Article ID Journal Published Year Pages File Type
1814031 Physica B: Condensed Matter 2009 8 Pages PDF
Abstract

LiF–MoO3–P2O5 glasses mixed with different concentrations of Ag2O (ranging from 0 to 1.0 mol%) was prepared. D.C. conductivity and dielectric properties over a range of temperature have been investigated. The analysis of the results of d.c. conductivity has indicated that T>θD/2, the small polaron hoping model seems to be fit and the conduction is adiabatic in nature. These results further indicated that there is a change over of conduction mechanism from electronic to ionic at about 0.4 mol% of Ag2O. The low temperature part of a.c. conductivity is explained based on quantum mechanical tunneling model. The quantitative analysis of these results is further extended with the aid of the data on optical absorption, ESR and IR spectral studies.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Condensed Matter Physics
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