Bhide, V. G. ; Rajoria, D. S. ; Reddy, Y. S. ; Rama Rao, G. ; Subba Rao, G. V. ; Rao, C. N. R. (1972) Localized-to-itinerant electron transitions in rare-earth cobaltates Physical Review Letters, 28 (17). pp. 1133-1136. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v28/i17/p1133_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.28.1133
Abstract
Mossbauer studies show that cobalt ions in LaCoO3 exist predominantly in the low-spin CoIII state at low temperatures and partially transform to the high-spin Co3+ state up to 200 K. Above 200 K, CoII and Co4+ ions are formed by the transfer of d electrons from Co3+ to CoIII; Co3+ ions completely disappear at the first-order localized-to-itinerant electron transition temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 4998 |
| Deposited On: | 18 Oct 2010 05:37 |
| Last Modified: | 26 May 2011 09:12 |
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