Journal
JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA
Volume 45, Issue 4, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4963086
Keywords
chemical elements; equation of state; high pressure; isotherms; megabar chemistry; periodic table
Funding
- U.S. DOE by LLNL [DE-AC52-07NA27344]
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Most of the chemical elements have now been compressed close to or above 100 GPa (1 Mbar) pressure in diamond-anvil cells and the pressure-volume room-temperature isotherms have been measured. We collect these data and use simple lattice-dynamics models to reduce the isotherms to 0 K. We have extended the published work by making new diamond-anvil-cell measurements on Cr and Rh, and by conducting density-functional calculations on the elements Po, At, Rn, Fr, Ra, and Ac. The 0 K data are tabulated for all elements 1 <= Z <= 92 and 0 <= P <= 100 GPa. These data are useful for generating wide-range equation of state models and for studying the stability of chemical compounds at high pressure (Megabar chemistry). The tables presented here are intended to be reference thermodynamic tables for use in high-pressure research. Further experimental and theoretical work will be needed to extend the tables to higher pressure and to improve accuracy. (C) 2016 AIP Publishing LLC for the National Institute of Standards and Technology.
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