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High pressure elastic properties of solid argon from first-principles density functional and quasi-harmonic lattice dynamic calculations
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UNSPECIFIED (2002) High pressure elastic properties of solid argon from first-principles density functional and quasi-harmonic lattice dynamic calculations. SOLID STATE COMMUNICATIONS, 122 (10). pp. 557-560. ISSN 0038-1098.
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Abstract
The equation of states and the elastic moduli of solid argon have been calculated with a first-principles density functional method and from an empirical potential. The calculated equation of state is in excellent agreement with experiment. The predicted pressure dependence of the C-44 shear modulus is also in good accord with recent measurements up to 70 GPa. On the other hand, the calculated C-11 and C-12 moduli are in reasonable agreement with the experiment at low pressure but start to deviate significantly from the observed values at pressure higher than 10 GPa. This discrepancy may be attributed to the nonhydrostaticity of the crystalline argon sample at high pressure. (C) 2002 Published by Elsevier Science Ltd.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | SOLID STATE COMMUNICATIONS | ||||
| Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | ||||
| ISSN: | 0038-1098 | ||||
| Official Date: | 2002 | ||||
| Dates: |
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| Volume: | 122 | ||||
| Number: | 10 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 557-560 | ||||
| Publication Status: | Published |
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