Stein, J., Baum, M., Holbein, S., Finger, T., Cronert, T., Toelzer, C., Froehlich, T., Biesenkamp, S., Schmalzl, K., Steffens, P., Lee, C. H. and Braden, M. (2017). Control of Chiral Magnetism Through Electric Fields in Multiferroic Compounds above the Long-Range Multiferroic Transition. Phys. Rev. Lett., 119 (17). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

Polarized neutron scattering experiments reveal that type-II multiferroics allow for controlling the spin chirality by external electric fields even in the absence of long-range multiferroic order. In the two prototype compounds TbMnO3 and MnWO4, chiral magnetism associated with soft overdamped electromagnons can be observed above the long-range multiferroic transition temperature T-MF, and it is possible to control it through an electric field. While MnWO4 exhibits chiral correlations only in a tiny temperature interval above T-MF, in TbMnO3 chiral magnetism can be observed over several kelvin up to the lock-in transition, which is well separated from T-MF.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Stein, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baum, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Holbein, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Finger, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cronert, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Toelzer, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Froehlich, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Biesenkamp, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmalzl, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Steffens, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lee, C. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Braden, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-213957
DOI: 10.1103/PhysRevLett.119.177201
Journal or Publication Title: Phys. Rev. Lett.
Volume: 119
Number: 17
Date: 2017
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
POLARIZATIONMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/21395

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