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Structural characterisation of the perovskite series SrxCa1-x-yNdyMnO3: Influence of the Jahn-Teller effect

Abstract:

The crystal structures of the perovskite manganites SrxCa1-x-yNdyMnO3 with y=0.1 or 0.2 have been investigated using synchrotron X-ray powder diffraction. At room temperature the structures change from Pm over(3, -) m ↔ I 4 / mcm ↔ Pbnm depending on the cation distribution, the different structures exhibiting different tilts of the MnO6 octahedra. High temperature diffraction measurements demonstrate the presence of, an apparently continuous, isosymmetric I4/mcm to I4/mcm phase transition ass...

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Publisher copy:
10.1016/j.jssc.2009.07.041

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
Journal:
Journal of Solid State Chemistry
Volume:
182
Issue:
10
Pages:
2858-2866
Publication date:
2009-10-05
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
URN:
uuid:f005602e-e94a-4d75-affe-057a8afb8cef
Source identifiers:
296375
Local pid:
pubs:296375

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