X17C Publication of 1999

J. Akella, S. T. Weir, Y. K. Vohra, H. Prokop, S. A. Catledge and G. N. Chesnut, High pressure phase transformations in neodymium studied in a diamond anvil cell using diamond coated rhenium gaskets, J. Phys.: Condens. Matter 11, 6515, 1999.

J. Badro, 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.

L. R. Benedetti, J. H. Nguyen, W. A. Caldwell, H. Liu, M. Kruger, R. Jeanloz, Dissociation of CH₄ at high pressures and temperatures: diamond formation in giant planet interiors? Science 286, 100, 1999.

G. N. Chesnut and Y. K. Vohra, Structural and electronic transitions in ytterbium metal to 202 GPa, Phys. Rev. Lett. 82, 1712-1715, 1999

H. Cynn and C S. Yoo, Equation of state of tantalum to 174 GPa, Phys. Rev. B 59, 8526, 1999.

H. Cynn, C. S. Yoo and S. A. Sheffield, Phase transition and decomposition of 90% hydrogen peroxide at high pressures, J. Chem. Phys. 110, 6836, 1999.

P. G. Conrad, 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.

T. S. Duffy, 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.

T. S. Duffy, 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.

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

R. J. Hemley, Mineralogy at a crossroads, Science 285, 1026-1027, 1999.

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

E. Huang, J. F. Lin, J. Xu, T. Huang, Y. C. Jean and H. S. Sheu, Compression studies of gibbsite and its high-pressure polymorph, Phys. Chem. Minerals 26, 576-583, 1999.

V. Iota, C. S. Yoo, and H. Cynn, Quartz-like carbon dioxide: an optically nonlinear extended solid at high pressures and temperatures, Science, 283, 1510 1999.

K. Leinenweber, M. O'Keeffe , M. Somayazulu , H. Hubert , P. McMillan , G. Wolf, Synthesis and structure refinement of the spinel, g-Ge₃N₄., Chem. Eur. J. 5, 3076-3080, 1999.

H. K. Mao, 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.

S. Merkel, H. R. Wenk, J. Shu, H.K. Mao, R.J. Hemley and P. Gillet, High pressure properties of FeS₂ pyrite, EOS, AGU-Fall meeting, 1999.

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

J.-P. Rueff, 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.

A. K. Singh, 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, 64-77, 1999.

Y. K. Vohra , S. L. Beaver, J. Akella, C. Ruddle and S. T. Weir, Ultrapressure equation of state of cerium metal to 208 GPa, J. Appl. Phys. 85, 2451, 1999.

C. S. Yang, C. S. Ro, W. C. Chou, C. M. Lin, D. S. Chuu, J. Hu, E. Huang and J. Xu, Energy-dispersive x-ray diffraction and Raman scattering of Zn1-xMnxSe bulk crystal at high pressure, J. Appl. Phys. 85, 8092-8096, 1999.

C. S. Yoo, H. Cynn, F. Gygi, G. Galli, M. Nicol, D. Hausermann, S. Carlson, C. Mailhiot, Crystal Structures of Carbon Dioxide at High Pressures: Superhard Polymeric Carbon Dioxide, Phys. Rev. Lett. 83, 5527, 1999.

C. S. Yoo and H. Cynn, Equation of State, Phase Transition, Decomposition of b-HMX (Octahydro-1,3,5,7-Tetranitro-1,3,5,7-Tetrazocine) at High Pressures, J. Chem. Phys. 111, 1, 1999.

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