Hopping conduction in unconventional lead cuprate glass

Hazra, S. ; Gnosh, A. (1996) Hopping conduction in unconventional lead cuprate glass Philosophical Magazine Part B: Physics of Condensed Matter. Electronics, Optical and Magnetic Properties, 74 (3). pp. 235-241. ISSN 0141-8637

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0141863...

Related URL: http://dx.doi.org/10.1080/01418639608243520


The ac conductivity of cuprate glasses based on the unconventional network former PbO is reported in the frequency range 102-105 Hz and in the temperature range 80-450 K. Analysis of the conductivity data has been made in the light of different existing theoretical models. It is observed that, among them, the correlated barrier hopping model can best explain the conductivity and frequency exponent data. The values of the different parameters obtained from this model are reasonable. The high values of the dielectric constant observed in this system are attributed to the high polarizabih'ty of the unconventional network former PbO.

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