Electrical conductivity of water compressed dynamically to pressures of 70-180 GPa (0.7-1.8 Mbar)

被引:86
作者
Chau, R [1 ]
Mitchell, AC [1 ]
Minich, RW [1 ]
Nellis, WJ [1 ]
机构
[1] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
关键词
D O I
10.1063/1.1332079
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The electrical conductivity of water was measured at high pressures (70 to 180 GPa) and temperatures (4000 to 11 000 K) using a reverberating shock wave technique. The measured electrical conductivity of water varies from 39 to 200 Omega (-1) cm(-1) between 70 and 180 GPa. The relatively weak pressure dependence of the electrical conductivity is consistent with water being fully ionized chemically and the primary conduction mechanism is highly mobile protons. The results are in contrast to hydrogen, in which electrons are the dominant charge carriers. (C) 2001 American Institute of Physics.
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页码:1361 / 1365
页数:5
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