647. Gavriliuk, A. G., V. V. Struzhkin, I. S. Lyubutin, S. G. Ovchinnikov, M. Y. Hu, and P. Chow, Another mechanism for the insulator-metal transition observed in Mott insulators, Phys. Rev. B 77, 155112 (2008).

646. Giefers, H. and M. Pravica, Radiation-induced decomposition of PETN and TATB under extreme conditions, J. Phys. Chem. A 112, 3352-3359 (2008).

645. Lazicki, A., C. W. Yoo, W. J. Evans, M. Y. Hu, P. Chow, and W. E. Pickett, Pressure-induced loss of electronic interlayer state and metallization in the ionic solid Li₃N: Experiment and theory, Phys. Rev. B 78, 155133 (2008).

644. Lee, S. K., P. J. Eng, H. K. Mao, and J. Shu, Probing and modeling of pressure-induced coordination transformation in borate glasses: Inelastic x-ray scattering study at high pressure, Phys. Rev. B 78, 214203 (2008).

643. Liu, L., X. D. LI, J. Liu, S. Jiang, Y. C. Li, G. Shen, H. K. Mao, Y. Bi, and J. Xu, High pressure structural and elastic properties of NiO up to 67 GPa, J. Appl. Phys. 104, 113521 (2008).

642. Pietryga, J. M., K. K. Zhuravlev, M. Whitehead, V. I. Klimov, and R. D. Schaller, Evidence for barrierless auger recombination in PbSe nanocrystals: A pressure-dependent study of transient optical absorption, Phys. Rev. Lett. 101, 217401 (2008).

641. Ponsov, Y. S., V. V. Struzhkin, S. V. Streltsov, and A. F. Goncharov, Q-dependent electronic excitations in osmium: pressure- and temperature-induced effects, Phys. Rev. B 78, 245106 (2008).

640. Speziale, S., H. J. Reichmann, F. Schilling, H. R. Wenk, and P. J. M. Monteiro, Determination of the elastic constants of portlandite by Brillouin spectroscopy, Cement Concrete Res. 9, 1148-1153 (2008).

639. Tkachev, S. N., M. Pravica, E. Kim, E. Romano, and P. F. Weck, High-pressure studies of 1,3,5,7-cyclooctatetraene: Experiment and theory, J. Phys. Chem. A 112, 11501-11507 (2008).

638. Yang, L. X., Y. W. Long, C. Q. Jin, R. C. Yu, J. S. Zhou, J. B. Goodenough, H. Liu, G. Shen, and H. K. Mao, Pressure induced metallization in ACrO₃ in perovskite compounds, J. Phys.: Cond. Matt. 121, 022017 (2008).

637. Zinin, P. V., L. C. Ming, S. K. Sharma, S. M. Hong, Y. Xie, T. Irifune, and T. Shinmei, Synthesis of new cubic C₃N₄ and diamond-like BC₃ phases under high pressure and high temperature, J. Phys.: Conf. Series 121, 062002 (2008).

636. Goncharov, A. F., B. Haugen, V. V. Struzhkin, P. Beck, and S. D. Jacobsen, Radiative conductivity and oxidation state of iron in the Earth's lower mantle, Nature, 456, 231-234 (2008).

635. Mao, W. L., V. V. Struzhkin, A. Q. R. Baron, S. Tsutsui, C. E. Tommaseo, H. R. Wenk, M. Y. Hu, P. Chow, W. Sturhahn, J. Shu, R. J. Hemley, D. L. Heinz, and H. K. Mao, Experimental determination of the elasticity of iron at high pressure, J. Geophys. Res., 113, B09213 (2008).

634. Duffy, T. S., Some recent advances in understanding the mineralogy of the Earth's deep mantle, Phil. Trans. Royal Soc. London A, 336, 4273-4293 (2008).

633. Miyagi, L., M. Kunz, J. Nasiatka, M. Voltoni, J. Knight, and H. R. Wenk, In-situ texture development in polycrystalline iron at simultaneous high pressure and temperature, J. Appl. Phys., 104, 103510 (2008).

632. Meng, Y. F., C. S. Yan, J. Lai, S. Krasnicki, H. Shu, Q. Liang, H. K. Mao, and R. J. Hemley, Enhanced optical properties of chemical vapor deposited single crystal diamond by low-pressure/high-temperature annealing, Proc. Nat. Acad. Sci., 105, 17620-17625 (2008).

631. Wenk, H. R., Texture changes during phase transformations studied in situ with neutron diffraction, Proc. ICOTOM, 15 (2008).

630. Kubo, A., Y. Wang, C. E. Runge, T. Uchida, B. Kiefer, N. Nishiyama, and T. S. Duffy, Melting curve of silicon to 15 GPa determined by angle-dispersive x-ray diffraction using a Kawai-type apparatus, J. Phys. Chem. Solids, 69, 2225-2260 (2008).

629. Liang, Q., C. S. Yan, Y. Meng, J. Lai, S. Krasnicki, T. Yu, H. Shu, H. K. Mao, and R. J. Hemley, Ultratough single crystal diamonds by MPCVD, Proceedings of Intertech (2008)

628. Jacobsen, S. D., C. M. Holl, K. A. Adams, R. A. Fischer, E. S. Martin, C. R. Bina, J. F. Lin, V. B. Prakapenka, A. Kubo, and P. Dera, Compression of single-crystal magnesium to 110 GPa, Am. Mineral., 93, 1823-1828 (2008).

627. Mao, Z., S. D. Jacobsen, F. Jiang, J. R. Smyth, C. M. Holl, and T. S. Duffy, Elasticity of hydrous wadsleyite to 12 GPa: Implications for Earth's transition zone, Geophys. Res. Lett., 35, L21305 (2008).

626. Lin, J. F. and T. Tsuchiya, Spin transition of iron in the Earth's lower mantle, Phys. Earth Planet. Inter., 170, 248-259 (2008).

625. Lin, J. F., H. Watson, G. Vankó, E. E. Alp, V. B. Prakapenka, P. Dera, V. V. Struzhkin, A. Kubo, J. Zhao, C. A. McCammon, and W. J. Evans, Intermediate-spin ferrous iron in lowermost manle post-perovskite and perovskite, Nat. Geosci., 1, 688-691 (2008).

624. Arapan, S., H. K. Mao, and R. Ahuja, Prediction of incommensurate crystal structure in Ca at high pressure, Proc. Nat. Acad. Sci., 105, 20627-20630 (2008).

623. Delaire, O., M. S. Lucas, M. Kresch, and B. Fultz, Adiabatic electron-phonon interaction and high-temperature thermodynamics of A15 compounds, Phys. Rev. Lett., 101, 105504 (2008).

622. Gao, P., T. A. Tyson, Z. Liu, M. A. DeLeon, and C. Dubourdieu, Optical evidence of mixed-phase behavior in manganite films, Phys. Rev. B, 78, 220404 (2008).

621. Ge, M. Y., Y. Z. Fang, H. Wang, W. Chen, Y. He, E. Z. Liu, N. H. Su, K. Stah, Y. P. Feng, J. S. Tse, T. Kikegawa, S. Nakano, Z. L. Zhang, U. Kaiser, F. M. Wu, H. K. Mao, and J. Z. Jiang, Anomalous compressive behavior in CeO₂ nanocubes under high pressure, New J. Phys., 10, 123016 (2008).

620. Liu, D., W. W. Lei, B. Zou, S. D. Yu, J. Hao, K. Wang, B. B. Liu, Q. L. Cui, and G. T. Zou, High-pressure x-ray diffraction and Raman spectra study of indium oxide, J. Appl. Phys., 104, 083506 (2008).

619. Kalita, P. E., A. L. Cornelius, K. E. Lipinska-Kalita, C. L. Gobin and H. P. Liermann, In situ observations of temperature- and pressure-induced phase transitions in TiH₂: Angle-dispersive and synchrotron energy-dispersive X-ray diffraction studies, J. Phys. Chem. Solids, 69, 2240-2244 (2008).

618. Scott, H. P., B. Kiefer, C. D. Martin, N. Boateng, M. R. Frank, and Y. Meng, P-V equation of state for Fe₂P and pressure-induced phase transition in Fe₃P, High Press. Res., 28, 375-384 (2008).

617. Lin, Y., W. L. Mao, V. Drozd, J. Chen, and L. L. Daemen, Raman spectroscopy study of ammonia borane at high pressure, J. Chem. Phys., 129, 234509 (2008).

616. Sanches-Valle, C., S. V. Sinogeikin, J. R. Smyth, and J. D. Bass, Sound velocities and elasticity of DHMS phase A to high pressure and implications for seismic velocities and anisotropy in subducted slabs, Phys. Earth Planet. Inter., 170, 229-239 (2008).

615. Murakami, M., S. V. Sinogeikin, K. D. Litasov, E. Ohtani, and J. D. Bass, Single-crystal elasticity of iron-bearing majorite to 26 GPa: Implications for seismic velocity structure of the mantle transition zone, Earth Planet. Sci. Lett., 274, 339-345 (2008).

614. Chen, B., L. Gao, K. Leinenweber, Y. Wang, T. Sanehira, and J. Li, In situ investigation of high-pressure melting behavior in the Fe-S system using synchrotron x-ray radiography, High Press. Res., 28, 315-326 (2008).

613. Yamanaka, T., Electron-lattice interaction under high-pressure examined by maximum entropy method using single-crystal diffraction, High Press. Res., 28, 203-216 (2008).

612. Zhang, L. and Y. Fei, Effect of Ni on Fe-FeS phase relations at high pressure and high temperature, Earth Planet. Sci. Lett., 268, 212-218 (2008).

611. Zhang, L. and Y. Fei, Melting behaviour of (Mg,Fe)O solid solutions at high pressure, Geophys. Res. Lett., 35, L13302 (2008).

610. Zhang, L., Z. Gong, and Y. Fei, Shock-induced phase transitions in the MgO-FeO system to 200 GPa, J. Phys. Chem. Solids, 69, 2344-2348 (2008).

609. Yoshimura, Y., H. K. Mao, and R. J. Hemley, In-situ Raman study of the pressure-induced bulk melting of hexagonal ice, J. Phys.: Conf. Series, 121, 042004 (2008).

608. Yang, W., G. Shen, Y. Wang, and H. K. Mao, A scanning angle energy-dispersive x-ray diffraction technique for high-pressure structure studies in diamond anvil cells, High Press. Res., 28, 193-201 (2008).

607. Wang, Z., Y. Zhao, C. S. Zha, Q. Xiue, R. T. Downs, R. G. Duan, R. Caracas, and R. J. Hemley, X-ray induced synthesis of 8H diamond, Advanced Materials, 20, 3303-3307 (2008).

606. Watson, H., E. B. Watson, and Y. Fei, Diffusion of Au, Pd, Re, and P in FeNi alloys at high pressure, Geochim. Cosmochim. Acta, 72, 3550-3561 (2008).

605. Wang, Y., J. Zhang, J. L. Coffer, Z. Lin, J. Wu, S. V. Sinogeiken, W. Yang, and Y. Zhao, Phase transition and compressibility in silicon nanowires, Nano Lett., 8, 2891-2895 (2008).

604. Soyer Uzun, S., S. J. Gaudio, S. Sen, Q. Mei, C. J. Benmore, C. A. Tulk, J. Xu, and B. G. Aitken, In situ high-pressure x-ray diffraction study of densification of a molecular chalcogenide glass, J. Phys. Chem. Solids, 69, 2336-2340 (2008).

603. Speziale, S., F. Jiang, Z. Mao, P. J. M. Monteiro, H. R. Wenk, T. S. Duffy, and J. S. Schilling, Single-crystal elastic constants of natural ettringite, Cement Concrete Res., 38, 885-889 (2008).

602. Stevens, L. L., N. Velisavljevic, D. E. Hooks, and D. M. Dattelbaum, The high-pressure phase behavior and compressibility of 2,4,6-trinitrotoluene, Appl. Phys. Lett., 93, 081912 (2008).

601. Soignard, E., S. A. Amin, Q. Mei, C. J. Benmore, and J. L. Yarger, High-pressure behavior of As₂O₃: Amorphous-amorphous and crystal-amorphous transitions, Phys. Rev. B, 77, 144113 (2008).

600. Shim, S. H., The postperovskite transition, Annu. Rev. Earth Planet. Sci., 36, 569-599 (2008).

599. Shen, G., P. Chow, Y. Xiao, S. Sinogeikin, Y. Meng, W. Yang, H. P. Liermann, O. Shebanova, E. Rod, A. Bommannavar, and H. K. Mao, HPCAT: an integrated high-pressure synchrotron facility at the Advanced Photon Source, High Press. Res., 28, 145-162 (2008).

598. Selvi, E., R. Aksoy, R. Knudson, and Y. Ma, High-pressure x-ray diffraction study of tungsten diselenide, J. Phys. Chem. Solids, 69, 2311-2314 (2008).

597. Reichmann, H. J., S. V. Sinogeikin, and J. D. Bass, Single-crystal elastic properties of (Mg_0.987,Fe_0.013)O to 9 GPa, Am. Mineral., 93, 1306-1311 (2008).

596. Sampath, S., A. I. Kolesnikov, K. M. Lantzky, and J. L. Yarger, Vibrational dynamics of amorphous beryllium hydride and lithium beryllium hydrides, J. Chem. Phys., 128, 134512 (2008).

595. Sanchez-Valle, C., Z. A. D. Lethbridge, S. V. Sinogeikin, J. J. Williams, R. I. Walton, K. E. Evans, and J. D. Bass, Negative Poisson’s ratios in siliceous zeolite MFI-silicalite, J. Chem. Phys., 128, 184503 (2008).

594. Raitses, Y., C. H. Skinner, F. Jiang, and T. S. Duffy, Raman spectroscopy of carbon dust samples from NSTX, J. Nuclear Mat., 375, 365-369 (2008).

593. Ponsov, Y. S., V. V. Struzhkin, S. V. Streltsov, and A. F. Goncharov, Pressure-induced effect on electronic excititions in osmium, J. Phys.: Conf. Series, 121, 042001 (2008).

592. Phatak, N. A., S. K. Saxena, L. Deng, Y. Fei, J. Hu, W. Luo, and R. Ahuja, Synthesis and compressive behavior of Cr₂GeC up to 48 GPa, J. Alloys Compounds, 463, 220-225 (2008).

591. Nellis, W. J. and D. D. Dlott, Town hall meeting: Future directions in dynamic high pressure research, AIP Conf. Proc., 955, 12-15 (2008).

590. Miyagi, L., N. Nishiyama, Y. Wang, A. Kubo, D. V. West, R. J. Cava, T. Duffy, and H. R. Wenk, Deformation of the CaIrO₃ post-perovskite phase to 5 GPa and 1300 K, Earth Planet. Sci. Lett., 268, 515-525 (2008).

589. Meng, Y., P. J. Eng, J. S. Tse, D. M. Shaw, M. Y. Hu, J. Shu, S. A. Gramsch, C. Kao, R. J. Hemley, and H. K. Mao, Inelastic x-ray scattering of dense solid oxygen: evidence for intermolecular bonding, Proc. Nat. Acad. Sci., 105, 11640-11644 (2008).

588. Mao, Z., S. D. Jacobsen, F. Jiang, J. R. Smyth, C. Holl, D. J. Frost, and T. Duffy, Single-crystal elasticity of wadsleyites, b-Mg₂SiO₄, containing 0.37-1.66 wt % H₂O, Earth Planet. Sci. Lett., 266, 78-89 (2008).

587. Lundin, S., K. Catalli, J. Santillan, S. H. Shim, V. Prakapenka, M. Kunz, and Y. Meng, Effect of Fe on the equation of state of mantle silicate perovskite over 1 Mbar, Phys. Earth Planet. Inter., 168, 97-102 (2008).

586. Lucas, M. S., Cluster Expansion Applied to Inelastic Scattering Experiments, Ph.D. Thesis, California Institute of Technology, (2008).

585. Liu, H., L. Wang, X. Xiao, F. De Carlo, J. Feng, H. K. Mao, and R. J. Hemley, Anomalous pressure-induced behavior of amorphous selenium from synchrotron x-ray diffraction and microtomography, Proc. Nat. Acad. Sci., ,105, 13229-13234 (2008).

584. Litasov, K. D., Y. Fei, E. Ohtani, T. Kuribayashi, and K. Funakoshi, Thermal equation of state of magnesite to 32 GPa and 2073 K, Phys. Earth Planet. Inter., 168, 191-203 (2008).

583. Lipp, M. J., D. Jackson, H. Cynn, C. Aracne, C. L. Evans, and A. K. McMahan, Thermal signatures of the Kondo volume collapse in cerium, Phys. Rev. Lett., 101, 165703 (2008).

582. Lipinska-Kalita, K., O. A. Hemmers, P. E. Kalita, G. Mariotto, S. A. Gramsch, R. J. Hemley, and T. Hartmann, High-pressure structural integrity and structural transformations of glass-derived nanocomposites: A review, J. Phys. Chem. Solids, 69, 2268-2273 (2008).

581. Lee, K. K. M. and G. Steinle-Neumann, Ab-initio study of the effects of pressure and chemistry on the electron-capture radioactive decay constants of ⁷Be, ²²Na and ⁴⁰K, Earth Planet. Sci. Lett., 267, 628-636 (2008).

580. Kumar, R. S., A. Svane, G. Vaitheeswaran, V. Kanchana, E. D. Bauer, M. Hu, M. F. Nicol, and A. L. Cornelius, Pressure-induced valence change in YbAl₃: A combined high-pressure inelastic x-ray scattering and theoretical investigation, Phys. Rev. B, 78, 057117 (2008).

579. Kumar, R. S., X. Ke, A. L. Cornelius, and C. Chen, Effect of pressure and temperature on structural stability of potential hydrogen storage compound Li₃AlH₆, Chem. Phys. Lett., 460, 442-446 (2008).

578. Kubo, A., B. Kiefer, S. H. Shim, G. Shen, V. B. Prakapenka, R. J. Cava, and T. S. Duffy, Rietveld structure refinements of MgGeO₃ post-perovskite phase to 1 Mbar, Am. Mineral., 93, 965-976 (2008).

577. Kavner, A., Radial diffraction strength and elastic behavior of CaF₂ in low- and high-pressure phases, Phys. Rev. B, 77, 224102 (2008).

576. Jia, L., J. R. Sun, F. W. Wang, T. Y. Zhao, H. W. Zhang, B. G. Shen, D. X. Li, S. Nimori, Y. Ren, and Q. S. Zeng, Volume dependence of the magnetic coupling in LaFe_13−xSi_x based compounds, Appl. Phys. Lett., 92, 101904 (2008).

575. Jacobsen, S. D., F. Jiang, Z. Mao, T. S. Duffy, J. R. Smyth, C. M. Holl, and D. J. Frost, Effects of hydration on the elastic properties of olivine, Geophys. Res. Lett., 35, L14303 (2008).

574. Jacobsen, M. K., R. S. Kumar, G. Cao, J. J. Neumeier, and A. L. Cornelius, High pressure structural studies on SrRuO₃, J. Phys. Chem. Solids, 69, 2237-2239 (2008).

573. Hinrichsen, B., R. E. Dinnebier, H. Liu, and M. Jansen, The high pressure crystal structure of tin sulphate: A case study for maximal information recovery from 2D opowder diffraction data, Z. Kristallogr., 223, 195-203 (2008).

572. Haskel, D., Y. C. Tseng, N. M. Souza-Neto, J. C. Lang, S. Sinogeikin, Y. Mudryk, K. A. Gschneider Jr., and V. K. Pecharsky, Magnetic spectroscopy at high pressures using x-ray magnetic circular dichroism, High Press. Res., 28, 185-192 (2008).

571. Han, W. Q., H. G. Yu, C. Zhi, J. Wang, Z. Liu, T. Sekiguchi, and Y. Bando, Isotope effect on band gap and radiative transitions properties of boron nitride nanotubes, Nano Lett., 8 (2008).

570. Goncharov, A. F., J. C. Crowhurst, V. V. Struzhkin, and R. J. Hemley, Triple point on the melting curve and polymorphism of nitrogen at high pressure, Phys. Rev. Lett., 101, 095502 (2008).

569. Goncharov, A. F., S. D. Jacobsen, V. V. Struzhkin, and P. Beck, Optical properties of minerals in the deep-earth, in McGraw Hill 2008 Yearbook of Science & Technology, 242-245 (McGraw Hill).

568. Goncharov, A. F., P. Beck, V. V. Struzhkin, R. J. Hemley, and J. C. Crowhurst, Laser heating diamond anvil cell studies of simple molecular systems at high pressures and temperatures, J. Phys. Chem. Solids, 69, 2217-2222 (2008).

567. Giefers, H., M. G. Pravica, W. Yang, and H. P. Liermann, Radiation-induced decomposition of explosives under extreme conditions, J. Phys. Chem. Solids, 69, 2208-2212 (2008).

566. Gao, C., Y. Ma, Y. Han, M. Li, and G. Zou, In-situ conductivity measurement of matter under extreme conditions by film fabrication on diamond anvil cell, J. Phys. Chem. Solids, 69, 2199-2203 (2008).

565. Gao, L., B. Chen, Y. Wang, E. E. Alp, J. Zhao, M. Lerche, W. Sturhahn, H. P. Scott, F. Huang, Y. Ding, S. V. Sinogeikin, C. C. Lundstrom, J. D. Bass, and J. Li, Pressure-induced magnetic transition and sound velocities of Fe3C: Implications for carbon in the Earth’s inner core, Geophys. Res. Lett., 35, 17 (2008).

564. Freiman, Y. A., I. N. Goncharenko, N. Tret'yak, A. Grechnev, J. S. Tse, D. Errandonea, H. K. Mao, and R. J. Hemley, Raman scattering and lattice distortion of hcp rare gas solids under pressure, Phys. Rev. B, 78, 041301 (2008).

563. Frank, M. R., H. P. Scott, S. J. Maglio, V. B. Prakapenka, and G. Shen, Temperature induced immiscibility in the NaCl–H₂O system at high pressure, Phys. Earth Planet. Inter., 170, 107-114 (2008).

562. Errandonea, D., R. S. Kumar, F. J. Manjon, V. V. Ursaki, and I. M. Tiginyanu, High-pressure x-ray diffraction study on the structure and phase transitions of the defect-stannite ZnGa2Se4 and defect-chalcopyrite CdGa₂S₄, J. Appl. Phys., 104, 063524 (2008).

561. El Goresy, A., P. Dera, T. Sharp, C. T. Prewitt, M. Chen, L. S. Dubrovinsky, B. Wopenka, N. Boctor, and R. J. Hemley, Seiferite, a dense orthorhombic polymorph of silica from the Martian meteorites Shergotty and Zagami, Eur. J. Mineral.,20, 523-528 (2008).

560. Duffy, T. S., Mineralogy at the extremes, Nature, 451, 269-270 (2008).

559. Deng, L., Z. Gong, and Y. Fei, Direct shock wave loading of MgSiO₃ perovskite to lower mantle conditions and its equation of state, Phys. Earth Planet. Inter. 170, 210-214 (2008).

558. Corgne, A., B. J. Wood, and Y. Fei, C- and S-rich molten alloy immiscibility and core formation of planetesimals, Geochim. Cosmochim. Acta, 72, 2409-2416 (2008).

557. Corgne, A., S. Keshav, B. J. Wood, W. F. McDonough, and Y. Fei, Metal-silicate partitioning and constraints on core composition and oxygen fugacity during Earth accretion, Geochim. Cosmochim. Acta, 72, 574-589 (2008).

556. Chow, P. and B. Friedman, Low-energy nonresonant x-ray scattering of C₆₀, Phys. Rev. B, 77, 073406 (2008).

555. Chen, X. J., J. L. Wang, V. V. Struzhkin, H. K. Mao, R. J. Hemley, and H. Q. Lin, Superconducting behavior in compressed solid SiH₄ with a layered structure, Phys. Rev. Lett., 101, 077002 (2008).

554. Carter, J. A., Z. Wang, A. Lagutchev, Y. Fang, N. H. Seong, D. G. Cahill, and D. D. Dlott, Ultrafast shock wave coherent dissociation and spectroscopy of materials, AIP Conf. Proc., 955, 1221-1224 (2008).

553. Budai, J. D., W. Liu, J. Z. Tischler, Z. W. Pan, D. P. Norton, B. C. Larson, W. Yang, and G. E. Ice, Polychromatic x-ray micro- and nanodiffraction for spatially-resolved structural studies, Thin Solid Films, 516, 8013-8021 (2008).

552. Bass, J. D., S. V. Sinogeiken, and B. Li, Elastic properties of minerals: A key for understanding the composition and temperature of Earth's interior, Elements, 4, 165-170 (2008).

551. Atalas, A., H. Sinn, J. Zhao, A. H. Said, B. M. Leu, W. Sturhahn, E. E. Alp, G. Shen, and V. Prakapenka, Experimental aspects of inelastic x-ray scattering studies on liquids under extreme conditions (P–T), High Press. Res., 28, 175-783 (2008).

550. Amulele, G. M., M. H. Manghnani, S. Marriappan, X. Hong, F. Li, X. Qin, and H. P. Liermann, Compression behavior of WC and WC-6%Co up to 50 GPa determined by synchrotron x-ray diffraction and ultrasonic techniques, J. Appl. Phys., 103, 113552 (2008).

549. Aksoy, R., E. Selvi, and Y. Ma, X-ray diffraction study of molybdenum diselenide to 35.9 GPa, J. Phys.: Condens. Matter, 69, 2138-2140 (2008).

548. Cumalioglu, I., A. Ertas, Y. Ma, and R. S. Maxwell, State of the Art: Hydrogen Storage, Transaction of the ASME: Journal of Fuel Cell Science and Technology, 034001 (2008).

547. Struzhkin, V. V., A. F. Goncharov, R. Caracas, H. K. Mao, and R. J. Hemley, Synchrotron infrared spectroscopy of the pressure induced insulator-metal transitions in glassy As₂S₃ and As₂Se₃, Phys. Rev. B, 77165133 (2008).

546. Cuk, T., V. V. Struzhkin, T. P. Devereaux, and A. F. Goncharov, Uncovering a pressure-tuned electronic transition in Bi_1.98Sr_2.06Y_0.68Cu₂O_8+d using Raman scattering and x-ray diffraction, Phys. Rev. Lett., 100217003 (2008).

545. Zeng, Q., Z. He, X. San, Y. Ma, F. Tian, T. Cui, B. Liu, G. Zou, and H. K. Mao, A new phase of solid iodine with different molecular covalent bonds, Proc. Nat. Acad. Sci., 105, 4999-5001 (2008).

544. Tschauner, O., B. Kiefer, H. Liu, S. V. Sinogeiken, M. Somayazulu, and S. L. Luo, Possible structural polymorphism in Al-bearing magnesiumsilicate post-perovskite, Am. Mineral., 93, 533-539 (2008).

543. Lipinska-Kalita, K. E., P. E. Kalita, O. A. Hemmers, and T. Hartmann, Equation of state of gallium oxide to 70 GPa: Comparison of quasihydrostatic and nonhydrostatic compression, Phys. Rev. B, 77, 094123 (2008).

542. Lipinska-Kalita, K. E., P. E. Kalita, C. L. Gobin, O. A. Hemmers, T. Hartmann, and G. Mariotto, Stability and equation of state of a nanocrystalline Ga-Ge mullite in a vitroceramic composite: A synchrotron x-ray diffraction study, Phys. Rev. B, 77, 134107 (2008).

541. Lee, S. K., J. F. Lin, Y. Q. Cai, N. Hiraoka, P. J. Eng, T. Okuchi, H. K. Mao, Y. Meng, M. Y. Hu, P. Chow, J. Shu, B. Li, H. Fukui, B. H. Lee, H. N. Kim, and C. S. Yoo, X-ray raman scattering study of MgSiO₃ glass at high pressure: Implication for triclustered MgSiO₃ melt in Earth's mantle, Proc. Nat. Acad. Sci., 105, 7925-7929 (2008).

540. Kumar, R. S., E. Kim, and A. L. Cornelius, Structural phase transitions in the potential hydrogen storage compound KBH₄ under compression, J. Phys. Chem. C, 112, 8452-8457 (2008).

539. Dera, P., B. Lavina, L. A. Borkowski, V. B. Prakapenka, S. R. Sutton, M. L. Rivers, R. T. Downs, N. Z. Boctor, and C. Prewitt, High-pressure polymorphism of Fe₂P and its implications for meteorites and Earth's core, Geophys. Res. Lett., 35, L10301 (2008).

538. Cornelius, A. L., R. S. Kumar, M. K. Jacobsen, E. D. Bauer, J. S. Sarrao, and Z. Fisk, Magnetic ordering in UCu₂Si₂ at high pressure, Physica B, 403, 940-942 (2008).

537. Aberg, D., B. Sadigh, J. C. Crowhurst, and A. F. Goncharov, Thermodynamic ground states of platinum metal nitrides, Phys. Rev. Lett., 100, 095501 (2008).

536. Martin, C. D., Y. Meng, V. Prakapenka, and J. B. Parise, Gasketing optimized for large sample volume in the diamond anvil cell: first application to MgGeO₃ and implications for structural systematics of the perovskite to post-perovskite transition, J. Appl. Cryst., 41, 38-43 (2008).

535. Errandonea, D., D. Santamaria-Perez, A. Vegas, J. Nuss, M. Jansen, P. Rodriguez-Hernandez, and A. Munoz, Structural stability of Fe₅Si₃ and Ni₂Si studied by high-pressure x-ray diffraction and ab initio total-energy calculations, Phys. Rev. B, 77, 094113 (2008).

534. Zha, C. S., K. Mibe, W. A. Bassett, O. Tschauner, H. K. Mao, and R. J. Hemley, The P-V-T equation of state of platinum to 80 GPa and 1900 K using new internal resistive heating diamond-anvil cell techniques, J. Appl. Phys., 103, 054908 (2008).

533. Dobrzhinetskaya, L., R. Wirth, and H. W. Green II, A look inside of diamond-forming media in deep subduction zones, Proc. Nat. Acad. Sci., 104, 3128-3132 (2008).

532. Singh, A. K., H. P. Liermann, Y. Akahama, S. K. Saxena, and E. Proupin-Menendez, Strength of polycrystalline coarse-grained platinum to 330 GPa and of nanocrystalline platinum to 70 GPa from high-pressure x-ray diffraction data, J. Appl. Phys., 103, 063524 (2008).

531. Crowhurst, J. C., A. F. Goncharov, B. Sadigh, J. M. Zaug, D. Aberg, Y. Meng, and V. Prakapenka, Synthesis and characterization of nitrides of iridium and palladium, J. Mater. Res., 23, 1-5 (2008).

530. Seagle, C. T., D. L. Heinz, A. J. Campbell, V. Prakapenka, and S. T. Wanless, Melting and thermal expansion in the Fe-FeO system at high pressure, Earth Planet Sci. Lett., 265, 655-665 (2008).

529. Ponsov, Y. S., V. V. Struzhkin, S. V. Strel'tsov, and I. N. Goncharenko, Light scattering effect by electrons in osmium: Effect of pressure, JETP Lett., 86, 398-403 (2008).

528. Kulkarni, S. R., N. A. Phatak, S. K. Saxena, Y. Fei, and J. Hu, High pressure structural behavior and synthesis of Zr₂Sc, J. Phys. Cond.  Matt., 20, 135211 (2008).

527. Errandonea, D., R. S. Kumar, X. Ma, and C. Tu, High-pressure x-ray diffraction study of SrMoO₄ and pressure-induced structural changes, J. Solid State Chem., 181, 355-364 (2008).

526. Somayazulu, M., J. Shu, C. S. Zha, A. F. Goncharov, O. Tschauner, H. K. Mao, and R. J. Hemley, In-situ high-pressure x-ray diffraction study of H₂O ice VII, J. Chem. Phys., 128, 064510 (2008).

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

524. Emmons, E. D., N. Velisavljevic, J. R. Schoonover, and D. M. Dattelbaum, High-pressure Raman spectroscopy and x-ray diffraction studies of a terpolymer of tetraflouroethylene-hexaflouropropylene-vinylidene flouride: THX 500, Appl. Spectr., 62, 142-148 (2008).

523. Ding, Y., D. Haskel, S. G. Ovchinnikov, Y. C. Tseng, Y. Orlov, J. C. Lang, and H. K. Mao, Novel pressure-induced magnetic transition in magnetitie (Fe₃O₄), Phys. Rev. Lett., 100, 045508 (2008).

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

521. Ahart, M., M. Somayazulu, P. Dera, H. K. Mao, R. E. Cohen, R. J. Hemley, R. Yang, H. P. Liermann, and Z. Wu, Origin of morphotropic phase boundaries in ferroelectrics, Nature, 451, 545-548 (2008).