Metallization of fluid molecular hydrogen at 140 GPa (1.4 Mbar)

Journal Article · Fri Mar 01 00:00:00 EST 1996 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.76.1860· OSTI ID:284424

Weir, S T; Mitchell, A C; Nellis, W J ^[1]

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1. Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States)

Electrical resistivities were measured for liquid H{sub 2} and D{sub 2} shock compressed to pressures of 93{endash}180 GPa (0.93{endash}1.8 Mbar). Calculated densities and temperatures were in the range 0.28{endash}0.36 mol/cm{sup 3} and 2200{endash}4400 K. Resistivity decreases almost 4 orders of magnitude from 93 to 140 GPa and is essentially constant at a value typical of a liquid metal from 140 to 180 GPa. The data are interpreted in terms of a continuous transition from a semiconducting to metallic diatomic fluid at 140 GPa and 3000 K. {copyright} {ital 1996 The American Physical Society.}

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 284424
• Journal Information: Physical Review Letters, Vol. 76, Issue 11; Other Information: PBD: Mar 1996
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
HYDROGEN
PHASE TRANSFORMATIONS
DEUTERIUM
LIQUIDS
PRESSURE DEPENDENCE
SHOCK WAVES
ELECTRIC CONDUCTIVITY
LIQUID METALS