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1991 | 80 | 2 | 267-270
Article title

Itinerant Theory of Exchange Constants in Diluted Co-Based Semimagnetic Semiconductors

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EN
Abstracts
EN
The exchange constants in diluted semimagnetic semiconductors with Co are much larger than in the Mn doped systems. To explain this, we use a semiquantitative, tight binding version of the coherent potential approach and calculate the electronic structure of II-VI mixed semiconductors containing Co and Mn. The exchange constants are deduced from energies of spin reversal processes. The presence of the Co 3d states at the top of the valence band leads to the observed enhancement of the exchange coupling.
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EN
Publisher

Year
Volume
80
Issue
2
Pages
267-270
Physical description
Dates
published
1991-08
Contributors
author
  • Institute of Physics, Czecho-Slovak Academy of Sciences, Na Slovance 2, 180 40 Prague 8, Czecho-Slovakia
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv80z210kz
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