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2002 | 102 | 4-5 | 687-694
Article title

Magnetic Properties of Short Period InGaMnAs/InGaAs Superlattices

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EN
Abstracts
EN
We have observed a paramagnetic-to-ferromagnetic phase transition in short period InGaMnAs/InGaAs superlattices. The thicknesses of magnetic InGaMnAs layers in the structures studied was chosen to be 4 or 8 molecular layers (12Å or 24Å). The non-magnetic InGaAs spacer layers are 12Å thick. The composition (In content) in InGaMnAs and InGaAs was chosen in such a way that magnetic layers were: deep potential wells, high potential barriers, or shallow potential wells. For superlattices with 8 monolayer thick InGaMnAs magnetic layers and 4 monolayer thick InGaAs non-magnetic spacers the temperatures of paramagnetic-to-ferromagnetic phase transition do not depend on the band offsets between InGaMnAs and InGaAs adjusted by the In content.
Keywords
EN
Publisher

Year
Volume
102
Issue
4-5
Pages
687-694
Physical description
Dates
published
2002-10/11
received
2002-06-07
Contributors
author
  • Niels Bohr Institute, Copenhagen University, 2100 Copenhagen, Denmark
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
  • Chalmers University of Technology, 412 96 Göteborg, Sweden
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
author
  • Uppsala University, Department of Materials Science, 751 21 Uppsala, Sweden
author
  • Uppsala University, Department of Materials Science, 751 21 Uppsala, Sweden
author
  • Chalmers University of Technology, 412 96 Göteborg, Sweden
author
  • Chalmers University of Technology, 412 96 Göteborg, Sweden
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv102n413kz
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