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Electronic energy gap of molecular hydrogen from electrical conductivity measurements at high shock pressuresElectrical conductivities were measured for liquid D2 and H2 shock compressed to pressures of 10-20 GPa (100-200 kbar), molar volumes near 8 cu cm/mol, and calculated temperatures of 2900-4600 K. The semiconducting energy gap derived from the conductivities is 12 eV, in good agreement with recent quasi-particle calculations and with oscillator frequencies measured in diamond-anvil cells.
Document ID
19920054864
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Nellis, W. J.
(NASA Headquarters Washington, DC United States)
Mitchell, A. C.
(NASA Headquarters Washington, DC United States)
Mccandless, P. C.
(NASA Headquarters Washington, DC United States)
Erskine, D. J.
(NASA Headquarters Washington, DC United States)
Weir, S. T.
(Lawrence Livermore National Laboratory Livermore, CA, United States)
Date Acquired
August 15, 2013
Publication Date
May 11, 1992
Publication Information
Publication: Physical Review Letters
Volume: 68
Issue: 19 M
ISSN: 0031-9007
Subject Category
Thermodynamics And Statistical Physics
Accession Number
92A37488
Funding Number(s)
CONTRACT_GRANT: W-7405-ENG-48
CONTRACT_GRANT: NASA ORDER W-16180
Distribution Limits
Public
Copyright
Other

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