pressure: electrical resistivity and phase transition, Phys. Chem. Minerals, 21, 1-5, 1994.

Mao, H.K., Pressure alchemy, Rev. High Pressure Sci. Tech. --Japanese High-Pressure Soc., 3, 8-11, 1994.

Mao, H.K. and R.J. Hemley, Raman scattering from high pressure solids of hydrogen and deuterium, Proceeding of the Fourteenth International Conference on Raman Spectroscopy, vol. edited by N.-T. Yu and X.-Y. Li, pp. 828-829, John Wiley & Sons, New York 1994.

Mao, H.K. and R.J. Hemley, Ultrahigh-pressure transitions in solid hydrogen, Rev. Mod. Phys., 66, 671-692, 1994.

Mao, H.K. and R.J. Hemley, Material science at ultrahigh pressures, Advanced Materials '94,  Proceeding of ISAM94 International Symposium on Advanced Materials '94, vol. edited by M. Kamo, H. Kanda, Y. Matsui and T. Sekine, pp. 229-234, International Comm. Specialists, Inc., Tokyo 1994.

Mao, H.K., R.J. Hemley and A.L. Mao, Recent design of ultrahigh-pressure diamond cell, High Pressure Science and Technology --1993, vol. 2, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 1613-1616, AIP Press, New York 1994.

Mao, H.K., J. Shu, J. Hu and R.J. Hemley, High-pressure x-ray diffraction study of diaspore, Solid State Comm., 90, 497-500, 1994.

Reichlin, R., A.K. McMahan, M. Ross, S. Martin, J. Hu, R.J. Hemley, H.K. Mao and Y. Wu, Optical, x-ray and band-structure studies of iodine at pressures of several megabars, Phys. Rev. B, 49, 3725-3733, 1994.

Vos, W.L., L.W. Finger, R.J. Hemley, H.K. Mao and H.S. Yoder, Phase behavior of H2-H2O at high pressure, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 857-860, AIP Press, New York 1994.

Zha, C.S., T.S. Duffy, H.K. Mao and R.J. Hemley, High-pressure Brillouin scattering and elastic constants of single-crystal hydrogen to 24 GPa, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 873-876, AIP Press, New York 1994.

Zha, C.S., R.J. Hemley, H.K. Mao, T.S. Duffy and C. Meade, Acoustic velocities and refractive index of SiO2 glass to 57.5 GPa by Brillouin scattering, Phys. Rev. B, 50, 13105-13112, 1994.

Zha, C.S., R.J. Hemley, H.K. Mao, T.S. Duffy and C. Meade, Brillouin scattering of silica glass to 57.5 GPa, High Pressure Science and Technology --1993, vol. 1, edited by S.C. Schmidt, J.W. Shaner, G.A. Samara and M. Ross, pp. 93-96, AIP Press, New York 1994.

Eggert, J.H., H.K. Mao and R.J. Hemley, Observation of a two-vibron bound-to-unbound transition in solid deuterium at high pressure, Phys. Rev. Lett., 70, 2301-2304, 1993.

Fei, Y. and H.K. Mao, Static compression of Mg(OH)2 to 78 GPa at high temperature and constraints on the equation of state of fluid H2O, J. Geophys. Res., 98, 11875-11884, 1993.

Fei, Y., H.K. Mao and R.J. Hemley, Thermal expansivity, bulk modulus, and melting curve of H2O-ice VII to 20 GPa, J. Chem. Phys., 99, 5369-5373, 1993.

Hanfland, M., R.J. Hemley and H.K. Mao, Novel infrared vibron absorption in solid h