Abstract

Extensive Monte Carlo simulations have been carried out to investigate the exchange bias effect in ferromagnet/antiferromagnet system where bond dilution is introduced into the interface coupling. The bias field and its blocking temperature are enhanced by the interface bond dilution, suggesting a novel way to tune the exchange bias effect for spintronics applications. By investigating the interfacial spin configurations at the antiferromagnet layer, this enhancement is ascribed to an increase in the effective pinning field due to interface modifications.

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