Li, Xiaokang, Collignon, Clement, Xu, Liangcai ORCID: 0000-0003-4366-3392, Zuo, Huakun, Cavanna, Antonella ORCID: 0000-0003-0366-4243, Gennser, Ulf ORCID: 0000-0003-2423-2140, Mailly, Dominique, Fauque, Benoit, Balents, Leon, Zhu, Zengwei and Behnia, Kamran ORCID: 0000-0001-8997-5645 (2019). Chiral domain walls of Mn3Sn and their memory. Nat. Commun., 10. LONDON: NATURE PUBLISHING GROUP. ISSN 2041-1723

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Abstract

Magnetic domain walls are topological solitons whose internal structure is set by competing energies which sculpt them. In common ferromagnets, domain walls are known to be of either Bloch or Neel types. Little is established in the case of Mn3Sn, a triangular antiferro-magnet with a large room-temperature anomalous Hall effect, where domain nucleation is triggered by a well-defined threshold magnetic field. Here, we show that the domain walls of this system generate an additional contribution to the Hall conductivity tensor and a transverse magnetization. The former is an electric field lying in the same plane with the magnetic field and electric current and therefore a planar Hall effect. We demonstrate that in-plane rotation of spins inside the domain wall would explain both observations and the clockwise or anticlockwise chirality of the walls depends on the history of the field orientation and can be controlled.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Li, XiaokangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Collignon, ClementUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, LiangcaiUNSPECIFIEDorcid.org/0000-0003-4366-3392UNSPECIFIED
Zuo, HuakunUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cavanna, AntonellaUNSPECIFIEDorcid.org/0000-0003-0366-4243UNSPECIFIED
Gennser, UlfUNSPECIFIEDorcid.org/0000-0003-2423-2140UNSPECIFIED
Mailly, DominiqueUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fauque, BenoitUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Balents, LeonUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zhu, ZengweiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Behnia, KamranUNSPECIFIEDorcid.org/0000-0001-8997-5645UNSPECIFIED
URN: urn:nbn:de:hbz:38-135328
DOI: 10.1038/s41467-019-10815-8
Journal or Publication Title: Nat. Commun.
Volume: 10
Date: 2019
Publisher: NATURE PUBLISHING GROUP
Place of Publication: LONDON
ISSN: 2041-1723
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
Multidisciplinary SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/13532

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