Thin films of magnetically doped topological insulator with carrier-independent long-range ferromagnetic order

Cui Zu Chang, Jinsong Zhang, Minhao Liu, Zuocheng Zhang, Xiao Feng, Kang Li, Li Li Wang, Xi Chen, Xi Dai, Zhong Fang, Xiao Liang Qi, Shou Cheng Zhang, Yayu Wang, Ke He, Xu Cun Ma, Qi Kun Xue

Research output: Contribution to journalArticlepeer-review

179 Scopus citations

Abstract

Thin films of magnetically doped topological insulators Cr 0.22(BixSb1-x)1.78Te3 are found to possess carrier-independent long-range ferromagnetic order with perpendicular magnetic anisotropy. The anomalous Hall resistance is greatly enhanced, up to one quarter of quantum Hall resistance, by depletion of the carriers. The results demonstrate this material as a promising system to realize the quantized anomalous Hall effect.

Original languageEnglish (US)
Pages (from-to)1065-1070
Number of pages6
JournalAdvanced Materials
Volume25
Issue number7
DOIs
StatePublished - Feb 20 2013

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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