Symmetry and the Role of the Anion Sublattice in Aurivillius Oxyfluoride Bi2TiO4F2 | Zendy

A. T. Giddings | Zendy; Euan A. S. Scott | Zendy; Martin C. Stennett | Zendy; David C. Apperley | Zendy; C. Greaves | Zendy; Neil C. Hyatt | Zendy; Emma E. McCabe | Zendy

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Symmetry and the Role of the Anion Sublattice in Aurivillius Oxyfluoride Bi₂TiO₄F₂

Author(s) -

A. T. Giddings,

Euan A. S. Scott,

Martin C. Stennett,

David C. Apperley,

C. Greaves,

Neil C. Hyatt,

Emma E. McCabe

Publication year - 2021

Publication title -

inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 233

eISSN - 1520-510X

pISSN - 0020-1669

DOI - 10.1021/acs.inorgchem.1c01933

Subject(s) - aurivillius , chemistry , symmetry (geometry) , ion , rietveld refinement , point reflection , crystallography , dielectric , local symmetry , crystal structure , condensed matter physics , physics , ferroelectricity , optoelectronics , quantum mechanics , geometry , mathematics , organic chemistry

The photocatalytic and dielectric behaviors of Aurivillius oxyfluorides such as Bi 2 TiO 4 F 2 depend sensitively on their crystal structure and symmetry but these are not fully understood. Our experimental work combined with symmetry analysis demonstrates the factors that influence anion order and how this might be tuned to break inversion symmetry. We explore an experimental approach to explore anion order, which combines Rietveld analysis with strain analysis.

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