Magnetic Properties of Iron-Doped Bi2Se3, a Topological Insulator

E. V. Shevchenko, A. Sh Khachatryan, A. O. Antonenko, E. V. Charnaya, S. V. Naumov, V. V. Marchenkov, V. V. Chistyakov, M. K. Lee, L. J. Chang

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract: We study the dc magnetization of a Bi1.94Fe0.06Se3 single crystal in the temperature range of 1.9 to 400 K in applied magnetic fields up to 70 kOe for two sample orientations in the applied field. We register three magnetic phase transitions and observe considerable anisotropy of the magnetic properties. The coercive force varies with temperature in a nonmonotonic manner. For the sample in a paramagnetic state, we estimate its magnetic moment per iron atom; its Curie–Weiss temperature is found to be negative. Arrot–Belov plots are constructed.

Original languageEnglish
Pages (from-to)1037-1042
Number of pages6
JournalPhysics of the Solid State
Volume61
Issue number6
DOIs
Publication statusPublished - 2019 Jun 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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