Anisotropic anomalous Hall effect of topological origin in carrier-doped FeCr2S4

Kenya Ohgushi, Shigeki Miyasaka, Yoshinori Tokura

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The anomalous Hall effect (AHE) was investigated for a single crystal of 6% Ag-doped FeCr2S4 with the rotation of the magnetic field (H) within the yz plane (the current along x̂, the Hall voltage along ŷ). We observed a clear deviation from the cos θ dependence (θ being the angle between H and ẑ), which indicates the presence of an anisotropic AHE. We analyzed a tight-binding model of the diamond lattice with the Dzyaloshinskii-Moriya interaction and reproduced the characteristic experimentally observed features. The quantum topology nature of the AHE is revealed in this compound.

Original languageEnglish
Article number013710
Journaljournal of the physical society of japan
Volume75
Issue number1
DOIs
Publication statusPublished - 2006 Jan 1
Externally publishedYes

Keywords

  • Anomalous Hall effect
  • Dzyaloshinskii-Moriya interaction
  • FeCrS
  • Galvanomagnetic effect
  • Parity anomaly

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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