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Structural and magnetic properties of GaAs:(Mn,Ga)As granular layers

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Author

  • K. Lawniczak-Jablonska
  • J. Libera
  • A. Wolska
  • M. T. Klepka
  • P. Dluzewski
  • J. Bak-Misiuk
  • E. Dynowska
  • P. Romanowski
  • J. Z. Domagala
  • Janusz Sadowski
  • A. Barcz
  • D. Wasik
  • A. Twardowski
  • A. Kwiatkowski
Show all

Summary, in English

Granular GaAs:(Mn,Ga)As films were prepared by annealing the Ga0.92Mn0.08As/GaAs layer grown by the MBE method at low temperature. The annealing was performed at 500 or 600 degrees C. It is commonly accepted that this processing should result in formation of cubic zinc blende or hexagonal MnAs inclusions depending on the temperature. We demonstrate that such a priory assumption is not justified. The kind of formed inclusions depends not only on the annealing temperature but also on the number of defects and Mn atoms in the substitutional and interstitial positions in as grown sample. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Department/s

Publishing year

2011

Language

English

Pages

1609-1614

Publication/Series

Physica Status Solidi. B: Basic Research

Volume

248

Issue

7

Document type

Journal article

Publisher

John Wiley & Sons Inc.

Topic

  • Natural Sciences
  • Physical Sciences

Keywords

  • granular material
  • room temperature ferromagnetism
  • spintronics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0370-1972