Large low frequency dielectric constant exhibited by hydrated rock materials

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概要

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• The dielectric properties of low porosity polycrystalline marble and granite rocks were investigated using broadband dielectric relaxation spectroscopy (10-2-106Hz) at fixed room temperature (295K). The water content of the specimens was varied between 0 and 0.22% (mass of absorbed water per mass of dry rock material %). The dielectric relaxation spectra were found to exhibit large low-frequency dispersion that depends strongly on the water content. A thorough study of this dispersion reveals that the main part of the enhanced ε* values originates from bulk effects.

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著者

• KYRITSIS Apostolos

  Athens University, Physics Department

• Siakantari Maria

  Athens University, Physics Department

• Vassilikou-Dova Aglaia

  Athens University, Physics Department

• PISSIS Polikarpos

  National Technical University of Athens, Department of Physics

• VAROTSOS Panayoitis

  Athens University, Physics Department

関連論文

• Large low frequency dielectric constant exhibited by hydrated rock materials

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