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Chinese Journal of High Pressure Physics  > 2004  >  18(2): 177-182 .
WANG Duo-Jun, LI He-Ping, LIU Cong-qiang, YI Li, SU Gen-Li, ZHANG Wei-Gang, XU Zu-Ming. The Electrical Conductivity of Pyroxenite at High Temperature and Pressure[J]. Chinese Journal of High Pressure Physics, 2004, 18(2): 177-182 . doi: 10.11858/gywlxb.2004.02.014
Citation: WANG Duo-Jun, LI He-Ping, LIU Cong-qiang, YI Li, SU Gen-Li, ZHANG Wei-Gang, XU Zu-Ming. The Electrical Conductivity of Pyroxenite at High Temperature and Pressure[J]. Chinese Journal of High Pressure Physics, 2004, 18(2): 177-182 . doi: 10.11858/gywlxb.2004.02.014
shu

The Electrical Conductivity of Pyroxenite at High Temperature and Pressure

doi: 10.11858/gywlxb.2004.02.014
  • 1.

    Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;

  • 2.

    Graduate School of Chinese Academy of Sciences, Beijing 100083, China;

  • 3.

    Changqing Petroleum Exploration Bureau Oil & Gas Development Co., Xi'an 710021, China

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  • Corresponding author: WANG Duo-Jun
  • Received Date: 26 May 2003
  • Rev Recd Date: 18 Feb 2004
  • Publish Date: 05 Jun 2004
    Abstract
  • The electric conductivity of pyroxenite has been measured at pressure of 1.0~2.0 GPa, temperature of 320~700 ℃, and frequency of 105 Hz to 12 Hz, and the conduction mechanism has been analyzed in terms of the impedance spectra. Experimental results indicated that the electric conductivity of pyroxenite depended on the frequency of alternative current. Impedance arcs representing the conduction mechanism of grain interiors are displayed in the complex impedance plane, and this mechanism is dominated at high pressure. The activation enthalpies for pyroxenite are 0.661~0.673 eV. Higher iron content may lead to the higher values of the electrical conductivity in the experiments.

     

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