Search Results - "Ruoff, Arthur L"

World poverty, another look by L Ruoff, Arthur

“…The World Bank used the Consumer Price Index (CPI) to calculate changes in the world poverty level (measured in U.S. dollars) prior to 1982. In 1983, the U.S…”
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Solid hydrogen at 342 GPa: no evidence for an alkali metal by Ruoff, Arthur L, Narayana, Chandrabhas, Luo, Huan, Orloff, Jon

“…Solid hydrogen, an electrical insulator, is predicted to become an alkali metal under extreme compression, although controversy surrounds the pressure required…”
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Optical properties of methane to 288 GPa at 300 K by Sun, Liling, Ruoff, Arthur L., Zha, Chang-Sheng, Stupian, Gary

“…Optical properties of solid methane (CH 4) were studied at high pressure and room temperature using a diamond anvil cell. Reflectivity and transmission…”
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Optical response of very high density solid oxygen to 132 GPa by Desgreniers, Serge, Vohra, Yogesh K, Ruoff, Arthur L

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Al as a simple solid: High pressure study to 220 GPa (2.2 Mbar) by Greene, RG, Luo, H, Ruoff, AL

“…The static equation of state of Al has been measured to 220 GPa, corresponding to a compression of [ital V]/[ital V][sub 0]=0.50. No phase transformation from…”
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New high-pressure phase transition in zirconium metal by HUI XIA, DUCLOS, S. J, RUOFF, A. L, VOHRA, V. K

“…Phase transitions in the group-IV transition metal Zr were studied by the energy-dispersive X-ray diffraction technique with a synchrotron source to a pressure…”
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The bulk modulus of C60 molecules and crystals : a molecular mechanics approach by RUOFF, R. S, RUOFF, A. L

“…In this letter, the bulk modulus of an individual C60 molecule is calculated in terms of the C,C bond force constant. A range of values for the bulk modulus is…”
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Pressure Induced Metastable Amorphization of BAs: Evidence for a Kinetically Frustrated Phase Transformation by Greene, RG, Luo, H, Ruoff, AL, Trail, SS, DiSalvo, Jr, FJ

“…A transformation from the zinc blende (zb) to an amorphous crystal structure was observed at 125 GPa, just slightly above the calculated equilibrium transition…”
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Gallium Nitride Synthesis Using Lithium Metal as a Nitrogen Fixant by Barry, Seán T, Ruoff, Stephen A, Ruoff, Arthur L

“…Micron-sized particles of gallium nitride were synthesized at temperatures as low as 300 °C under ammonia in anhydrous conditions. Two different syntheses were…”
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Introduction to materials science: [by] Arthur L. Ruoff by Ruoff, Arthur L

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Evidence for the insulator-metal transition in xenon from optical, X-ray, and band-structure studies to 170 GPa by REICHLIN, R, BRISTER, K. E, MCMAHAN, A. K, ROSS, M, MARTIN, S, VOHRRA, Y. K, RUOFF, A. L

“…The equation of state and optical absorption of condensed Xe have been measured in a diamond-anvil cell up to 172 GPa. Pressures were determined by use of the…”
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hcp-to-fcc transition in silicon at 78 GPa and studies to 100 GPa by DUCLOS, S. J, VOHRA, Y. K, RUOFF, A. L

“…The pressure-induced phase sequence of silicon has been studied up to 100 GPa by energy-dispersive X-ray diffraction techniques. A new phase transition from…”
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Phase-transition studies of germanium to 1.25 Mbar by VOHRA, Y. K, BRISTER, K. E, DESGRENIERS, S, RUOFF, A. L, CHANG, K. J, COHEN, M. L

“…New phase transitions in Ge were observed by energy-dispersive X-ray diffraction techniques for pressures up to 125 GPa (1.25 Mbar) as follows: the beta -Sn…”
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Hydrogen Reduction of Ruby at High Pressure: Implication for Claims of Metallic Hydrogen by Ruoff, Arthur L., Vanderborgh, Craig A.

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Experimental study of the crystal stability and equation of state of Si to 248 GPa by DUCLOS, S. J, VOHRA, Y. K, RUOFF, A. L

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High-pressure optical studies on sulfur to 121 GPa : optical evidence for metallization by HUAN LUO, DESGRENIERS, S, VOHRA, Y. K, RUOFF, A. L

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Optical reflectivity and amorphization of GaAs during decompression from megabar pressures by VOHRA, Y. K, HUI XIA, RUOFF, A. L

“…Polycrystalline GaAs was studied in a diamond anvil cell by optical reflection spectroscopy and energy-dispersive x-ray diffraction to pressures of 115 GPa…”
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X-ray diffraction in the multimegabar regime using synchrotron radiation at the Cornell High-Energy Synchrotron Source (CHESS) by Ruoff, Arthur L

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Convenient optical pressure gauge for multimegabar pressures calibrated to 300 GPa by Sun, Liling, Ruoff, Arthur L., Stupian, Gary

“…The accurate measurement of pressure by a straightforward and inexpensive optical procedure has been needed in the multimegabar region since static pressures…”
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Convenient optical pressure gauge for multimegabar pressures calibrated to 300GPa by Sun, Liling, Ruoff, Arthur L., Stupian, Gary

“…The accurate measurement of pressure by a straightforward and inexpensive optical procedure has been needed in the multimegabar region since static pressures…”
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