Relation between spin Hall effect and anomalous Hall effect in 3d ferromagnetic metals

Yasutomo Omori, Edurne Sagasta, Yasuhiro Niimi, Martin Gradhand, Luis E. Hueso, Fèlix Casanova, Yoshichika Otani

Research output: Contribution to journalArticle (Academic Journal)peer-review

19 Citations (Scopus)
278 Downloads (Pure)

Abstract

We study the mechanisms of the spin Hall effect (SHE) and anomalous Hall effect (AHE) in 3d ferromagnetic metals (Fe, Co, permalloy (Ni81Fe19; Py), and Ni) by varying their resistivities and temperature. At low temperatures where the phonon scattering is negligible, the skew scattering coefficients of the SHE and AHE in Py are related to its spin polarization. However, this simple relation breaks down for Py at higher temperatures as well as for the other ferromagnetic metals at any temperature. We find that, in general, the relation between the SHE and AHE is more complex, with the temperature dependence of the SHE being much stronger than that of AHE.
Original languageEnglish
Article number014403
Number of pages6
JournalPhysical Review B
Volume99
Issue number1
Early online date3 Jan 2019
DOIs
Publication statusPublished - 3 Jan 2019

Keywords

  • cond-mat.mes-hall
  • cond-mat.mtrl-sci

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