Magnetic anisotropies of quantum dots doped with magnetic ions

Karel Výborný, J. E. Han, Rafał Oszwałdowski, Igor Žutić, and A. G. Petukhov
Phys. Rev. B 85, 155312 – Published 12 April 2012

Abstract

Magnetic anisotropies in quantum dots (QDs) doped with magnetic ions are discussed in terms of two frameworks: anisotropic g factors and magnetocrystalline anisotropy energy. It is shown that even a simple model of zinc-blende p-doped QDs displays a rich diagram of magnetic anisotropies in the QD parameter space. Tuning the confinement allows us to control magnetic easy axes in QDs in ways not available for the better-studied bulk dilute magnetic semiconductors.

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  • Received 4 November 2011

DOI:https://doi.org/10.1103/PhysRevB.85.155312

©2012 American Physical Society

Authors & Affiliations

Karel Výborný1,2, J. E. Han1, Rafał Oszwałdowski1, Igor Žutić1, and A. G. Petukhov3

  • 1Department of Physics, University at Buffalo–SUNY, Buffalo, New York 14260, USA
  • 2Institute of Physics, ASCR, v. v. i., Cukrovarnická 10, CZ-16253 Praha 6, Czech Republic
  • 3South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA

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Issue

Vol. 85, Iss. 15 — 15 April 2012

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