Issue 2, 2001
From the journal:

Journal of Materials Chemistry

Andrew L. Hector,a   John A. Hutchings,b   Richard L. Needs,a   Michael F. Thomasb  and  Mark T. Weller*a  

* Corresponding authors

a Department of Chemistry, University of Southampton, Highfield, Southampton, UK

b Department of Physics, University of Liverpool, Oxford Street, Liverpool, UK
E-mail: mtw@soton.ac.uk

Abstract

The structures of Sr2FeO3F, Sr2FeO3Cl and Sr2FeO3Br have been investigated using powder neutron diffraction (PND). All three ferrates crystallise in the primitive tetragonal space group P4/nmm and the anions are fully ordered giving iron oxygen square pyramids separated by rock salt type layers of strontium halide. 57Fe Mössbauer data have been collected and confirm one iron(III) site of distorted octahedral geometry in all three structures. Variable temperature PND data have been used to determine the √2a × 2c magnetic superstructure of Sr2FeO3F.

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Article information

DOI
https://doi.org/10.1039/B008321F
Article type
Paper
Submitted
16 Oct 2000
Accepted
30 Oct 2000
First published
19 Dec 2000

J. Mater. Chem., 2001,11, 527-532

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Structural and Mössbauer study of Sr2FeO3X (X = F, Cl, Br) and the magnetic structure of Sr2FeO3F

A. L. Hector, J. A. Hutchings, R. L. Needs, M. F. Thomas and M. T. Weller, J. Mater. Chem., 2001, 11, 527 DOI: 10.1039/B008321F

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