Characterization of itinerant ferromagnet Fe<sub>3</sub>GeTe<sub>2</sub>

POSTER

Abstract

I present the results of characterization of bulk single-crystals of Fe3GeTe2, an itinerant Ising ferromagnet with a layered, hexagonal crystal structure and bulk magnetic ordering below Tc ~ 221K. Comprehensive magnetization and electrical transport measurements reveal a large magnetic anisotropy with an out-of-plane easy axis and a pronounced anomalous hall effect (AHE). Angle resolved magneto-transport measurements and first-order reversal magnetization curve measurements identify relevant scattering mechanisms and probe the behavior of magnetic domains during saturation. The links between the large AHE response and the topological properties of the band structure and concepts of Berry curvature are discussed.

*Funding for this research was provided by the UW Molecular Engineering Materials Center, a NSF MRSEC under award number DMR-1719797.

Presenters

  • Paul Malinowski

    • Physics, Univ of Washington

Authors

  • Paul Malinowski

    • Physics, Univ of Washington
  • Zaiyao Fei

    • Physics, Univ of Washington
  • Bevin Huang

    • Univ of Washington
    • Physics, Univ of Washington
    • University of Washington
  • Xiaodong Xu

    • University of Washington
    • Univ of Washington
    • Physics, Univ of Washington
    • Department of Physics, University of Washington
    • Physics, University of Washington
    • Physics, and Materials Science and Engineering, Univ of Washington
    • Department of Physics, University of Washington - Seattle
  • Jiun-Haw Chu

    • Univ of Washington
    • Physics, Univ of Washington