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Open Access Publications from the University of California

Discovery of intrinsic ferromagnetism in two-dimensional van der waals crystals

  • Author(s): Gong, C
  • Li, L
  • Li, Z
  • Ji, H
  • Stern, A
  • Xia, Y
  • Cao, T
  • Bao, W
  • Wang, C
  • Wang, Y
  • Qiu, ZQ
  • Cava, RJ
  • Louie, SG
  • Xia, J
  • Zhang, X
  • et al.
Abstract

We report the experimental discovery of intrinsic ferromagnetism in Cr2Ge2Te6 atomic layers by scanning magneto-optic Kerr microscopy. In this 2D van der Waals ferromagnet, unprecedented control of transition temperature is realized via small magnetic fields.

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