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Journal of Materials Science

, Volume 42, Issue 11, pp 3816–3824 | Cite as

Electrical conductivity studies of AgI–Ag2O–B2O3–TeO2 glasses

  • V. C. Veeranna Gowda
  • R. V. AnavekarEmail author
Article

Abstract

The silver ion conducting boro tellurite glasses have been prepared by melt quenching technique. The conductivity and dielectric measurements were carried out on these glasses as a function of frequency from 10 Hz to 10 MHz over a temperature range of 298–328 K. The analysis of conductivity measurement shows that the silver ions are the main charge carriers, which are considered to be the predominant factor playing the role of enhancing the conductivity. The power law exponent s and stretched exponent β are found to be insensitive to both temperature and compositions. AC conductivity and dielectric relaxation behaviour of these glasses were also studied and the results are discussed in view of the structure of borate and tellurite network.

Keywords

B2O3 TeO2 Ag2O Tellurite Glass Dielectric Modulus 

Notes

Acknowledgements

The authors are grateful to Professor K.J. Rao for encouragement and many discussions. One of the authors (R.V.A) acknowledges the UGC, Govt. of India for financial support to carry out this work.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Department of PhysicsBangalore UniversityBangaloreIndia

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