Magnetic and electrical transport properties of MnBi2Te4

ORAL

Abstract

MnBi2Te4 is considered as an intrinsic antiferromagnetic topological insulator. We have successfully synthesized MnBi2Te4 single crystals. The magnetic susceptibility measurements indicate that the Neel temperature TN = 25 K with the easy axis along the c direction. Below TN, the system undergoes a spin flop transition at Hsf when the magnetic field (H) is applied along the c axis with H > Hsf. The critical field Hsf increases with decreasing temperature, reaching 3.5 Tesla at 2 K. Correspondingly, both the magnetoresistance and Hall resistivity show anomaly at Hsf. Detailed data analysis and implication will be presented.

–

Presenters

  • Dongliang Gong

    Louisiana State University, Baton Rouge, Louisiana State University, Baton Rouge, LA 70803 USA

Authors

  • Dongliang Gong

    Louisiana State University, Baton Rouge, Louisiana State University, Baton Rouge, LA 70803 USA

  • Rongying Jin

    Louisiana State University, Baton Rouge, Department of Physics & Astronomy, Louisiana State University, Louisiana State University, Baton Rouge, LA 70803 USA, Physics, Louisiana State University, Louisiana State University