80. 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).

79. Antsygina, T. N., N. Tret'yak, Y. A. Freiman and R. J. Hemley, Orientational ordering in solid hydrogens with J=1 in the presence of a crystal field, Low Temp. Phys, 29, 378-381 (2003).

78. Badro, J., G. Figuet, F. Guyot, J. P. Rueff, V. V. Struzhkin, G. Vankó and G. Monaco, Iron partitioning in Earth's mantle: toward a deep lower-mantle discontinuity, Science, 300, 789-791 (2003).

77. Baker, P. A., Y. K. Vohra, R. S. Peterson and S. T. Weir, Isotopically enriched designer-diamond anvil, Appl. Phys. Lett., 83, 1734 (2003).

76. Catledge, S. A., Y. K. Vohra, S. Woodard and P. Venugopalan, Structural and mechanical properties of nanostructurued metalloceramic coatings on cobalt chrome alloys, Appl. Phys. Lett., 82, 1625 (2003).

75. 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. Nat. Acad. Sci., 100, 14651-14654 (2003).

74. 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).

73. Chen, X. J., H.-U. Habermeier, and C. C. Almasan, Percolative metal-insulator transition in La_0.9Sr_0.1MnO₃ ultrathin films by resistive relaxation, Phys. Rev. B 68, 132407-132401-132404 (2003).

72. Chen, X. J., H. U. Habermeier, C. L. Zhang, H. Zhang, and C. C. Almasan, Spin-wave scattering at low temperatures in manganite films, Phys. Rev. B 67, 134405-134401-134404 (2003).

71. Chen, X. J., C. L. Zhang, C. C. Almasan, J. S. Gardner, and J. L. Sarrao, Variable-range-hopping conductivity of half-doped bilayer manganite LaSr₂Mn₂O₇, Phys. Rev. B 68, 064405-064401-064405 (2003).

70. Chen, X. J., C. L. Zhang, C. C. Almasan, J. S. Gardner, and J. L. Sarrao, Small-polaron hopping conductivity in bilayer manganite La_1.2Sr_1.8Mn₂O₇, Phys. Rev. B 67, 094426-094421-094424 (2003).

69. Chesnut, G. N., B. D. D. Streetman, R. S. Schiferl, W. M. Hixon, M. Nicol, W. Anderson and Y. Meng, Static x-ray diffraction study of cerium: The standard approach and the magic-angle aproach, in Proceedings of the 13th APS Conference on Shock-compression of Condensed Matter (eds. M. D. Furnish, Gupta, Y. M. and Forbes, J. W.) 37-40 (American Institute of Physics, 2003).

68. Cui, C., T. A. Tyson, Z. Zhong, J. P. Carlo and Y. Qin, Effects of pressure on electron transport and atomic structure of manganites: Low to high pressure regimes, Phys. Rev. B, 67, 104107 (2003).

67. Dera, P., C. T. Prewitt, S. Japel, D. L. Bish and C. T. Johnson, Pressure-controlled polytypism in hydrous layered materials, Am. Mineral, 88, 1428-1435 (2003).

66. 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).

65. Errandonea, D., M. Somayazulu, and D. Häusermann, Phase transitions and amorphization of CaWO4 at high pressure, Phys. Stat. Sol., 235, 162-169 (2003).

64. Errandonea, D., M. Somayazulu, D. Häusermann, and H. K. Mau, Melting of tantalum at high pressure determined by angle-dispersive x-ray diffraction in a double-sided, laser-heated diamond anvil cell., J. Phys: Condens. Matter, 15, 7645-7649 (2003).

63. Errandonea, D., A. Segura, F. J. Manjon and A. Chevy, Transport measurements in InSe under high pressure and high temperature: shallow-to-deep donor transformation of Sn-related donor impurities, Semicond. Sci. Tech, 18, 241-246 (2003).

62. Errandonea, D., Y. Meng, D. Häusermann, and T. Uchida, Study of the phase transformation and equation of state magnesium by synchrotron x-ray diffraction, J. Phys.: Cond. Matter, 15, 1277-1289 (2003).

61. Freiman, Y. A., S. M. Tret'yak, M. Sergei, T. N. Antsygina and R. J. Hemley, Novel phase behavior in quantum rotors, J. Low Temp. Phys., 133, 251-260 (2003).

60. Freiman, Y. A., S. M. Tretyak, T. N. Antsygina and R. J. Hemley, Novel phase behavior in quantum rotors, J. Low Temp. Phys., 133, 251-260 (2003).

59. 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).

58. Goncharov, A. F. and V. V. Struzhkin, Pressure dependence of the Raman spectrum, lattice parameters and superconducting critical temperature of MgB₂: evidence for pressure-driven phonon-assisted electronic topological transition, Physica C, 385, 117-130 (2003).

57. Goncharov, A. F. and V. V. Struzhkin, Raman spectroscopy of metals, high-temperature superconductors and related materials under high pressure, J. Raman Spectrosc., 34, 532-548 (2003).

56. Gramsch, S. A., R. E. Cohen and S. Y. Savrasov, Structure, metal-insulator transitions, and magnetic properties of FeO at high pressures, Am. Mineral, 88, 257-261 (2003).

55. 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 (2003).

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

53. 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).

52. 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).

51. Hellwig, H., R. J. Hemley and R. E. Cohen, Micro-Brillouin investigations of relaxor ferroelectrics, Fundamental Physics of Ferroelectrics: AIP Conference Proceedings, 677, 65-73 (2003).

50. Hemley, R. J., X. Liu, E. Gregoryanz and H. K. Mao, Infrared and Raman microspectroscopy of minerals under pressure, Microspectrosc. Microanal., 9, 1098-1099 (2003).

49. Hofmeister, A. M. and H. K. Mao, Pressure derivatives of shear and bulk moduli from the thermal Grüneisen parameter and volume-pressure data, Geochim. Cosmochim. Acta, 67, 1207-1227 (2003).

48. Hu, M. Y., W. Sturhahn, T. S. Toellner, P. D. Mannheim, D. E. Brown, J. Zhao and E. E. Alp, Measuring velocity of sound with nuclear resonant x-ray scattering, Phys. Rev. B, 67, 094304 (2003).

47. Kavner, A., Elasticity and strength of hydrous ringwoodite at high pressure, Earth Planet Sci. Lett., 214, 645-654 (2003).

46. Kiefer, B., T. S. Duffy, T. Uchida and Y. Wang, Melting of tin at high pressures, in Advanced Photon Source Activity Report 2002, ANL-03/21 (Argonne National Laboratory, Argonne IL, 2003).

45. Koch-Müller, M., P. Dera, Y. Fei, B. Reno, N. V. Sobolev, E. Hauri and R. Wysoczanski, OH in synthetic and natural coesite, Am. Mineral, 88, 1436-1445 (2003).

44. Lee, S. K., Y. Fei, G. D. Cody and B. O. Myzen, Order and disorder in sodium silicate glasses and melts at 10 GPa, Geophys. Res. Lett, 30, 1845 (2003).

43. Lee, S. K., B. O. Mysen and G. D. Cody, Chemical order in mixed-cation silicate glasses and melts, Phys. Rev. B, 68, 214206 (2003).

42. Lee, S. K., J. F. Stebbins, C. W. Weiss and R. J. Krikpatrick, O-17 and Al-27 MAS and 3QMAS NMR study of synthetic and natural layer-silicates, Chemistry of Materials, 15, 2605-2613 (2003).

41. Lee, S. K. and J. F. Stebbins, Nature of cation mixing and ordering in Na-Ca silicate glasses and melts: 170 NMR study, J. Phys. Chem. B, 107, 3141-3148 (2003).

40. Li, L., P. Raterron, D. J. Weidner and J. Chen, Olivine flow mechanisms at 8 GPa, Phys. Earth Planet. Interiors, 138, 113-119 (2003).

39. Li, J. and Y. Fei, Experimental constraints on core composition, in Geochemistry of the Mantle and Core (ed. R. W. Carlson) 521-546 (2003).

38. Li, J., C. Hadidiacos, H. K. Mao, Y. Fei and R. J. Hemley, Effects of pressure on thermocouples in a multi-anvil apparatus, High Pressure Res., 23, 389-401 (2003).

37. Liang, Q., S. A. Catledge and Y. K. Vohra, Effect of nitrosodium addition on the morphology and structure of boron-doped nanostructured diamond films, Appl. Phys. Lett., 83, 5047 (2003).

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

35. Lin, J. F., V. V. Struzhkin, W. Sturhahn, E. Huang, J. Zhao, M. Hu, E. Alp, H. K. Mao, N. Boctor and R. J. Hemley, Sound velocities of iron-nickel and iron-silicon alloys at high pressures, Geophys. Res. Lett, 30, 2112-2115 (2003).

34. 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).

33. Lipinska-Kalita, K. E., B. Chen, M. B. Kruger, Y. Ohki, J. Murowchick and E. P. Gogol, High-pressure x-ray diffraction studies of the nanostructured transparent vitroceramic medium K₂O-SiO₂-Ga₂O₃, Phys. Rev. B, 68, 35209 (2003).

32. Liu, Z., G. A. Lager, R. J. Hemley and N. L. Ross, Synchrotron infrared spectroscopy of OH-chondrodite and OH-clinohumite at high pressure, Am. Mineral, 88, 1412-1415 (2003).

31. Ma, Y., R. J. Hemley, C. T. Prewitt, G. Zou and H. K. Mao, High P-T x-ray diffraction study of b-boron to 20 GPa, Phys. Rev. B, 67, 174116 (2003).

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

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

28. 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).

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

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

25. Militzer, B., F. Gygi and G. Galli, Structure and bonding of dense liquid oxygen from first principles simulations, Phys. Rev. Lett., 91, 265503 (2003).

24. Mukherjee, S., R. E. Cohen and O. Gülseren, Vacancy formation enthalpy at high pressures in tantalum, J. Phys.: Cond. Matter, 15, 855-861 (2003).

23. Murthy, V. R., W. v. Westrenen and Y. Fei, Experimental evidence that potassium is a substantial radioactive heat source in planetary cores, Nature, 423, 163-165 (2003).

22. Park, J. H., C. S. Yoo, V. Iota, H. Cynn, M. Nicol and T. LeBihan, Crystal structure of bent carbon dioxide phase IV, Phys. Rev. B, 68, 014107 (2003).

21. Prewitt, C. T., Mineral physics: looking ahead, J. Mineral. Petrol. Sci., 98, 1-8 (2003).

20. Qiu, W., N. Velisavljevic, P. A. Baker, Y. K. Vohra and S. T. Weir, Isotopicaly pure ¹³C layer as a stress sensor in a diamond anvil cell, Appl. Phys. Lett., 84, 5308 (2003).

19. Rama Murthy, V., W. v. Westrenen and Y. Fei, Experimental evidence that potassium is a substantial radioactive heat source in planetary cores, Nature, 423, 163-165 (2003).

18. Sampath, S., C. J. Benmore, K. M. Lantzky, J. Neufeind, K. Leinenweber, D. L. Price and J. L. Yarger, Intermediate-range order in permanently densified GeO₂ glass, Phys. Rev. Lett., 90, 115502 (2003).

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

16. Song, Y., R. J. Hemley, Z. Liu, M. Somayazulu, H. K. Mao 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).

15. 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, 686-692 (2003).

14. Song, X., C. Cahill and G. Eng, Triorganotin 2-(p-chlorophenyl)-3-methylbutyrates, Appl. Organomet. Chem, 17, 743-744 (2003).

13. Speziale, S. and T. S. Duffy, Elastic properties and strength of CaO at high pressure by Brillouin scattering and radial x-ray diffraction, in Joint 19th AIRAPT Conference and 41st EHPRG International Conference on High-Pressure Science and Technology (Bordeaux, France, July 7-11, 2003).

12. Steinle-Neumann, G., G. L. Stixrude and R. E. Cohen, Physical properties of iron in the inner core, in Earth's core: Dynamics, Structure, Rotation 137-161 (American Geophysical Union, Washington, DC, 2003).

11. Strzhemechny, M. A. and R. J. Hemley, Ortho-para conversion in the solid hydrogens at high pressures, Low Temp. Phys 29, 703 (2003).

10. Van Orman, J. A., Y. Fei, E. H. Hauri and J. Wang, Diffusion in MgO at high pressures: constraints on deformation mechanisms and chemical transport at the core-mantle boundary, Geophys. Res. Lett, 30, 10.1029/2002GL016343 (2003).

9. van Westrenen, W., N. L. Allan, J. D. Blundy, M. Y. Lavrentiev, B. R. Lucas and J. A. Purton, Dopant incorporation into garnet solid solutions-a breakdown of Goldschmidt's first rule, Chem. Commun., 6, 786-787 (2003).

8. van Westrenen, W., J. A. V. Orman, H. Watson, Y. Fei and E. B. Watson, Assessment of temperature gradients in multianvil assemblies using spinel layer growth kinetics, Geochem. Geophys. Geosyst., 4, 10.1029/2002GC000474 (2003).

7. Velisavljevic, N. and Y. K. Vohra, Bioceramic hydroxyapatite at high pressure, Appl. Phys. Lett., 82, 4271 (2003).

6. Wang, Z., Y. Zhao, D. Schiferl, J. Qian, R. T. Downs, H. K. Mao and T. Sekine, Threshold pressure for disappearance of size-induced defects in spinel-structure Ge₃N₄ nanocrystals, J. Phys. Chem. B, 107, 14151-14153 (2003).

5. Wenk, H. R., L. Lutterotti and S. Vogel, Texture analysis with new HIPPO TOF diffractometer, Nucl. Instr. Methods A, 515, 575-588 (2003).

4. Wu, Z., R. E. Cohen and D. J. Singh, First-principles WDA calculations for ferroelectric materials, in AIP Conference Proceedings 677 (ed. P. K. D. a. D. J. Singh) 276-286 (Melville, NY, 2003).

3. Xie, X. D., M. E. Minitti, M. Chen, H. K. Mao, D. Q. Wang, J. F. Shu and Y. Fei, Tuite, gamma-Ca₃(PO₄)₂: a new mineral from the Suizhou L6 chondrite, European J. Mineral, 15, 1001-1005 (2003).

2. Yoo, C. S., V. Iota, H. Cynn, M. Nicol, J. H. Park, T. LeBihan and M. Mezouar, Disproportionation and other transformations of N₂O at high pressures and temperatures to lower energy, denser phases., J. Chem. Phys B, 107, 59322-5925 (2003).

1. Zhang, R. Y., S. M. Zhai, Y. Fei and J. G. Liou, Titanium solubility in coexisting garnet and clinopyroxene at very high pressure: the significance of exsolved rutile in garnet, Earth Planet Sci. Lett., 216, 591-601 (2003).