Abstract
The magnetic behavior of the hybrid heterostructures Fe(0 0 1)/ZnSe(0 0 1)/Fe(0 0 1) grown on ZnSe(0 0 1) epilayers on GaAs(0 0 1) substrates by molecular beam epitaxy was investigated by SQUID magnetometry. Three different thicknesses of the ZnSe spacer layer were used to investigate the magnetic coupling between 200 Å thick Fe layers. Our results indicate the existence of an effective exchange bias field of about 5 Oe possibly originating from a residual antiferromagnetic coupling through 50 Å thick ZnSe layer.
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