Abstract
The interplay between interlayer coupling and exchange bias coupling in [NiFe/Mn] multilayerbased thin films was investigated by using ion-beam bombardment during deposition to control the configurations from superlattice to nanocomposite or hybrid-structured thin films. Results showed that well-defined interfaces in the superlattice [NiFe/Mn] thin film exhibited an interlayer coupling behavior. In contrast, an enhanced coercivity was observed in the nanocomposite [NiFe-Mn] thin film. However, the hybrid [NiFe-Mn]/[NiFe/Mn] thin film with an intermixed NiFeMn alloyed film component gave rise to unusual positive exchange bias coupling.
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