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The quantum anomalous Hall effect (QAHE) that emerges under broken time-reversal symmetry in topological insulators (TIs) exhibits many fascinating physical properties for potential applications in nanoelectronics and spintronics. However, in

The quantum anomalous Hall effect (QAHE) that emerges under broken time-reversal symmetry in topological insulators (TIs) exhibits many fascinating physical properties for potential applications in nanoelectronics and spintronics. However, in transition metal–doped TIs, the only experimentally demonstrated QAHE system to date, the QAHE is lost at practically relevant temperatures. This constraint is imposed by the relatively low Curie temperature (T[subscript c]) and inherent spin disorder associated with the random magnetic dopants.

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    Date Created
    • 2017-06-23
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    • Digital object identifier: 10.1126/sciadv.1700307
    • Identifier Type
      International standard serial number
      Identifier Value
      2375-2548
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    Tang, C., Chang, C., Zhao, G., Liu, Y., Jiang, Z., Liu, C., . . . Shi, J. (2017). Above 400-K robust perpendicular ferromagnetic phase in a topological insulator. Science Advances, 3(6). doi:10.1126/sciadv.1700307

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