[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.3938/jkps.73.1873

Ionic Conductivity in Lithium-Borate-Tantalate Compound Glasses

Kwon, Oh Hyeok (Department of Nano Fusion Technology, Pusan National University)
Yang, Yong Suk (Department of Nano Fusion Technology, Pusan National University)
Rim, Young Hoon (College of Liberal Arts, Semyung University)

Publication Information

Journal of the Korean Physical Society / v.73, no.12, 2018 , pp. 1873-1878 More about this Journal

Abstract

We have investigated the ionic conductivity and dielectric relaxation in $Li_2B_4O_7$ (LBO) and $Li_2O-B_2O_3-Ta_2O_5$ (LBTO) glasses. The sample was synthesized by using the melt quenching method. The frequency dependence of the electrical data from the LBO and LBTO glasses has been analyzed in the frameworks of the impedance Cole-Cole formalism and the universal power-law representation driven by the modified fractional Rayleigh equation. The potential barriers in the LBO and the LBTO glasses turn out to be the same. Comparing with the dc and ac activation energies of the LBO glass, these energies of the LBTO glass decrease due to the increasing Coulomb interaction of inter-cationic interaction.

Keywords

Glass; Conductivity; Activation energy; Cole-Cole plot; Power law; Modified Rayleigh equation;

Citations & Related Records

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