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Interfacial exchange-coupling induced chiral symmetry breaking of spin-orbit effects

Author
Perna, Paolo; Ajejas, F.; Maccariello, D.; Fernandez Cuñado, J. L.; Guerrero, R.; Niño, Miguel Ángel; Bollero, A.; Miranda Soriano, Rodolfountranslated; Camarero de Diego, Juliountranslated
Entity
UAM. Departamento de Física de la Materia Condensada
Publisher
American Physical Society
Date
2015-12-29
Citation
Physical Review B - Condensed Matter and Materials Physics 92.32 (2015): 220422
ISSN
1098-0121 (print); 1550-235X (online)
DOI
10.1103/PhysRevB.92.220422
Funded by
This work was supported in part by the Spanish MINECO through Projects No. MAT2012-39308, No. FIS2013-40667-P, No. MAT2011-25598, and No. MAT2014-52477-C5-3-P, and by the Comunidad de Madrid through Project No. S2013/MIT-2850 (NANOFRONTMAG-CM). P.P. and A.B. acknowledge support through the Marie Curie AMAROUT EU Programme, and through MINECO “Juan de la Cierva” (JCI-2011-09602) and “Ramón y Cajal” contracts
Project
Gobierno de España. MAT2012-39308; Gobierno de España. FIS2013-40667- P; Gobierno de España. MAT2011-25598; Gobierno de España. MAT2014-52477-C5-3- P; Comunidad de Madrid. S2013/MIT-2850/NANOFRONTMAG-CM
Editor's Version
http://dx.doi.org/10.1103/PhysRevB.92.220422
Subjects
Interfacial exchange coupling; Spin-orbit; Unidirectional magnetic; Similar asymmetric; SO-driven phenomena; Física
URI
http://hdl.handle.net/10486/672615
Rights
©2015 American Physical Society

Abstract

We demonstrate that the interfacial exchange coupling in ferromagnetic/antiferromagnetic (FM/AFM) systems induces symmetry breaking of the spin-orbit (SO) effects. This has been done by studying the field and angle dependencies of anisotropic magnetoresistance and vectorial-resolved magnetization hysteresis loops, measured simultaneously and reproduced with numerical simulations. We show how the induced unidirectional magnetic anisotropy at the FM/AFM interface results in strong asymmetric transport behaviors, which are chiral around the magnetization hard-axis direction. Similar asymmetric features are anticipated in other SO-driven phenomena
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Google™ Scholar:Perna, Paolo - Ajejas, F. - Maccariello, D. - Fernandez Cuñado, J. L. - Guerrero, R. - Niño, Miguel Ángel - Bollero, A. - Miranda Soriano, Rodolfo - Camarero de Diego, Julio

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