Issue 5, 2001
From the journal:

Journal of Materials Chemistry

A. J. Wright,a   H. M. Palmer,a   P. A. Andersona  and  C. Greaves*a  

* Corresponding authors

a School of Chemistry, University of Birmingham, Birmingham, UK
E-mail: c.greaves@bham.ac.uk

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).

Graphical abstract: Synthesis and structure of SrMnGaO, a new layered manganese oxide

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Article information

DOI
https://doi.org/10.1039/B100358P
Article type
Communication
Submitted
09 Jan 2001
Accepted
27 Feb 2001
First published
09 Mar 2001

J. Mater. Chem., 2001,11, 1324-1326

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Synthesis and structure of Sr2MnGaO5, a new layered manganese oxide

A. J. Wright, H. M. Palmer, P. A. Anderson and C. Greaves, J. Mater. Chem., 2001, 11, 1324 DOI: 10.1039/B100358P

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