Dielectric studies of As-Se glasses

Mohan, R. ; Rao, K. J. (1981) Dielectric studies of As-Se glasses Proceedings of the Indian Academy of Sciences - Chemical Sciences, 90 (3). pp. 229-235. ISSN 0253-4134

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Official URL: http://www.ias.ac.in/j_archive/chemsci/90/vol90con...


Dielectric constants and loss tangents of As-Se glasses have been measured between 300 K and the respective glass transition temperatures and between 1 kHz and 20 kHz. The variation of dielectric constants has been interpreted in terms of both heteropolarity of bonds and average bond energies employing a chemically ordered network model. Various contributions to total molar polarizations have been estimated. Rapid rise of loss tangent in the vicinity of glass transitions has been interpreted in terms of rapid increase; of d.c. conductivity.

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