Electrical transport properties of molybdenum tellurite glassy semiconductors

Ghosh, Aswini (1990) Electrical transport properties of molybdenum tellurite glassy semiconductors Philosophical Magazine Part B: Physics of Condensed Matter. Electronics, Optical and Magnetic Properties, 61 (1). pp. 87-96. ISSN 0141-8637

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1364281...

Related URL: http://dx.doi.org/10.1080/13642819008208653

Abstract

The first measurements are reported of the electrical conductivity of semiconducting molybdenum tellurite glasses of various compositions over the temperature range 100-500 K. The electrical data have been analysed in the light of polaronic conduction models. The analysis shows that the adiabatic hopping theory is most appropriate for describing the polaronic conduction in the high-temperature region. However, in the intermediate temperature range, variable-range hopping dominates. It is shown that the glass-forming oxide, rather than the transition-metal oxide, greatly affects the conduction mechanism.

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