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Chinese Journal of High Pressure Physics  > 2014  >  28(2): 152-160.
LI Dan-Yang, WANG Duo-Jun, GUO Ying-Xing. Electrical Conductivity of Amphibole Eclogite at 1.0 GPa[J]. Chinese Journal of High Pressure Physics, 2014, 28(2): 152-160. doi: 10.11858/gywlxb.2014.02.004
Citation: LI Dan-Yang, WANG Duo-Jun, GUO Ying-Xing. Electrical Conductivity of Amphibole Eclogite at 1.0 GPa[J]. Chinese Journal of High Pressure Physics, 2014, 28(2): 152-160. doi: 10.11858/gywlxb.2014.02.004
shu

Electrical Conductivity of Amphibole Eclogite at 1.0 GPa

doi: 10.11858/gywlxb.2014.02.004

  • Key Laboratory of Computational Geodynamics, University of Chinese Academy of Sciences, Beijing 100049, China

  • Received Date: 27 Dec 2012
  • Rev Recd Date: 24 Sep 2013
    Abstract
  • We measured the electrical impedance spectra of two amphibole eclogite samples collected from Shangnan county of Shanxi province at 1.0 GPa within the frequency range of 10-1-106 Hz.The results indicate that the complex impedance depends on the frequency and temperature.At a given temperature, the modulus of complex impedance decreases with the increasing frequency, and the phase angle first decreases and then increases with the increasing frequency.At a given frequency, the modulus decreases with the increasing temperature and the phase angle increases with the increasing temperature.The range of electrical conductivity value of amphibole eclogite is 10-6-1 S/m, and the relationship between conductivity and temperature can be fitted by Arrhenius relation.The activation enthalpies derived are 33-58 kJ/mol at low temperature and 108-163 kJ/mol at high temperature, respectively.The conduction mechanism of amphibole eclogite is likely related to the electron hopping between Fe2+ and Fe3+.

     

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