Band structure model of magnetic coupling in semiconductors

Abstract

We present a unified band structure model to explain magnetic ordering in Mn-doped semiconductors. This model is based on the $p$-$d$ and $d$-$d$ level repulsions between the Mn ions and host elements and can successfully explain magnetic ordering observed in all Mn doped II-VI and III-V semiconductors such as CdTe, GaAs, ZnO, and GaN. This model, therefore, provides a simple guideline for future band structure engineering of magnetic semiconductors.

4+ pages, 5 figures

References in corpus (4)

• Ferromagnetism in magnetically doped III-V semiconductors
• Electronic structure and magnetism of Mn doped GaN
• On-site Coulomb interaction and the magnetism of (GaMn)N and (GaMn)As
• Ellipsometric study of the Electronic Structure of GaMnAs and LT-GaAs

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