Proximity induced room temperature ferromagnetism in graphene probed with spin currents

  title={Proximity induced room temperature ferromagnetism in graphene probed with spin currents},
  author={JohannesChristian Leutenantsmeyer and AlexeyAKaverzin},
  • JohannesChristian Leutenantsmeyer, AlexeyAKaverzin
  • Published 2016
Wepresent a directmeasurement of the exchange interaction in room temperature ferromagnetic graphene.We study the spin transport in exfoliated graphene on an yttrium–iron–garnet substrate where the observed spin precession clearly indicates the presence and strength of an exchange field that is an unambiguous evidence of induced ferromagnetism.Wedescribe the results with amodified Bloch diffusion equation and extract an average exchange field of the order of 0.2 T. Further, we demonstrate that… CONTINUE READING


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