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Experimental and density functional study of Mn doped Bi₂Te₃ topological insulator

Abstract:

We present a nanoscale structural and density functional study of the Mn doped 3D topological insulator Bi2Te3. X-ray absorption near edge structure show that Mn has valency of nominally 2+. Extended x-ray absorption fine structure spectroscopy in combination with electron energy loss spectroscopy (EELS) shows that Mn is a substitutional dopant of Bi and Te and also resides in the van der Waals gap between the quintuple layers of Bi2Te3. Combination of aberration-corrected scanningtransmissio...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1063/1.4971354

Authors


Ghasemi, A More by this author
Kepaptsoglou, D More by this author
Figueroa, AI More by this author
Naydenov, GA More by this author
Hasnip, PJ More by this author
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John Fell Oxford University Press Research Fund More from this funder
Publisher:
American Institute of Physics Publisher's website
Journal:
APL Materials Journal website
Volume:
4
Issue:
12
Pages:
126103-1
Publication date:
2016-12-05
Acceptance date:
2016-11-15
DOI:
ISSN:
2166-532X
Pubs id:
pubs:659709
URN:
uri:f6bde7d5-c0f9-43de-8506-41c08b7e9a14
UUID:
uuid:f6bde7d5-c0f9-43de-8506-41c08b7e9a14
Local pid:
pubs:659709
Keywords:

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