Pradhan, Gopal K. ; Swain, Diptikanta ; Guru Row, Tayur N. ; Narayana, Chandrabhas (2009) High-temperature phase transition studies in a novel fast ion conductor, Na2Cd(SO4)2, probed by Raman spectroscopy The Journal of Physical Chemistry A, 113 (8). pp. 1505-1507. ISSN 1089-5639
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Official URL: https://pubs.acs.org/doi/abs/10.1021/jp808557x
Related URL: http://dx.doi.org/10.1021/jp808557x
Abstract
Temperature-dependent Raman spectroscopic studies were carried out on Na2Cd(SO4)2 from room temperature to 600°C. We observe two transitions at around 280 and 565°C. These transitions are driven by the change in the SO4 ion. On the basis of these studies, one can explain the changes in the conductivity data observed around 280 and 565°C. At 280°C, spontaneous tilting of the SO4 ion leads to restriction of Na+ mobility. Above 565°C, the SO4 ion starts to rotate freely, leading to increased mobility of Na+ ion in the channel.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 113659 |
| Deposited On: | 23 Apr 2018 11:08 |
| Last Modified: | 23 Apr 2018 11:08 |
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