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High-pressure synthesis, structures, and properties of trivalent A-site-ordered quadruple perovskites RMn7O12 (R = Sm, Eu, Gd, and Tb)

Abstract:

A-site-ordered quadruple perovskites RMn7O12 with R = Sm, Eu, Gd, and Tb were synthesized at high pressure and high temperature (6 GPa and ∼1570 K), and their structural, magnetic, and dielectric properties are reported. They crystallize in space group I2/ m at room temperature. All four compounds exhibit a high-temperature phase transition to the cubic Im3̅ structure at ∼664 K (Sm), 663 K (Eu), 657 K (Gd), and 630 K (Tb). They all show one magnetic transition at TN1 ≈ 82-87 K at zero magneti...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1021/acs.inorgchem.8b00479

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
Khalyavin, DD More by this author
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Japan Society for the Promotion of Science More from this funder
Royal Society More from this funder
Publisher:
American Chemical Society Publisher's website
Journal:
Inorganic Chemistry Journal website
Volume:
57
Issue:
10
Pages:
5987–5998
Publication date:
2018-05-03
Acceptance date:
2018-04-26
DOI:
EISSN:
1520-510X
ISSN:
0020-1669
Pubs id:
pubs:846173
URN:
uri:89f1b957-da75-4e7b-9d83-5b04353d1642
UUID:
uuid:89f1b957-da75-4e7b-9d83-5b04353d1642
Local pid:
pubs:846173
Language:
English

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