Te
Ye, M.*; Li, W.*; Zhu, S.-Y.*; Takeda, Yukiharu 
; Saito, Yuji ; Wang, J.*; Pan, H.*; Nurmamat, M.*; Sumida, Kazuki*; Ji, F.*; Liu, Z.*; Yang, H.*; Liu, Z.*; Shen, D.*; Kimura, Akio*; Qiao, S.*; Xie, X.*
Magnetically doped topological insulators are predicted to exhibit exotic phenomena including the quantized anomalous Hall effect and a dissipationless transport, which facilitate the development of low-power-consumption devices using electron spins. The realization of the quantized anomalous Hall effect is so far restricted to the Cr-doped (Sb,Bi)Te system at extremely low temperature; however, the microscopic origin of its ferromagnetism is poorly understood. Here we present an element-resolved study for Cr-doped (Sb,Bi)Te using X-ray magnetic circular dichroism to unambiguously show that the long-range magnetic order is mediated by the p-hole carriers of the host lattice, and the interaction between the Sb(Te) p and Cr d states is crucial.
Language |
: | English |
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Volume |
: | 6 |
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Pages |
: | p.8913_1 - 8913_7 |
Publication Year/Month |
: | 2015/11 |
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Article of JAEA R&D Review |
: | Unmasking the Ferromagnetism in Magnetically-Doped Topological Insulators; Toward Ultra-Low Power-Consumption Spintronic Devices[ |
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Percentile:89.95 Category:Multidisciplinary Sciences |
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