Voltage Control of Rare-Earth Magnetic Moments at the Magnetic-Insulator-Metal Interface

Alejandro O. Leon, Adam B. Cahaya, Gerrit E.W. Bauer

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

The large spin-orbit interaction in the lanthanides implies a strong coupling between their internal charge and spin degrees of freedom. We formulate the coupling between the voltage and the local magnetic moments of rare-earth atoms with a partially filled 4f shell at the interface between an insulator and a metal. The rare-earth-mediated torques allow the power-efficient control of spintronic devices by electric-field-induced ferromagnetic resonance and magnetization switching.

Original languageEnglish
Article number027201
Number of pages5
JournalPhysical Review Letters
Volume120
Issue number2
DOIs
Publication statusPublished - 2018
Externally publishedYes

Keywords

  • Magnetic anisotropy
  • Spin-orbit coupling
  • Spintronics
  • Magnetic multilayers

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