Electrical conductivity studies of Bi2O3-Li2O-ZnO-B2O3 glasses

被引：26

作者：

Bale, Shashidhar ^{[1
]}

Rahman, Syed ^{[1
]}

机构：

[1] Osmania Univ, Dept Phys, Hyderabad 500007, Andhra Pradesh, India

来源：

MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 05期

关键词：

Amorphous materials; Glasses; Optical materials; Ionic conductivity; Impedance spectroscopy; AC CONDUCTIVITY; CARRIER CONCENTRATIONS; IONIC-CONDUCTIVITY; RELAXATION; UNIVERSALITY; SPECTRA;

D O I：

10.1016/j.materresbull.2012.02.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ac conductivity measurements and its analysis has been performed on xBi(2)O(3)-(65-x)Li2O-20ZnO-15B(2)O(3) (0 <= x <= 20) glasses in the temperature range 30-300 degrees C and a frequency range of 100 Hz to 1 MHz. The dc conductivity increased and the activation energy decreased with lithium content. The frequency dependent conductivity has been analyzed employing conductivity and modulus formalisms. The onset of conductivity relaxation shifts towards higher frequencies with temperature. The Almond-West conductivity formalism is used to explain the scaling behavior, and the relaxation mechanism is independent of temperature. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1153 / 1157

页数：5

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