Mössbauer effect study of Cs2Fe(57Co)O4
✍ Scribed by Nikolai Kopelev; Leonid Kulikov; Yurii Perfil'ev
- Book ID
- 112685736
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 243 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0304-3843
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## Abstract The Mössbauer emission spectrum of ^57^Co in CoFe~2~O~4~ is reported. Electron capture leads to the formation of ^57^Fe^3+^ substituting ^57^Co^2+^. The stabilization of the aliovalent charge state is consistent with an electrostatic model.
57Co emission M6ssbauer measurements have been performed for YBa2Cu306.92 (1-2-307) as well as YBa2Cu306.O (1-2-306) at room temperature and compared with the results from 57Fe absorber experiments reported previously. It is found that the Co atoms mainly substitute Cul chain sites in 1-2-307 but ab