Combined effect of magnetic field and charge current on antiferromagnetic domain-wall dynamics

Yuta Yamane, Olena Gomonay, Hristo Velkov, Jairo Sinova

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We theoretically examine a cross effect of magnetic field and charge current on antiferromagnetic domain wall dynamics. Since antiferromagnetic materials are largely insensitive to external magnetic fields in general, charge current has been shown recently as an alternative and efficient way to manipulate antiferromagnets. We find a new role of the magnetic field in the antiferromagnetic dynamics that appears when it is combined with charge current, demonstrating a domain wall motion in the presence of both field and current. We show that a spatially varying magnetic field can shift the current-driven domain-wall velocity, depending on the domain-wall structure and the direction of the field gradient. Our result suggests a novel concept of field control of current-driven antiferromagnetic dynamics.

Original languageEnglish
Article number064408
JournalPhysical Review B
Volume96
Issue number6
DOIs
Publication statusPublished - 2017 Aug 7

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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