Na2MoO2−δF4+δ – a perovskite with a unique combination of atomic orderings and octahedral tilts

Hajime Ishikawa; Irene Munaò; Bela E. Bode; Zenji Hiroi; Philip Lightfoot

doi:10.1039/C5CC05446J

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Na₂MoO_2−δF_4+δ – a perovskite with a unique combination of atomic orderings and octahedral tilts†

Hajime Ishikawa,‡^a Irene Munaò,‡^b Bela E. Bode,^b Zenji Hiroi^a and Philip Lightfoot*^b

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* Corresponding authors

^a Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan

^b School of Chemistry and EaStChem, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
E-mail: pl@st-and.ac.uk

Abstract

Na₂MoO_2−δF_4+δ (δ ∼ 0.08) displays a unique variant of the perovskite structure, with simultaneous (Na,vacancy) ordering on the A-site, (Na,Mo) ordering on the B-site, (O,F) ordering on the anion site and an unusual NaNbO₃-like octahedral tilt system.

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Article information

DOI: https://doi.org/10.1039/C5CC05446J
Article type: Communication
Submitted: 02 Jul 2015
Accepted: 03 Sep 2015
First published: 03 Sep 2015
This article is Open Access

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Chem. Commun., 2015,51, 15469-15471

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Na₂MoO_2−δF_4+δ – a perovskite with a unique combination of atomic orderings and octahedral tilts

H. Ishikawa, I. Munaò, B. E. Bode, Z. Hiroi and P. Lightfoot, Chem. Commun., 2015, 51, 15469 DOI: 10.1039/C5CC05446J

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Chemical Communications