Electric-Field-Induced Magnetization Reversal in a Ferromagnet-Multiferroic Heterostructure

Abstract

A reversal of magnetization requiring only the application of an electric field can lead to low-power spintronic devices by eliminating conventional magnetic switching methods. Here we show a nonvolatile, room temperature magnetization reversal determined by an electric field in a ferromagnet-multiferroic system. The effect is reversible and mediated by an interfacial magnetic coupling dictated by the multiferroic. Such electric-field control of a magnetoelectric device demonstrates an avenue for next-generation, low-energy consumption spintronics.

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Document Details

Document Type
Technical Report
Publication Date
Nov 14, 2011
Accession Number
ADA578253

Entities

People

  • D. E. Nikonov
  • John T. Heron
  • K. Ashraf
  • M. Gajek
  • M. Trassin
  • Qing He
  • R. Ramesh
  • S. Salahuddin
  • S. Y. Yang
  • Yuanchen Chu

Organizations

  • Cornell University

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms

DTIC Thesaurus Topics

  • Anisotropy
  • California
  • Couplings
  • Domain Walls
  • Electric Fields
  • Electrical Engineering
  • Energy Consumption
  • Engineering
  • Ferroelectric Domains
  • Ferromagnetic Domains
  • Linear Polarization
  • Magnetic Fields
  • Materials
  • Materials Science
  • Polarization
  • Spintronics
  • X Rays

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics