Physics – Condensed Matter – Materials Science
Scientific paper
2001-09-13
Phys. Rev. B 66, 033203 (2002)
Physics
Condensed Matter
Materials Science
4 RevTex pages, 2 figures
Scientific paper
10.1103/PhysRevB.66.033203
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 strong increase of E_b and evolution of Mn spin-resonance spectrum with the magnitude of valence-band offsets. For such a structure of Mn impurity in III-V materials, possible models accounting for the recently determined Curie temperature of about 940 K in a compensated Ga(0.91)Mn(0.09)N are discussed.
Dietl Tomasz
Matsukura Fumihiro
Ohno Hayato
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