Universität zu Köln

Ackermann, M., Lorenz, T., Becker, P. and Bohaty, L. (2014). Magnetoelectric properties of A(2)[FeCl5(H2O)] with A = K, Rb, Cs. J. Phys.-Condes. Matter, 26 (50). BRISTOL: IOP PUBLISHING LTD. ISSN 1361-648X

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Abstract

The compounds A(2)[FeCl5(H2O)] with A = K, Rb, Cs are identified as new linear magnetoelectric (non-multiferroic) materials. We present a detailed investigation of their linear magnetoelectric properties through measurements of pyroelectric currents, dielectric constants and magnetization. The anisotropy of the linear magnetoelectric effect of the K-based and Rb-based compound is consistent with the magnetic point group m' m' m' , already reported in literature. A symmetry analysis of the magnetoelectric effect of the Cs-based compound allows us to determine the magnetic point group mmm' and to develop a model for its magnetic structure. In addition, magnetic-field versus temperature phase diagrams are derived and compared to the closely related multiferroic (NH4)(2)[FeCl5(H2O)].

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Ackermann, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lorenz, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Becker, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bohaty, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-420124
DOI:	10.1088/0953-8984/26/50/506002
Journal or Publication Title:	J. Phys.-Condes. Matter
Volume:	26
Number:	50
Date:	2014
Publisher:	IOP PUBLISHING LTD
Place of Publication:	BRISTOL
ISSN:	1361-648X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ANTIFERROMAGNET CS2FECL5.H2O Multiple languages Physics, Condensed Matter Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42012