T. Schneider, E. Stoll
Physical Review B
A field-asymmetric offset of the hysteresis loop in ferromagnetic- antiferromagnetic sandwiches, one of the manifestations of so-called exchange anisotropy, can be predicted from the presence of random interface roughness giving rise to a random field acting on the interface spins. The antiferromagnet breaks up into domains of size determined by the competition of exchange and an additional uniaxial in-plane anisotropy, and this size sets the scale for averaging of the random field. © 1987 The American Physical Society.
T. Schneider, E. Stoll
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