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Magnetic proximity-coupling to Cr-doped Sb₂Te₃ thin films

Abstract:

Using soft x-ray absorption spectroscopy we determined the chemical and magnetic properties of the magnetic topological insulator (MTI) Cr:Sb2Te3. X-ray magnetic circular dichroism (XMCD) at the Cr L2,3, Te M4,5, and Sb M4,5 edges shows that the Te 5p moment is aligned antiparallel to both the Cr 3d and Sb 5p moments, which is characteristic for carrier-mediated ferromagnetic coupling. Comparison of the Cr L2,3 spectra with multiplet calculations indicates a hybridized Cr state, consistent wi...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.95.224422

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Funding agency for:
Duffy, L
Grant:
Doctoral Training Award
John Fell Fund More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review B: Condensed Matter and Materials Physics Journal website
Volume:
95
Pages:
224422
Publication date:
2017-05-01
Acceptance date:
2017-05-24
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Source identifiers:
697047
Keywords:
Pubs id:
pubs:697047
UUID:
uuid:1d10cc5c-a060-4b4a-bbfd-caa05306b449
Local pid:
pubs:697047
Deposit date:
2017-05-24

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