Abstract

Selected electronic and magnetic properties are studied in the strained layer MnSe/ZnSe superlattice, recently grown by molecular beam epitaxy, with individual MnSe layers in a zincblende structure approaching the monolayer limit. The luminescence spectra show a well defined superlattice bandgap ; however, both magneto-optical and direct magnetization measurements indicate that the role of interfaces is crucial in determining the magnetic behavior of the thin layers of MnSe. Anomalous characteristics are interpreted in terms of frustration against antiferromagnetic ordering by microstructure effects at the heterointerfaces.

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