Metals physics at ultrahigh pressure: aluminum, copper, and lead as prototypes

New shock compression data for Al, Cu, and Pb in the pressure range 0.3-1 TPa (3-10 Mbar) have been combined with first-principles theory and earlier equation-of-state data to give the first self-consistent description of the thermodynamic states of metals at ultrahigh pressures. No evidence is foun...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1988-04, Vol.60 (14), p.1414-1417
Hauptverfasser:	NELLIS, W. J, MORIARTY, J. A, MITCHELL, A. C, ROS, M, DANDREA, R. G, ASHCROFT, N. W, HOLMES, N. C, GATHERS, G. R
Format:	Artikel
Sprache:	eng
Schlagworte:	360104 - Metals & Alloys- Physical Properties ALUMINIUM COMPRESSION Condensed matter: structure, mechanical and thermal properties COPPER Cross-disciplinary physics: materials science rheology ELEMENTS EQUATIONS EQUATIONS OF STATE Exact sciences and technology LEAD MATERIALS SCIENCE METALS Metals, semimetals and alloys Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics SHOCK WAVES Specific materials Thermal properties of condensed matter Thermal properties of crystalline solids Thermodynamic properties THERMODYNAMICS TRANSITION ELEMENTS VERY HIGH PRESSURE
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Zusammenfassung:	New shock compression data for Al, Cu, and Pb in the pressure range 0.3-1 TPa (3-10 Mbar) have been combined with first-principles theory and earlier equation-of-state data to give the first self-consistent description of the thermodynamic states of metals at ultrahigh pressures. No evidence is found for a break in the slope of the shock Hugoniot of Al near 0.5 TPa, as claimed by Al'tshuler. (Author)
ISSN:	0031-9007 1079-7114
DOI:	10.1103/physrevlett.60.1414