Ramdas, S. ; Shukla, A. K. ; Rao, C. N. R. (1973) Mechanism of ion movement in alkali halides Physical Review B: Condensed Matter and Materials Physics, 8 (6). pp. 2975-2981. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v8/i6/p2975_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.8.2975
Abstract
The energies of ion migration in KCl through isolated vacancies, vacancy pairs, trivacancies, and interstitials have been investigated. A path-variation study in the case of vacancy and vacancy-pair mechanisms show that the usually assumed path in the (100) plane is the most probable one. Trivacancies do not seem to contribute to high-temperature conduction. On the other hand, the formation of a Frenkel defect pair and interstitialcy migration through a collinear path may be responsible for the nonrandom deviations in ionic conductivity data at high temperatures.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 39955 |
| Deposited On: | 20 May 2011 08:56 |
| Last Modified: | 17 Apr 2012 05:38 |
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