Department of Physics and Astronomy: Publications and Other Research

 

Date of this Version

10-31-2013

Citation

PHYSICAL REVIEW LETTERS 111, 187204 (2013). DOI: 10.1103/PhysRevLett.111.187204

Comments

Copyright (c) 2013 American Physical Society. Used by permission.

Abstract

Voltage-controlled exchange bias training and tunability are introduced. Isothermal voltage pulses are used to reverse the antiferromagnetic order parameter of magnetoelectric Cr2O3, and thus continuously tune the exchange bias of an adjacent CoPd film. Voltage-controlled exchange bias training is initialized by tuning the antiferromagnetic interface into a nonequilibrium state incommensurate with the underlying bulk. Interpretation of these hitherto unreported effects contributes to new understanding in electrically controlled magnetism

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