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Ferroelectricity and lattice distortion associated with spin orderings in a multiferroic delafossite AgFeO2

Abstract:
Spin-lattice coupling and ferroelectric polarization associated with the magnetic ordering in a geometrically frustrated delafossite AgFeO2 have been studied by high resolution neutron powder diffraction and dielectric measurements. The cycloidal magnetic ground state found in this material and the character of the lattice distortions are unprecedented in the family of the delafossite compounds, implying a peculiar mechanism lifting the geometrical frustration. © 2013 Owned by the authors, published by EDP Sciences.

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Publisher copy:
10.1051/epjconf/20134015008

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Journal:
EPJ Web of Conferences
Volume:
40
Pages:
15008-15008
Publication date:
2013-01-01
DOI:
EISSN:
2100-014X
ISSN:
2101-6275
URN:
uuid:aadb0090-6e29-4e48-a80b-1290aaa2899e
Source identifiers:
379470
Local pid:
pubs:379470
Language:
English

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