Temperature and Frequency Dependence of Dielectric Constant and Conductivity of Natural Egyptian Monazite

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概要

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• Dielectric results at frequencies between 0.1 and 1O0kHz throughout ternperature range of150 -450 K are given for the natural Egyptian monazite. Three distincit absorption peaks ('y, f3,and a) are observed in order of increasing temperature. Displacernent toward high temperaturesof the three relaxations with increasing frequencies is justified. The Cole-Cole diagrams havebeen used to determine the molecular relaxation time r and the activation energy of the f3-relaxation. The A.C. conductivity is found to be proportional to w"". The high value ofA.C. conductivity compared with the D.C. conductivity indicates the dorninance of the dipolepolarization mechanism.

• 社団法人日本物理学会の論文
• 1996-10-15

著者

• Abdel-aal M.m.

  Faculty Of Women Ein Shams University

• AHMED M.A.

  Physics Department,Faculty of Science,Cairo University

• ATEYA L.

  Atomic Energy Agency

• Ahmed M.a.

  Physics Department Faculty Of Science Cairo University

関連論文

• Temperature and Frequency Dependence of Dielectric Constant and Conductivity of Natural Egyptian Monazite
• Deep Inelastic Scattering, Scaling and Regge Behaviour in a Feynman Diagram Model

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