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http://dx.doi.org/10.4283/JMAG.2008.13.1.001

Studies of Effects of Current on Exchange-Bias: A Brief Review  

Bass, J. (Department of Physics and Astronomy, Michigan State University)
Sharma, A. (Department of Physics and Astronomy, Michigan State University)
Wei, Z. (Department of Physics, University of Texas at Austin)
Tsoi, M. (Department of Physics, University of Texas at Austin)
Publication Information
Journal of Magnetics / v.13, no.1, 2008 , pp. 1-6 More about this Journal
Abstract
MacDonald and co-workers recently predicted that high current densities could affect the magnetic order of antiferromagnetic (AFM) multilayers, in ways similar to those that occur in ferromagnetic (F) multilayers, and that changes in AFM magnetic order can produce an antiferromagnetic Giant Magnetoresistance (AGMR). Four groups have now studied current-driven effects on exchange bias at F/AFM interfaces. In this paper, we first briefly review the main predictions by MacDonald and co-workers, and then the results of experiments on exchange bias that these predictions stimulated.
Keywords
AGMR (antiferromagnetic Giant Magnetoresistance); STT (Spin-Transfer-Torque); exchange-bias;
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