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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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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
More from this funder
Name:
Engineering and Physical Sciences Research Council Research Council
Funding agency for:
Duffy, L
Grant:
Doctoral Training Award
More from this funder
Name:
Science and Technology Facilities Council
Funding agency for:
Duffy, L
Grant:
Doctoral Training Award
Publisher:
American Physical Society
Journal:
Physical Review B: Condensed Matter and Materials Physics More from this journal
Volume:
95
Pages:
224422
Publication date:
2017-05-01
Acceptance date:
2017-05-24
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Keywords:
Pubs id:
pubs:697047
UUID:
uuid:1d10cc5c-a060-4b4a-bbfd-caa05306b449
Local pid:
pubs:697047
Source identifiers:
697047
Deposit date:
2017-05-24

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