Exchange Bias in Ferromagnetic/Compensated Antiferromagnetic Bilayers

Details Exchange Bias in Ferromagnetic/Compensated Antiferromagnetic Bilayers Exchange Bias in Ferromagnetic/Compensated Antiferromagnetic Bilayers

2001-12-05

arxiv.org/abs/cond-mat/0112064v1

Physics

Condensed Matter

Materials Science

3figures

Scientific paper

10.1103/PhysRevB.65.172402

By means of micromagnetic spin dynamics calculations, a quantitative calculation is carried out to explore the mechanism of exchange bias (EB) in ferromagnetic (FM)/compensated antiferromagnetic (AFM) bilayers. The antiferromagnets with low and high Neel temperatures have been both considered, and the crossover from negative to positive EB is found only in the case with low Neel temperature. We propose that the mechanism of EB in FM/compensated AFM bilayers is due to the symmetry broken of AFM that yields some net ferromagnetic components.

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