Local strain, structured diffuse scattering and oxygen/fluorine ordering in transition metal oxyfluorides

Ray L. Withers; Frank J. Brink; Lasse Norén; T. Richard Welberry; Yun Liu

doi:10.1080/00150190490462540

Local strain, structured diffuse scattering and oxygen/fluorine ordering in transition metal oxyfluorides

Ray L. Withers^*, Frank J. Brink, Lasse Norén, T. Richard Welberry, Yun Liu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Conventional crystal structure refinements commonly report'randomanion site occupancies for the anion, or X, site positions of many metal oxyfluoride phases despite compelling evidence suggesting there must exist at least local O/F ordering. Diffraction evidence for such local ordering has been found to exist in a range of oxyfluorides in the form of structured diffuse scattering, typically a consequence of the correlated displacive relaxation of the cations induced by local O/F ordering.

Original language	English
Pages (from-to)	123-126
Number of pages	4
Journal	Ferroelectrics
Volume	305
DOIs	https://doi.org/10.1080/00150190490462540
Publication status	Published - 1 Jan 2004

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10.1080/00150190490462540

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title = "Local strain, structured diffuse scattering and oxygen/fluorine ordering in transition metal oxyfluorides",

abstract = "Conventional crystal structure refinements commonly report'randomanion site occupancies for the anion, or X, site positions of many metal oxyfluoride phases despite compelling evidence suggesting there must exist at least local O/F ordering. Diffraction evidence for such local ordering has been found to exist in a range of oxyfluorides in the form of structured diffuse scattering, typically a consequence of the correlated displacive relaxation of the cations induced by local O/F ordering.",

keywords = "Correlated displacive relaxation, Induced structured diffuse scattering, Local strain and O/F ordering",

author = "Withers, {Ray L.} and Brink, {Frank J.} and Lasse Nor{\'e}n and Welberry, {T. Richard} and Yun Liu",

year = "2004",

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AU - Withers, Ray L.

AU - Brink, Frank J.

AU - Norén, Lasse

AU - Welberry, T. Richard

AU - Liu, Yun

PY - 2004/1/1

Y1 - 2004/1/1

N2 - Conventional crystal structure refinements commonly report'randomanion site occupancies for the anion, or X, site positions of many metal oxyfluoride phases despite compelling evidence suggesting there must exist at least local O/F ordering. Diffraction evidence for such local ordering has been found to exist in a range of oxyfluorides in the form of structured diffuse scattering, typically a consequence of the correlated displacive relaxation of the cations induced by local O/F ordering.

AB - Conventional crystal structure refinements commonly report'randomanion site occupancies for the anion, or X, site positions of many metal oxyfluoride phases despite compelling evidence suggesting there must exist at least local O/F ordering. Diffraction evidence for such local ordering has been found to exist in a range of oxyfluorides in the form of structured diffuse scattering, typically a consequence of the correlated displacive relaxation of the cations induced by local O/F ordering.

KW - Correlated displacive relaxation

KW - Induced structured diffuse scattering

KW - Local strain and O/F ordering

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U2 - 10.1080/00150190490462540

DO - 10.1080/00150190490462540

M3 - Article

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VL - 305

SP - 123

EP - 126

JO - Ferroelectrics

JF - Ferroelectrics

ER -

Local strain, structured diffuse scattering and oxygen/fluorine ordering in transition metal oxyfluorides

Abstract

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