520. Dattlebaum, D. M., L. L. Stevens, E. B. Orler, M. Ahart, and R. J. Hemley, Brillouin-scattering determination of the acoustic properties of polymers at high pressure, in Shock Compression of Condensed Matter – 2007 (eds. M. D. Furnish, Elert, M. L., Russell, T. P. and White, C. T.), 39-42 (AIP, New York, 2007).

519. Li, J., Electronic transitions and spin states in the lower mantle, in Post-Perovskite: The Last Mantle Phase Transition (ed. K. Hirose), 46-68 (American Geophysical Union, Washington, DC, 2007).

518. Lonardelli, I., N. Gey, H. R. Wenk, M. Humbert, S. C. Vogel, and L. Lutterotti, In situ observation of texture evolution during α → β and β → α phase transformations in titanium alloys investigated by neutron diffraction, Acta Mater. 55, 5718-5727 (2007).

517. Ma, Y. and R. Aksoy, Compression of CdCu₃Ti₄O₁₂ perovskite to 55 GPa, Solid State Comm. 142, 376-379 (2007).

516. Mao, W. L., A. J. Campbell, V. B. Prakapenka, R. J. Hemley, and H. K. Mao, Effect of iron on the properties of post-perovskite silicate, in Post-Perovskite: The Last Mantle Phase Transition (ed. K. Hirose), 37-46 (American Geophysical Union, Washington, DC, 2007).

515. Mao, W. L., C. A. Koh, and E. D. Sloan, Clathrate hydrates under pressure, Phys. Today 60, 42 (2007).

514. Militzer, B. and W. B. Hubbard, Implications of shock wave experiments with precompressed materials for giant planet interiors, in Shock Compression of Condensed Matter – 2007 955, 1395 (American Institute of Physics, Melville, NY, 2007).

513. Zhang, Z. M., S. Yang, H. Ron, J. Z. Hu, J. F. Shu, and H. K. Mao, Discovery of diamond in eclogite from the Chinese Continetnal Scientific Drilling Project Main Hole (CCSD-MH) in the Sulu UHPM belt, J. Petrol. Sin. 23, 3201-3206 (2007).

512. Seager, S., M. Kuchner, C. A. Hier-Majumder, and B. Militzer, Mass-radius relationships for solid exoplanets, Astrophys. Lett., 669, 1279-1297 (2007).

511. Pang, Y., J. C. Deak, E. Huang, A. Lagutchev, A. Pakoulev, J. E. Patterson, T. D. Sechler, Z. Wang, and D. D. Dlott, Vibrational energy with high time and space resolution, Int. Rev. Phys. Chem., 26, 223-248 (2007).

510. Mei, Q., C. J. Benmore, E. Soignard, S. Amin, and J. Yarger, Analysis of high-energy x-ray diffraction data at high pressure: The case of vitreous As₂O₃ at 32 GPa, J. Phys. Chem. Solids, 19, 415103 (2007).

509. McLain, S. E., A. K. Soper, J. J. Molaison, C. J. Benmore, M. R. Dolgos, J. L. Yarger, and J. F. C. Turner, On the structure of liquid antimony pentafluoride, J. Mol. Liq., 131-132, 239-245 (2007).

508. Corgne, A., S. Keshav, Y. Fei, and W. F. McDonough, How much potassium is in the Earth’s core? New insights from partitioning experiments, Earth Planet. Sci. Lett., 256, 567-576 (2007).

507. Caracas, R. and R. E. Cohen, Effect of chemistry on the properties of perovskite and post-perovskite, in Post-Perovskite: The Last Mantle Phase Transition (ed. K. Hirose), 115-128 (American Geophysical Union, Washington, DC, 2007).

506. Angel, R., M. Bijak, J. Zhao, G. D. Gatta, and S. D. Jacobsen, Static and ultrasonic observations on th effective hydrostatic limits of pressure media for high-pressure studies, J. Appl. Cryst., 40, 26-32 (2007).

505. Ciezak, J. A., T. A. Jenkins, and Z. Liu, Evidence for a high-pressure phase transition of ε -2,4,6,8,10,12 hexanitrohexaazaisowurtzitane (CL20) using vibrational spectroscopy, Propellants Explos. Pyrotech., 32, 472-477 (2007).

504. Chaudhuri, J., L. Nyakiti, R. Lee, Y. Ma, P. Li, Q. L. Cui, and L. H. Shen, Molybdenum nitride nanoparticles — high-resolution transmission electron microscopy study, Materials Lett., 61, 4763-4765 (2007).

503. Bhat, M. H., V. Molinero, E. Soignard, V. C. Solomon, J. L. Yarger, and C. A. Angell, Vitrification of a monatomic metallic liquid, Nature, 448, 787-791 (2007).

502. Chellappa, R., D. Chandra, M. Somayazulu, S. A. Gramsch, and R. J. Hemley, Pressure induced phase transformation in LiNH₂, J. Phys. Chem. B, 111, 10785-10789 (2007).

501. Chen, X. J., V. V. Struzhkin, A. F. Goncharov, R. J. Hemley, and H. K. Mao, Oxygen isotope effect in a high-temperature superconductor under high pressure, J. Phys.: Cond. Matt., 19, 425236 (2007).

500. Hamlin, J. J., S. Deemyad, J. S. Schilling, M. K. Jacobsen, R. S. Kumar, A. L. Cornelius, G. Cao, and J. J. Neumeier, ac susceptibility studies of the weak itinerant ferromagnet SrRu0₃ under high pressure to 34 GPa, Phys. Rev. B, 76, 014432 (2007).

499. Barton, N. and H. R. Wenk, Dauphine twinning in polycrystalline quartz, Modeling Simul. Mater. Sci. Eng., 15, 369-384 (2007).

498. Larson, B. C., A. El-Azab, W. Yang, J. Z. Tischler, W. Liu, and G. E. Ice, Experimental characterization of the mesoscale dislocation density tensor, Phil. Mag., 87, 11-21 (2007).

497. Chen, X. J., B. Liang, Z. Wu, C. Ulrich, C. T. Lin, V. V. Struzhkin, R. J. Hemley, H. K. Mao, and H. Q. Lin, Oxygen isotope effect in Bi₂Sr₂Ca_n-1Cu_nO_2n+4+ (n=1, 2, 3) Single Crystal, Phys. Rev. B, 76, 140502 (2007).

496. Chen, X. J., V. V. Struzhkin, Z. G. Wu, R. J. Hemley, H. K. Mao, and H. Q. Lin, Phonon-mediated superconducting transitions in layered cuprate superconductors, Phys. Rev. B, 75, 734504 (2007).

495. Fei, Y., L. Zhang, A. Corgne, H. Watson, A. Ricolleau, Y. Meng, and V. Prakapenka, Spin transition and equation of state of (Mg,Fe)O solid solutions, Geophys. Res. Lett., 34, 17307 (2007).

494. Chesnut, G. N., N. Velisavljevic, and L. Sanchez, Static high pressure x-ray diffraction of Ti-6Al-4V, in Shock Compression of Condensed Matter - 2007 (eds. M. D. Furnish, Elert, M. L., Russell, T. P. and White, C. T.), (AIP, New York, 2007).

493. Evans, W. J., C. S. Yoo, G. W. Lee, H. Cynn, M. J. Lipp, and K. Visbeck, Dynamic diamond anvil cell (dDAC): A novel device for studying the dynamic-pressure properties of materials, Rev. Sci. Instrum., 78, 073904 (2007).

492. Duffy, T. S., Strength of materials under static loading in the diamond anvil cell, in Shock Compression of Condensed Matter - 2007 (eds. M. D. Furnish, Elert, M. L., Russell, T. P. and White, C. T.), (AIP, New York, 2007).

491. 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 antiferromangent, Phys. Rev. Lett., 99, 137201 (2007).

490. Goncharov, A. F. and J. C. Crowhurst, Proton delocalization under extreme conditions of high pressure and temperatures, Phase Trans., 80, 1051-1072 (2007).

489. Goncharov, A. F., S. V. Sinogeiken, J. C. Crowhurst, M. Ahart, D. L. Lakshtanov, V. Prakapenka, J. D. Bass, P. Beck, S. N. Tkachev, J. M. Zaug, and Y. Fei, Cubic boron nitride as a primary calibrant for a high temperature pressure scale, High Press. Res., 27, 409-417 (2007).

488. Lin, J. F., S. D. Jacobsen, and R. M. Wentzcovitch, Electronic spin transition of iron in the Earth's deep mantle, Eos, 88, 13-24 (2007).

487. Han, W. Q., W. Wen, D. Yi, Z. Liu, M. M. Maye, L. Lewis, J. Hanson, and O. Gang, Fe-doped trititanate nanotubes: Formation, optical and magnetic properties, and catalytic applications, J. Phys. Chem. C, 111, 14339-14342 (2007).

486. Hong, X., G. Shen, V. B. Prakapenka, M. L. Rivers, and S. Sutton, Density measurements of noncrystalline materials at high pressure with diamond anvil cell, Rev. Sci. Instrum., 78, 103905 (2007).

485. Kim, E., R. S. Kumar, P. F. Weck, A. L. Cornelius, M. Nicol, S. C. Vogel, J. Zhang, M. Hartl, A. C. Stowe, L. L. Daemen, and Y. Zhao, Pressure-driven phase transitions in NaBh₄: Theory and experiments, J. Phys. Chem. B, 111, 13873-13876 (2007).

484. Errandonea, D., Landau theory applied to phase transitions in calcium orthotungstate and isostructural compounds, Euro. Phys. Lett., 77, 56001 (2007).

483. Kunz, M. C., W. A., L. Miyagi, and H. R. Wenk, In situ laser heating and radial synchrotron diffraction in a diamond anvil cell, Rev. Sci. Instrum., 78, 063907 (2007).

482. Lakshtanov, D. L., S. V. Sinogeiken, K. D. Litasov, V. B. Prakapenka, H. Hellwig, J. Wang, C. Sanchez-Valle, J. P. Perrillat, B. Chen, M. Somayazulu, J. Li, E. Ohtani, and J. D. Bass, The post-stishovite phase transition in hydrous alumina-bearing SiO₂ in the Earth's lower mantle, Proc. Nat. Acad. Sci., 104, 13588-13590 (2007).

481. 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 heating technique, Appl. Phys. Lett., 91, 181914 (2007).

480. Li, J., Electronic transitions and spin states in perovskite and post-perovskite, in The Last Phase Transition (eds. J. P. Brodholt, Lay, T., Yuen, D. A. and Hirose, K.), (American Geophysical Union, 2007).

479. Kumar, R. S., A. L. Cornelius, M. Somayazulu, D. Errandonea, M. F. Nicol, and J. S. Gardner, High pressure structure of Tb₂Ti₂O₇ pyrochlore at cryogenic temperatures, Phys. Stat. Sol. (b), 244, 266-269 (2007).

478. 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 boron nitride. Implications for a high-temperature pressure scale, Phys. Rev. B, 75, 224114 (2007).

477. Lipp, M. J., J. H. P. Klepeis, B. Baer, H. Cynn, W. J. Evans, V. Iota, and C. S. Yoo, Transformation of molecular nitrogen to nonmolecular phases at megabar pressures by direct laser heating, Phys. Rev. B, 76, 014113 (2007).

476. Kumar, R. S., E. Kim, O. Tschauner, A. L. Cornelius, M. P. Sulic, and C. M. Jensen, Pressure-induced structural phase transition in NaAlH₄, Phys. Rev. B, 75, 174110 (2007).

475. Luo, W., R. Ahuja, Y. Ding, and H. K. Mao, Unusual lattice dynamics of vanadium under high pressure, Proc. Nat. Acad. Sci., 104, 16428-16431 (2007).

474. Majon, F. J., D. Errandonea, J. Lopez-Solano, P. Rodriguez-Hernandez, S. Radescu, A. Mujica, A. Munoz, N. Garro, J. Pellicer-Poers, A. Segura, C. Ferrer-Roca, R. S. Kumar, O. Tschauner, and G. Aquilanti, Crystal stability and pressure-induced phase transitions in scheelite AWO4 (A=Ca, Sr, Ba, Pb, Eu) binary oxides. II: Towards a systematic understanding, Phys. Stat. Sol. (b), 244, 295-302 (2007).

473. Cunningham, N., W. Qiu, K. M. Hope, H. P. Liermann, and Y. K. Vohra, Symmetry lowering under high pressure: structural evidence for f-shell delocalization in heavy rare Earth metal terbium, Phys. Rev. Lett., 76, 212101 (2007).

472. Lin, J. F., V. V. Struzhkin, A. G. Gavriliuk, and I. S. Lyubutin, Comment on "Spin crossover in (Mg,Fe)O: A Mossbauer effect study with an alternative interpretation of x-ray emission spectroscopy data, Phys. Rev. B, 75, 177102 (2007).

471. Mei, Q., R. T. Hart, C. J. Benmore, S. Amin, K. Leinenweber, and J. L. Yarger, The structure of densified As₂O₃ glasses, J. Non-Crystalline Solids, 353, 1755-1758 (2007).

470. Pravica, M. G., Z. Quine, E. Romano, S. Bajar, B. Yulga, W. Yang, and D. Hooks, Anisotropic decomposition of energetic materials, in Shock Compression of Condensed Matter - 2007 (eds. M. L. Elert, Furnish, M. D., Chau, R., Holmes, N. and Nguyen, J.), (AIP, New York, 2007).

469. Shim, S. H., A. Kubo, and T. S. Duffy, Raman spectroscopy of perovskite and post-perovskite phases of MgGeO₃ to 123 GPa, Earth Planet. Sci. Lett., 260, 130-178 (2007).

468. Honnell, K. G., N. Velisavljevic, C. D. Adams, P. A. Rigg, G. N. Chesnut, R. M. Aikin Jr., and J. C. Boettger, Equation of state for Ti-beta-21S, in Shock Compressions of Condensed Matter - 2007 (eds. M. L. Elert, Furnish, M. D., Chau, R., Holmes, N. and Nguyen, J.), 55-58 (AIP, New York, 2007).

467. Velisavljevic, N. and G. N. Chesnut, Direct hcp --> bcc structural phase transition observed in titanium alloy at high pressure, Appl. Phys. Lett., 91, 101906 (2007).

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

465. Tseng, Y. C., D. Haskel, J. C. Lang, S. V. Sinogeiken, Y. Mudryk, V. K. Pecharsky, and K. A. Gschneider Jr., Effect of hydrostatic pressure upon the magnetic transition in the Gd5(SixGe1-x)4 giant magnetocaloric compounds: X-ray magnetic circular dichroism study, Phys. Rev. B, 76, 014411 (2007).

464. Li, J. and Y. Fei, Experimental constraints on core composition, in Treatise on Geochemistry, Vol. 2: The Mantle and Core (ed. R. W. Carlson), 2, 1-31 (Elsevier Science, 2007).

463. Speziale, S., V. E. Lee, S. M. Clark, J. F. Lin, M. P. Pasternak, and R. Jeanloz, Effects of Fe spin transition on the elasticity of (Mg,Fe)O magnesiowustites and implications for theseismological properties of the Earth's lower mantle, J. Geophys. Res., 112, B10212 (2007).

462. Vaitheeswaran, G., V. Kanchana, R. S. Kumar, A. L. Cornelius, M. F. Nicol, A. Svane, A. Delin, and B. Johannson, High-pressure structural, elastic, and electronic properties of the scintillator host material KMgF₃, Phys. Rev. B, 76, 014107 (2007).

461. Wang, Z., Y. Pang, and D. D. Dlott, Hydrogen-bond disruption by vibrational excitations in water, J. Phys. Chem. A, 111, 3196-3208 (2007).

460. Mao, H. K. and W. L. Mao, Diamond-anvil cells and probes for high P-T mineral physics studies, in Treatise on Geophysics ( ed. G. D. Price), 2, 231-268 (Elsevier, Amsterdam, 2007).

459. Wenk, H. R., I. Huensche, and L. Kestens, In-situ observation of texture changes during the bcc-fcc phase transformation in ultralow carbon steel, Metall. Trans., 38A, 261-267 (2007).

458. Yoshimura, Y., H. K. Mao, and R. J. Hemley, In situ Raman spectroscopic study on the reversible transition between low-density and high-density amorphous ices at 135 K, J. Phys.: Cond. Matt., 19, 425214 (2007).

457. Zeng, Q., Y. C. Li, C. M. Feng, H. P. Liermann, M. Somayazulu, G. Y. Shen, and H. K. Mao, Anomalous compression behavior in lanthanum/cerium-based metallic glass under high pressure, Proc. Nat. Acad. Sci., 34, 13565-13568 (2007).

456. Giefers, H., E. A. Tanis, S. P. Rudin, C. Greeff, X. Ke, C. Chen, M. F. Nicol, M. G. Pravica, W. Pravica, J. Zhao, A. Alatas, M. Lerche, W. Sturhahn, and E. Alp, Phonon density of states of metallic Sn at high pressures, Phys. Rev. Lett., 98, 245502 (2007).

455. Wenk, H. R., M. Bortolotti, N. Barton, E. Oliver, and D. Brown, Dauphine twinning and texture memory in polycrystalline quartz. Part 2: In situ neutron difraction compression experiments, Phys. Chem. Minerals, 34, 599-607 (2007).

454. Lin, J. F., G. Vankó, S. D. Jacobsen, V. Iota, V. V. Struzhkin, V. Prakapenka, A. Kuznetsov, and C. S. Yoo, Spin transition zone in Earth's lower mantle, Science, 317, 1740 (2007).

453. Haskel, D., Y. C. Tseng, J. C. Lang, and S. V. Sinogeiken, Instrument for x-ray magnetic circular dichroism measurements at high pressures, Rev. Sci. Instrum., 78, 083904 (2007).

452. Chen, X. J., V. V. Struzhkin, Z. G. Wu, H. Q. Lin, R. J. Hemley, and H. K. Mao, Unified picture of the oxygen isotope effect in cuprate superconductors, Proc. Nat. Acad. Sci., 104, 3732-3735 (2007).

451. Campbell, A. J., C. T. Seagle, D. L. Heinz, G. Y. Shen and V. Prakapenka, Partial melting in the iron-sulfur system at high pressure: A synchrotron x-ray diffraction study, Phys. Earth Planet. Inter., 162, 119-128 (2007).

450. Wan, J. T. K., T. S. Duffy, S. Scandolo and R. Car, First principles study of density, viscosity, and diffusion coefficients of liquid MgSiO₃ at conditions of the Earth's deep mantle, J. Geophys. Res., 38A, 261-267 (2007).

449. Scott, H. P., Z. Liu, R. J. Hemley and Q. Williams, High pressure infrared spectra of talc and lawsonite, Am. Mineral., 92, 1814-1820 (2007).

448. Santoro, M., E. Gregoryanz, H. K. Mao and R. J. Hemley, Anomalous optical emission in hot dense oxygen, Solid State Comm., 144225-229 (2007).

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

446. Merkel, S., A. K. McNamera, A. Kubo, S. Speziale, L. Miyagi, Y. Meng, T. S. Duffy and H. R. Wenk, Deformation of (Mg,Fe)SiO₃ post- perovskite and D" anisotropy, Science, 316, 1729-1732 (2007).

445. Hemley, R. J., V. V. Struzhkin and R. E. Cohen, Measuring high-pressure electronic and magnetic properties, in Treatise on Geophysics (ed. G. D. Price) 2, 293-337 (Elsevier, Amsterdam, 2007).

444. 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 in compressed SiO₂ glass, Phys. Rev. B, 75, 012201 (2007).

443. Degtyareva, O., M. Martinez Canales, A. Bergara, X. J. Chen, V. V. Struzhkin, H. K. Mao and R. J. Hemley, Crystal structure of SiH₄ at high pressure, Phys. Rev. B, 76, 064123 (2007).

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

441. Gregoryanz, E., A. F. Goncharov, C. Sanloup, M. Somayazulu, H. K. Mao and R. J. Hemley, High P-T behavior of nitrogen to 170 GPa, J. Chem. Phys., 126, 184505 (2007).

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

439. Yoshimura, Y., S. T. Stewart-Mukhopadhyay, H. K. Mao and R. J. Hemley, In situ Raman spectroscopy of low P-T transformations of H₂O, J. Chem. Phys., 126, 174505 (2007).

438. Ma, Y., Q. Cui and H. Shen, X-ray diffraction study of nanocrystalline tungsten nitride and tungsten to 31 GPa, J. Appl. Phys., 102, 013525 (2007).

437. Shen, G., H. P. Liermann, S. V. Sinogeiken, W. Yang, X. Hong, C. S. Yoo and H. Cynn, Distinct thermal behavior of GeO₂ glass in tetrahedral, octahedral and their intermediate forms, Nature, 104, 14576-14579 (2007).

436. Liermann, H. P., A. K. Singh, M. Somayazulu and S. K. Saxena, Compression behavior of NbC under nonhydrostatic conditions to 57 GPa, J. Ref. Met. Hard Mat., 25 386-391 (2007).

435. Singh, A. K., H. P. Liermann, Y. Akahama and M. Nishimura, Aluminum as a pressure-transmitting medium cum pressure standard for x-ray diffraction experiments to 200 GPa with diamond anvil cells, J. Appl. Phys., 101 123526 (2007).

434. Pravica, M. G., Y. Shen, Z. Quine, E. Romano, and D. Hartnett, High-pressure studies of cyclohexane to 40 GPa, J. Phys. Chem. B, 111, 4103-4108 (2007).

433. 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 single crystal diamond, Laser Phys. Lett., 4, 350-353 (2007).

432. Lopez-Solano, J., P. Rodriguez-Hernandez, S. Radescu, A. Mujica, A. Munoz, D. Errandonea, and F. J. Majon, Crystal stability and pressure-induced phase transitions in scheelite AWO₄ (A = Ca, Sr, Ba, Pb, Eu) binary oxides. I: A review of recent ab initio calculations, ADXRD, XANES, and Raman studies, Phys. Stat. Sol. B, 244., 325-330 (2007).

431. Fei, Y., A. Ricolleau, M. Frank, K. Mibe, G. Shen, and V. Prakapenka, Toward an internally consistent pressure scale, Proc. Nat. Acad. Sci., 104, 9182-9186 (2007).

430. Jeanloz, R., P. M. Celliers, G. W. Collins, J. H. Eggert, K. K. M. Lee, R. S. McWilliams, S. Brygoo, and P. Loubeyre, Achieving high-density states through shock-wave loading of precompressed samples, Proc. Nat. Acad. Sci., 104, 9172-9177 (2007).

429. Mao, H. K. and R. J. Hemley, The high-pressure dimension in earth and planetary science, Proc. Nat. Acad. Sci., 104, 9114-9115 (2007).

428. 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 fulerenes and multi-walled carbon nanotubes under pressure, Diamond Relat. Mater., 16, 1250-1253 (2007).

427. 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 TiH₂ addition probed by x-ray Raman scattering, Diamond Relat. Mater., 16, 1136-1139 (2007).

426. Vorberger, J., I. Tamblyn, B. Militzer and S. A. Bonev, Hydrogen-helium mixtures in the interiors of giant planets, Phys. Rev. B, 75, 024206 (2007).

425. Ahart, M., A. Asthagiri, Z. G. Ye, P. Dera, H. K. Mao, R. E. Cohen and R. J. Hemley, Brillouin scattering study of Pb(Mg_1/3Nb_2/3)O₃, Phys.  Rev. B, 75, 144410 (2007).

424. 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).

423. Kumar, R. S., A. L. Cornelius and M. Nicol, Structure of nanocrystalline ZnO up to 85 GPa, Curr. Appl. Phys., 7, 135-138 (2007).

422. Kumar, R. S., A. L. Cornelius and M. F. Nicol, Equation of state of nanocrystalline BaTiO₃ up to 52 GPa at room temperature, Phys. Stat. Sol., 244, 290-294 (2007).

421. Shen, Y. R., R. S. Kumar, A. L. Cornelius and M. F. Nicol, High-pressure structural studies of dysprosium using angle-dispersive x-ray diffraction, Phys. Rev. B, 57, 064109 (2007).

420. Murakami, M., S. V. Sinogeiken, H. Hellwig, J. D. Bass and J. Li, Sound velocity of MgSiO₃ perovskite to Mbar pressure, Earth Planet. Sci. Lett., 256, 47-54 (2007).

419. Lee, S. K., P. J. Eng, H. K. Mao, Y. Meng and J. Shu, Structure of alkali borate glasses at high pressure: B and Li K-edge inelastic x-ray scattering study, Phys. Rev. Lett., 98, 105502 (2007).

418. Crowhurst, J. C., A. F. Goncharov, B. Sadigh, J. M. Zaug, Y. Meng and V. Prakapenka, Synthesis and characterization of nitrides of iridium and palladium, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

417. Goncharov, A. F., C. Sanloup, N. Goldman, J. C. Crowhurst, L. E. Fried, N. Guignot, M. Mezouar and R. L. Meng, Probing of structure factor of water to 57 GPa and 1500 K, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

416. Somayazulu, M., S. A. Gramsch, H. K. Mao and R. J. Hemley, High pressure-high temperature reactions in xenon-chlorine system, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

415. Chellappa, R. S., D. Chandra, S. A. Gramsch, M. Somayazulu and R. J. Hemley, Pressure-induced phase transformations in Li-based complex hydrides, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

414. Gavriliuk, A. G., V. V. Struzhkin, I. S. Lyubutin, I. A. Trojan, M. Y. Hu and P. Chow, Phase transition in multiferroic BiFeO₃, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

413. Struzhkin, V. V., M. I. Eremets, I. M. Eremets, J. F. Lin, W. Sturhahn, J. Zhao and M. Y. Hu, Synchrotron mossbauer spectroscopy and resistivity studies of iron oxide under high pressure, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

412. Lyubutin, I. S., A. G. Gavriliuk and V. V. Struzhkin, Magnetic collapse and insulator-metal transitions in some 3D metal oxides under high pressure, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

411. Shu, J., W. L. Mao, R. J. Hemley and H. K. Mao, Pressure-induced distortive phase transition in chromite-spinel at 29 GPa, in Materials Research at High Pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

410. Sha, X. and R. E. Cohen, Lattice dynamics and thermodynamics of bcc vanadium at high pressures, in Materials Research at High pressure (eds. M. R. Manaa, Goncharov, A. F., Hemley, R. J. and Bini, R.) (Materials Research Society, Warrendale, Pennsylvania, 2007).

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

408. Zhao, Y., H. Xu, L. L. Daemen, K. A. Lokshin, K. T. Tait, W. L. Mao, J. Luo, R. P. Currier, and D. D. Hickmott, High-P/low-T neutron scattering of hydrogen inclusion compounds - progress and prospects, Proc. Nat. Acad. Sci., 104, 5727-5731 (2007).

407. Scott, H. P., S. Huggins, M. R. Frank, S. J. Maglio, C. D. Martin, Y. Meng, J. Santillan and Q. Williams, Equation of state and high-pressure stability of Fe₃P-Schreibersite: Implications for phosphorus storage in planetary cores, Geophys. Res. Lett., 34, L06302 (2007).

406. Mao, Z., F. Jiang and T. Duffy, Single-crystal elasticity of zoisite, Ca₂Al₃Si₃O12(OH), by Brillouin scattering, Am. Mineral., 92, 570-576 (2007).

405. Cumalioglu, I., Y. Ma, A. Ertas and T. T. Maxwell, High pressure hydrogen storage tank: A parametric design study, ASMA Journal of Pressure Vessel Technology, 129, 216 (2007).

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

403. Degtyareva, O., E. R. Hernandez, J. Serrano, M. Somayazulu, H. K. Mao, E. Gregoryanz and R. J. Hemley, Vibrational dynamics and stability of the high-pressure chain and ring phases in S and Se, J. Chem. Phys., 126, 084503 (2007).

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

401. Ding, Y., R. Ahuja, J. Shu, P. Chow, W. Luo and H. K. Mao, Structural phase transition of vanadium at 69 CPa, Phys. Rev. Lett., 98, 085502 (2007).

400. Sheng, H. W., H. Z. Liu, Y. Q. Cheng, J. Wen, P. L. Lee, W. K. Luo, S. D. Shastri and E. Ma, Polymorphism in a metallic glass, Nature Mater., 6, 192-197 (2007).

399. Surber, E., A. Lozano, A. Lagutchev, H. Kim and D. D. Dlott, Surface vibrational spectroscopy of energetic materials: HMX, J. Phys. Chem. C, 111, 2235-2241 (2007).

398. Ciezak, J. A., T. A. Jenkins, Z. Liu and R. J. Hemley, High-pressure vibrational spectroscopy of energetic materials: Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), J. Chem. Phys., 111, 59-63 (2007).

397. Degtyareva, O., V. V. Struzhkin and R. J. Hemley, High-pressure Raman spectroscopy of antimony: As-type, incommensurate host-guest, and bcc phases, Solid State Comm., 141, 164-167 (2007).