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Structure and magnetism of 4H-BaMnO3-x (0 <= x <= 0.35) and 4H-Ba0.5Sr0.5MnO3-x (0 <= x <= 0.21)

Abstract:

The synthesis and structure determination of 4H-BaMnO3-x (0≤x≤0.35) and 4H-Ba0.5Sr0.5MnO 3-x (0≤x≤0.21) is described. Neutron powder diffraction data unambiguously show the anion vacancies in the oxygen-deficient phases lie in the hexagonal BaO3-x layers, rather than the cubic layers predicted by previous structural models. The localization of anion vacancies in the hexagonal layers is discussed on the basis of the local co-ordination polyhedra of the metal cations. Low-temperature neutron di...

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Publication status:
Published

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Publisher copy:
10.1016/j.jssc.2005.09.046

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
Journal:
JOURNAL OF SOLID STATE CHEMISTRY More from this journal
Volume:
179
Issue:
1
Pages:
70-76
Publication date:
2006-01-01
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
Language:
English
Keywords:
Pubs id:
pubs:39822
UUID:
uuid:a95006a5-ed1f-462b-8b2c-148f8660dac6
Local pid:
pubs:39822
Source identifiers:
39822
Deposit date:
2012-12-19

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