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Andreev bound states in superconductor/ferromagnet point contact Andreev reflection spectra

Abstract:

As charge carriers traverse a single superconductor ferromagnet interface, they experience an additional spin-dependent phase angle that results in spin mixing and the formation of a bound state called the Andreev bound state. Here we explore whether point contact Andreev reflection can be used to detect the Andreev bound state and, within the limits of our experiment, we extract the resulting spin mixing angle. By examining spectra taken from La1.15Sr1.85Mn2O7-Pb junctions, together with a c...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.95.094516

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More from this funder
Name:
Leverhulme Trust
Grant:
RPG-2016-306
More from this funder
Name:
Engineering and Physical Sciences Research Council
Grant:
EP/N017242/1
Publisher:
American Physical Society
Journal:
Physical Review B More from this journal
Volume:
95
Issue:
9
Pages:
094516
Publication date:
2017-03-01
Acceptance date:
2016-12-09
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Keywords:
Pubs id:
pubs:689502
UUID:
uuid:22256aca-2bf6-44db-a28c-e5c97f997ddd
Local pid:
pubs:689502
Source identifiers:
689502
Deposit date:
2017-10-27

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