The compressibility of cubic white, orthorhombic black and rhombohedral black phosphorus

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The effect of pressure on the crystal structure of white phosphorus has been studied up to 22.4 GPa. The {alpha} phase was found to transform into the {alpha}' phase at 0.87 {+-} 0.04 GPa with a volume change of 0.1 {+-} 0.3 cc/mol. A fit of a second order Birch-Murghanan equation to the data gave Vo = 16.94 {+-} 0.08 cc/mol and K{sub o} = 6.7 {+-} 0.5 GPa for the {alpha} phase and Vo = 16.4 {+-} 0.1 cc/mol and K{sub o} = 9.1 {+-} 0.3 GPa for the {alpha}' phase. The {alpha}' phase was found to transform to ... continued below

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Clark, S & Zaug, J M June 5, 2009.

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The effect of pressure on the crystal structure of white phosphorus has been studied up to 22.4 GPa. The {alpha} phase was found to transform into the {alpha}' phase at 0.87 {+-} 0.04 GPa with a volume change of 0.1 {+-} 0.3 cc/mol. A fit of a second order Birch-Murghanan equation to the data gave Vo = 16.94 {+-} 0.08 cc/mol and K{sub o} = 6.7 {+-} 0.5 GPa for the {alpha} phase and Vo = 16.4 {+-} 0.1 cc/mol and K{sub o} = 9.1 {+-} 0.3 GPa for the {alpha}' phase. The {alpha}' phase was found to transform to the A17 phase of black phosphorus at 2.68 {+-} 0.34 GPa and then with increasing pressure to the A7 and then simple cubic phase of black phosphorus. A fit of a second order Birch-Murnaghan equation to our orthorhombic and rhombohedral black phosphorus data gave Vo = 11.43 {+-} 0.02 cc/mol and K{sub o} = 34.7 {+-} 0.5 GPa for the A17 phase and Vo = 9.62 {+-} 0.01 cc/mol and K{sub o} = 65.0 {+-} 0.6 GPa for the A7 phase.

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PDF-file: 22 pages; size: 0.9 Mbytes

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  • Journal Name: Phys Rev. B, vol. 82, n/a, October 14, 2010, pp. 134111; Journal Volume: 82

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  • Report No.: LLNL-JRNL-413744
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1010408
  • Archival Resource Key: ark:/67531/metadc836745

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  • June 5, 2009

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 9, 2016, 9:12 p.m.

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Clark, S & Zaug, J M. The compressibility of cubic white, orthorhombic black and rhombohedral black phosphorus, article, June 5, 2009; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc836745/: accessed January 20, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.