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Högl, Petra ; Matos-Abiague, Alex ; Zutic, Igor ; Fabian, Jaroslav

Magnetoanisotropic Andreev Reflection in Ferromagnet-Superconductor Junctions

Högl, Petra, Matos-Abiague, Alex, Zutic, Igor and Fabian, Jaroslav (2015) Magnetoanisotropic Andreev Reflection in Ferromagnet-Superconductor Junctions. Physical Review Letters (PRL) 115, p. 116601.

Date of publication of this fulltext: 28 Nov 2016 13:02
Article
DOI to cite this document: 10.5283/epub.34906


Abstract

Andreev reflection spectroscopy of ferromagnet-supercondutor (FS) junctions is an important probe of spin polarization. We theoretically investigate spin-polarized transport in FS junctions in the presence of Rashba and Dresselhaus interfacial spin-orbit fields and show that Andreev reflection can be controlled by changing the magnetization orientation. We predict a giant in-and out-of-plane ...

Andreev reflection spectroscopy of ferromagnet-supercondutor (FS) junctions is an important probe of spin polarization. We theoretically investigate spin-polarized transport in FS junctions in the presence of Rashba and Dresselhaus interfacial spin-orbit fields and show that Andreev reflection can be controlled by changing the magnetization orientation. We predict a giant in-and out-of-plane magnetoanisotropy of the junction conductance. If the ferromagnet is highly spin polarized-in the half-metal limit-the magnetoanisotropic Andreev reflection depends universally on the spin-orbit fields only. Our results show that Andreev reflection spectroscopy can be used for sensitive probing of interfacial spin-orbit fields in a FS junction.



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Details

Item typeArticle
Journal or Publication TitlePhysical Review Letters (PRL)
Publisher:AMER PHYSICAL SOC
Open Access Type:Due to SHERPA/RoMEO
Place of Publication:COLLEGE PK
Volume:115
Page Range:p. 116601
Date2015
InstitutionsPhysics > Institute of Theroretical Physics
Identification Number
ValueType
10.1103/PhysRevLett.115.116601DOI
KeywordsUNCONVENTIONAL SUPERCONDUCTORS; MAJORANA FERMIONS; SPIN POLARIZATION; TRANSPORT; SPINTRONICS; NANOWIRE; STATES;
Dewey Decimal Classification500 Science > 530 Physics
StatusPublished
RefereedYes, this version has been refereed
Created at the University of RegensburgYes
URN of the UB Regensburgurn:nbn:de:bvb:355-epub-349063
Item ID34906

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