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Mechanism of Néel Order Switching in Antiferromagnetic Thin Films Revealed by Magnetotransport and Direct Imaging
- Source :
- Sygma, arXiv.org e-Print Archive, Datacite, UnpayWall, ORCID, Microsoft Academic Graph, Physical Review Letters
- Publication Year :
- 2019
-
Abstract
- We probe the current-induced magnetic switching of insulating antiferromagnet/heavy metals systems, by electrical spin Hall magnetoresistance measurements and direct imaging, identifying a reversal occurring by domain wall (DW) motion. We observe switching of more than one third of the antiferromagnetic domains by the application of current pulses. Our data reveal two different magnetic switching mechanisms leading together to an efficient switching, namely the spin-current induced effective magnetic anisotropy variation and the action of the spin torque on the DWs.<br />26 pages, including supplementary material
- Subjects :
- Condensed Matter - Materials Science
Materials science
Magnetoresistance
Condensed matter physics
Materials Science (cond-mat.mtrl-sci)
FOS: Physical sciences
General Physics and Astronomy
Large scale facilities for research with photons neutrons and ions
Direct imaging
01 natural sciences
3. Good health
Magnetic anisotropy
Order (biology)
Domain wall (magnetism)
0103 physical sciences
Torque
Antiferromagnetism
Condensed Matter::Strongly Correlated Electrons
Thin film
010306 general physics
Spin-½
Subjects
Details
- Language :
- English
- ISSN :
- 10797114 and 00319007
- Volume :
- 123
- Issue :
- 0031-9007
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters
- Accession number :
- edsair.doi.dedup.....ce547158d4d7661c181cbb7528d3c18c
- Full Text :
- https://doi.org/10.1103/physrevlett.123.177201