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Publication
Materials Science and Engineering B
Paper
Anomalous Hall effect in III-V-based magnetic semiconductor heterostructures
Abstract
A novel III-V-based diluted magnetic semiconductor alloy (In,Mn)As shows interesting properties associated with carrier-induced magnetism. This paper describes the anomalous magnetotransport of p-(In,Mn)As-(Ga,Al)Sb heterostructures which exhibit perpendicular ferromagnetic order with hole concentrations above mid-1018 cm-3. Magnetic coupling between ferromagnetic MnAs clusters and host p-type (In,Mn)As is also discussed on the basis of magnetotransport data of inhomogeneous p-(In,Mn)As layers. © 1995.