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Magnetic proximity-enhanced Curie temperature of Cr-doped Bi2Se3 thin films

Abstract:

We report a study on the transition temperature, T_C, of a Cr-doped Bi2Se3 topological insulator thin film, where an increase in the ferromagnetic onset can provide a pathway towards low-power spintronics applications. Arrott plots, obtained by Cr L_2,3 x-ray magnetic circular dichroism as a function of field at various low temperatures, give a T_C ~7 K. This is similar to the bulk value of the sample, which means that there is no indication the spontaneous magnetization is different near the...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.92.094420

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Funding agency for:
Hesjedal, T
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review B Journal website
Volume:
92
Issue:
9
Pages:
Article: 094420
Publication date:
2015-01-01
DOI:
EISSN:
1550-235X
ISSN:
0556-2805
URN:
uuid:d6dfdc0f-8ad2-4d12-a8ff-34ce0b713530
Source identifiers:
541269
Local pid:
pubs:541269

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