Synthesis and structure of Sr2MnGaO5, a new layered manganese oxide

Wright, Adrian J., Palmer, Helen M., Anderson, Paul A. and Greaves, Colin (2001) Synthesis and structure of Sr2MnGaO5, a new layered manganese oxide. Journal of Materials Chemistry, 11 (5). pp. 1324-1326. ISSN 0959-9428

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Abstract

A new layered manganese oxide, Sr2MnGaO5, has been synthesised and Rietveld analysis of X-ray powder diffraction data has shown it to be an oxygen deficient perovskite with the brownmillerite structure: a = 5.5033(6) Å, b = 16.234(2) Å, c = 5.3717(6) Å. Incomplete order of the oxygen vacancies is best described using the space group Icmm. The oxygen content can readily be varied to form Sr2MnGaO5+δ (0≤δ≤0.5) to provide Mn oxidation states between Mn(III) and Mn(IV).

Item Type: Article
Uncontrolled Keywords: chemistry(all),materials chemistry ,/dk/atira/pure/subjectarea/asjc/1600
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
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Depositing User: LivePure Connector
Date Deposited: 12 Nov 2019 14:32
Last Modified: 22 Apr 2020 08:22
URI: https://ueaeprints.uea.ac.uk/id/eprint/72946
DOI: 10.1039/b100358p

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