Dc conductivity of binary and modified transition metal oxide glasses

Neena Chopra Electronic Materials and Devices Laboratory, Department of Physics and Astrophysics University of Delhi, Delhi, 110 007, India

Vinay Gupta Electronic Materials and Devices Laboratory, Department of Physics and Astrophysics University of Delhi, Delhi, 110 007, India

Abhai Mansingh Electronic Materials and Devices Laboratory, Department of Physics and Astrophysics University of Delhi, Delhi, 110 007, India

G. K. Chadha Electronic Materials and Devices Laboratory, Department of Physics and Astrophysics University of Delhi, Delhi, 110 007, India

Abstract

Binary and modified transition-metal-oxide (TMO) tellurite (V₂O₅-TeO₂, MoO₃-TeO₂ and WO₃-TeO₂) glasses have been prepared by the method of rapid cooling. Dc conductivity measurements, on 20TMO-80TeO₂ (TMO=V₂O₅, MoO₃ and WO₃) glasses in the temperature range 300K to 450K and on (50 - x)V₂O₅-xMoO₃-50TeO₂ (x = 0, 0.5, 1.0, 3.0 and 5.0) glasses in the temperature range 77K to 400K, have been performed. The results are discussed in the light of physical and structural models. The influence of the TMO in binary TMO-tellurite glasses and of the modifier (M0O₃) in (50 - x)V₂O₅-xMoO₃-50TeO₂ glasses, is discussed in detail.

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Dc conductivity of binary and modified transition metal oxide glasses

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Dc conductivity of binary and modified transition metal oxide glasses

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