期刊
APL MATERIALS
卷 4, 期 8, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4960111
关键词
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资金
- National Natural Science Foundation of China
- Ministry of Science and Technology of People's Republic of China
- Chinese Academy of Sciences
With molecular beam epitaxy we have grown Cry(BixSb1-x)(2-y)Te-3 thin films with homogeneous distribution of Cr dopants and Curie temperature up to 77 K. The films with Cr concentration y >= 0.39 are found to be topologically trivial, highly insulating ferromagnets, whose conductivity can be tuned over two orders of magnitude by gate voltage. The ferromagnetic insulators with electrically tunable conductivity can be used to realize the quantum anomalous Hall effect at higher temperature in topological insulator heterostructures and to develop field effect devices for spintronic applications. (C) 2016 Author(s).
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