Na2MoO(2-δ)F(4+δ)--a perovskite with a unique combination of atomic orderings and octahedral tilts.
Na2MoO2-δF4+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.
Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan.
Hajime
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Ishikawa
Irene
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Munaò
Bela E
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Bode
Zenji
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Hiroi
Philip
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Lightfoot