Ferromagnetism of magnetic semiconductors: Zhang-Rice limit

T. Dietl; F. Matsukura; F. Matsukura; H. Ohno

doi:10.1103/PhysRevB.66.033203

Ferromagnetism of magnetic semiconductors: Zhang-Rice limit

T. Dietl, F. Matsukura, F. Matsukura, H. Ohno

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Abstract

It is suggested that p-d hybridization contributes significantly to the hole binding energy E_b of Mn acceptors in III-V compounds, leading in an extreme case to the formation of Zhang-Rice-like small magnetic polarons. The model explains both the strong increase of E_b and the evolution of a Mn spin-resonance spectrum with the magnitude of valence-band offsets. The high Curie temperature above room temperature is shown to be in accordance with the mean-field Zener model.

Original language	English
Article number	033203
Pages (from-to)	332031-332034
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	66
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.66.033203
Publication status	Published - 2002 Jul 15

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.66.033203

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AU - Ohno, H.

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Ferromagnetism of magnetic semiconductors: Zhang-Rice limit

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