Electrical Manipulation of Nanomagnets
L. Y. Gorelik, R. I. Shekhter, V. Vinokur, D. Feldman, V. Kozub, M. Jonson
Abstract
We demonstrate a possibility to manipulate the magnetic coupling between two nanomagnets with a help of ac electric field. In the scheme suggested the magnetic coupling in question is mediated by a magnetic particle contacting with both of the nanomagnets through the tunnel barriers. The electric field providing a successive suppression of the barriers leads to pumping of magnetization through the mediating particle. Time dependent dynamics of the particle magnetization allows to to switch between ferro- and antiferromagnetic couplings.
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