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Temperature and pressure dependence of direct current electrical resistivity in the Na2O-ZnO-B2O3 glass system

Anavekar, RV and Devaraj, N and Parthasarathy, G and Gopal, ESR and Ramakrishna, J (1989) Temperature and pressure dependence of direct current electrical resistivity in the Na2O-ZnO-B2O3 glass system. In: Physics and Chemistry of Glasses, 30 (5). pp. 172-179.

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Abstract

Two series of glasses were prepared, xNa2O, yZnO, 100 - x - yB2O3 and 30 - xNa2O, xZnO, 70B2O3 (mol%). The temperature dependence of the direct current resistivity was measured from room temperature to about 700 K and in both series of glasses we observed a simple Arrhenius type of temperature dependence. However, the resistivity of the binary alkali glass increased steeply by as much as two orders of magnitude with the addition of even a small quantity of ZnO and remained virtually unaffected by further addition of ZnO. The resistivity decreases gradually with increasing pressure in Na2O-B2O3 but increases with increasing pressure with the addition of ZnO.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Society of Glass Technology.
Keywords: Glass;Borates;Resistivity;Temperature;Pressure;Electrical properties;Property composition relationship.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 05 Aug 2010 04:53
Last Modified: 05 Aug 2010 04:53
URI: http://eprints.iisc.ernet.in/id/eprint/31113

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