Influence of disorder on ferromagnetism in diluted magnetic semiconductors

A. L. Chudnovskiy and D. Pfannkuche
Phys. Rev. B 65, 165216 – Published 16 April 2002
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Abstract

Influence of disorder in the concentration of magnetic Mn2+ ions on the ferromagnetic phase transition in diluted (III,Mn)V semiconductors is investigated analytically. The regime of small disorder is addressed, and the enhancement of the critical temperature by disorder is found both in the mean-field approximation and from the analysis of the zero-temperature spin stiffness.

  • Received 20 September 2001

DOI:https://doi.org/10.1103/PhysRevB.65.165216

©2002 American Physical Society

Authors & Affiliations

A. L. Chudnovskiy and D. Pfannkuche

  • I Institut für Theoretische Physik, Universität Hamburg, Jungiusstr. 9, D-20355 Hamburg, Germany

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Vol. 65, Iss. 16 — 15 April 2002

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