PACS: 07.60.Rd

Diluted magnetic A1-xMnxB semiconductors
V.P. Bryksa¹, G.G. Tarasov², W.T. Masselink², W. Nolting², Yu.I. Mazur³ and G.J. Salamo³

¹V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 45, prospect Nauky, 03028 Kyiv, Ukraine
²Humboldt Universitat zu Berlin, Institut fur Physik, 15, Newtonstrasse, 2489 Berlin, Germany
³Department of Physics, University of Arkansas, Fayetteville, Arkansas 7270

Abstract. Novel model of the diluted magnetic semiconductors (DMS) A1-xMnxB possessing the metallic conductivity is proposed. Using the coherent potential technique the electron scattering by the randomly distributed Mn centers is taken into account. The exchange scattering of the electron spin by the localized magnetic moment is calculated exactly basing on the spin-polaron limit for the Vonsovskii Hamiltonian.
Keywords: diluted magnetic semiconductors, ferromagnetism, coherent potential, exchange interaction.
Paper received 18.03.04; accepted for publication 17.06.04.

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