- Abstract:
-
The phase composition of two series of mixed Nb5+-Sb5+ double perovskites formed between the pairs Ba2EuNbO6-Ba2PrSbO6 and Ba2NdSbO6-Ba2NdNbO6 have been studied using synchrotron X-ray powder diffraction methods. In both series extensive phase segregation is observed demonstrating limited solubility of Sb5+ in these Nb5+ perovskites, irrespective of the precise structures of the double perovskite. Evidence for a monoclinic I2/m phase in the series formed between tetragonal I4/m Ba2EuNbO6 and ...
Expand abstract - Publisher copy:
- 10.1016/j.jssc.2007.11.035
-
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- Journal:
- Journal of Solid State Chemistry
- Volume:
- 181
- Issue:
- 2
- Pages:
- 298-305
- Publication date:
- 2008-02-05
- DOI:
- EISSN:
-
1095-726X
- ISSN:
-
0022-4596
- URN:
-
uuid:68e838d4-d90c-4078-bfad-43f1fd12384d
- Source identifiers:
-
289677
- Local pid:
- pubs:289677
- Language:
- English
- Keywords:
- Copyright date:
- 2008
Journal article
Phase segregation in mixed Nb-Sb double perovskites Ba2LnNb1-xSbxO6
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