Muthupari, S. ; Rao, K. J. (1994) Cluster model of glass transition. The variation of Tg with cage vibrational frequency of Na+ ions in sodium borovanadate glasses Chemical Physics Letters, 223 (1-2). pp. 133-138. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0009-2614(94)00417-X
Abstract
The cage vibrational frequencies of Na+ ions in sodium borovanadate glasses have been examined using far-infrared spectroscopy. The glass transition temperature, Tg, is found to vary linearly with the cage vibrational frequency, ν . The variation of ν has been related to the average excess partial charge on the cage oxygen atoms and hence to the force constant. The observed linear variation of Tg as a function of ν has been rationalized on the basis of the cluster model of glass transition.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 91104 |
| Deposited On: | 17 May 2012 04:20 |
| Last Modified: | 17 May 2012 04:20 |
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