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Study of Gd-doped Bi2Te3 thin films: Molecular beam epitaxy growth and magnetic properties

Abstract:

Incorporation of magnetic dopants into topological insulators to break time-reversal symmetry is a prerequisite for observing the quantum anomalous Hall (QAHE) effect and other novel magnetoelectric phenomena. GdBiTe3 with a Gd:Bi ratio of 1:1 is a proposed QAHE system, however, the reported solubility limit for Gd doping into Bi2Te3 bulk crystals is between ∼0.01 and 0.05. We present a magnetic study of molecular beam epitaxy grown (GdxBi1-x)2Te 3 thin films with a high Gd concentration, up ...

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Publication status:
Published

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Publisher copy:
10.1063/1.4861615

Authors


Harrison, SE More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Shelford, LR More by this author
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Journal:
JOURNAL OF APPLIED PHYSICS
Volume:
115
Issue:
2
Pages:
023904-023904
Publication date:
2014-01-14
DOI:
EISSN:
1089-7550
ISSN:
0021-8979
URN:
uuid:ea4981ea-7b53-454e-8f1b-e13e8a5f3522
Source identifiers:
446138
Local pid:
pubs:446138
Language:
English

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