Rao, K. J. ; Estournès, C. ; Mènètrier, M. ; Levasseur, A. (1994) A.C. conductivity studies of lithium thioborate glasses Philosophical Magazine Part B, 70 (4). pp. 809-816. ISSN 0958-6644
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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0141863...
Related URL: http://dx.doi.org/10.1080/01418639408240253
Abstract
The variation in the exponent s in σa.c. α ωs as a function of temperature is reported for lithium thioborate glasses. The origin of the observed minimum in s is discussed using the diffusion-controlled relaxation (DCR) model. An entirely new model for the a.c. conductivity of highly modified ionic glasses has been proposed and expressions for relaxation identical with those of the DCR model have been obtained, providing a new explanation for the temperature behaviour of s. The origin of two activation barriers generally observed in a.c. conductivity studies is examined in the light of the new model.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Taylor and Francis Ltd. |
| ID Code: | 91100 |
| Deposited On: | 17 May 2012 04:19 |
| Last Modified: | 17 May 2012 04:19 |
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