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Complex structural phase transitions of the hybrid improper polar Dion–Jacobson Oxides RbNdM2O7 and CsNdM2O7 (M = Nb, Ta)

Abstract:

Recently, there has been much interest in hybrid improper ferroelectrics materials that adopt polar, ferroelectric structures due to a complex tilting and twisting of the MO6 octahedra which constitute perovskite and related structures. Using a combination of synchrotron X-ray powder diffraction (XRD) and high-resolution neutron powder diffraction data, the temperature-dependent phase transitions of a series of n = 2 Dion–Jacobson oxides have been investigated. RbNdM2O7 undergoes a transition...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acs.chemmater.0c01304

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
More by this author
Role:
Author
ORCID:
0000-0001-5026-5574
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
ORCID:
0000-0002-6248-2063
Publisher:
American Chemical Society
Journal:
Chemistry of Materials More from this journal
Volume:
32
Issue:
10
Pages:
4340–4346
Publication date:
2020-04-23
Acceptance date:
2020-04-23
DOI:
EISSN:
1520-5002
ISSN:
0897-4756
Language:
English
Keywords:
Pubs id:
1103577
Local pid:
pubs:1103577
Deposit date:
2020-05-11

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