| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Theoretical Study on Equation of State of Porous Mo and Sn |
| SONG Hai-Feng**, TIAN Ming-Feng, LIU Hai-Feng, SONG Hong-Zhou, ZHANG Gong-Mu |
Data Center for High Energy Density Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088
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| Cite this article: |
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SONG Hai-Feng, TIAN Ming-Feng, LIU Hai-Feng et al 2014 Chin. Phys. Lett. 31 016402 |
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Abstract We present a first-principles scheme to investigate the equation of state (EOS) of porous materials, based on our recently developed modified mean-field potential approach. By taking the effect of the structural parameters on the free energy into account, we calculate the total energy of materials with initial different densities and then study the EOS of porous Mo and Sn as a prototype. The calculated results are in good agreement with the experimental data available, which demonstrates that our scheme is suitable for investigating EOS of porous materials over a wide range of porosities and pressures.
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Received: 01 August 2013
Published: 28 January 2014
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| PACS: |
64.30.-t
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(Equations of state of specific substances)
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62.50.-p
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(High-pressure effects in solids and liquids)
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47.40.Nm
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(Shock wave interactions and shock effects)
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05.70.Ce
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(Thermodynamic functions and equations of state)
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