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Neutron diffraction study of the structural and electronic properties of Sr2HoMn2O7 and Sr2YMn2O7

Abstract:

The crystal structures of Sr2HoMn2O7 and Sr2YMn2O7 have been determined at 290 and 1.7 K from neutron and X-ray powder diffraction data. Both are distorted Ruddlesden-Popper structures formed by the intergrowth of rock-salt-like layers and perovskite-like blocks of tilted MnO6 octahedra (space group P42/mnm; for Ho at 290 Ka = 5.40388(5), c = 19.9050-(2) Å). The majority of the lanthanide cations are located in the rock-salt layers. Neither structure changes significantly on cooling to 1.7 K....

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Publication status:
Published

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Publisher copy:
10.1021/cm970431p

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Millburn, JE More by this author
Rosseinsky, MJ More by this author
Spring, LE More by this author
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Journal:
CHEMISTRY OF MATERIALS
Volume:
9
Issue:
12
Pages:
3136-3143
Publication date:
1997-12-05
DOI:
EISSN:
1520-5002
ISSN:
0897-4756
URN:
uuid:8bcc521a-df3d-4e6d-a5da-0592940d24d8
Source identifiers:
36352
Local pid:
pubs:36352
Language:
English

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