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Proceedings Paper

Crystal, magnetic and dielectric studies of the 2D antiferromagnet: β-NaMnO2
Author(s): Ionna Bakaimi; Artem Abakumov; Mark A. Green; Alexandros Lappas
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Paper Abstract

In this paper we present our recent studies on the crystal, magnetic and dielectric properties of the β-NaMnO2. Experimental results of neutron powder and electron diffraction combined with measurements of the dielectric permittivity suggest that the β-ΝaMnO2 is an excellent candidate for studying the coupling between the magnetic and electric degrees of freedom. Neutron powder diffraction data reveal the existence of a commensurate and an incommensurate magnetic structure at 200 K and below 100 K, respectively. Dielectric anomalies which appear at the temperature regions where the two magnetic structures emerge, indicate the appearance of magnetodielectric coupling.

Paper Details

Date Published: 8 March 2014
PDF: 7 pages
Proc. SPIE 8987, Oxide-based Materials and Devices V, 898716 (8 March 2014); doi: 10.1117/12.2036937
Show Author Affiliations
Ionna Bakaimi, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)
Artem Abakumov, Univ. Antwerpen (Belgium)
Mark A. Green, National Institute of Standards and Technology (United States)
Univ. of Kent (United Kingdom)
Alexandros Lappas, Foundation for Research and Technology-Hellas (Greece)


Published in SPIE Proceedings Vol. 8987:
Oxide-based Materials and Devices V
Ferechteh H. Teherani; David C. Look; David J. Rogers, Editor(s)

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