Robust isothermal electric switching of interface magnetization: A route to voltage-controlled spintronics

Preprint

21 April 2010

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.1004.3763

Abstract

Roughness-insensitive and electrically controllable magnetization at the (0001) surface of antiferromagnetic chromia is observed using magnetometry and spin-resolved photoemission measurements and explained by the interplay of surface termination and magnetic ordering. Further, this surface in placed in proximity with a ferromagnetic Co/Pd multilayer film. Exchange coupling across the interface between chromia and Co/Pd induces an electrically controllable exchange bias in the Co/Pd film, which enables a reversible isothermal (at room temperature) shift of the global magnetic hysteresis loop of the Co/Pd film along the magnetic field axis between negative and positive values. These results reveal the potential of magnetoelectric chromia for spintronic applications requiring non-volatile electric control of magnetization.

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All Related Versions

Version 1, 2010-04-21, ArXiv
Published version: Nature Materials, 9 (7), 579.

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