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Synthesis and magnetic structure of the layered manganese oxide selenide Sr2MnO2Ag1.5Se2

Abstract:

The synthesis of a high-purity sample of the layered oxide selenide Sr2MnO2Ag1.5Se2 is reported. At ambient temperature it crystallises in the space group I4/mmm with two formula units in the unit cell and lattice parameters a = 4.08771(1) Å, c = 19.13087(8) Å. The compound displays mixed-valent manganese in a formal oxidation state close to +2.5 and powder neutron diffraction measurements reveal that below the Néel temperature of 63(1) K this results in an antiferromagnetic structure which m...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
More from this funder
Name:
Engineering and Physical Sciences Research Council
Grant:
EP/M020517/1
More from this funder
Name:
Diamond Light Source Ltd
Funding agency for:
Blandy, J
Publisher:
Elsevier
Journal:
Journal of Solid State Chemistry More from this journal
Volume:
245
Pages:
61–66
Publication date:
2016-01-01
Acceptance date:
2016-10-09
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
Keywords:
Pubs id:
pubs:648539
UUID:
uuid:abdab790-16b7-43b4-9875-0dd2e80ccfd3
Local pid:
pubs:648539
Source identifiers:
648539
Deposit date:
2016-10-10

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