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1995 | 88 | 5 | 1018-1022
Article title

Free Carrier Concentration Dependence of Gd-Gd Exchange Constant in SnTe:Gd

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EN
Abstracts
EN
In some samples of SnTe:Gd the measured paramagnetic Curie temperature strongly depends on the Fermi level position. The semi-quantitative theory which explains this effect is presented. The theory is based on Kasuya's model of exchange interaction between two 4f spins of rare earth ions. In this model the interaction between 4f electrons and the valence band goes via Gd atomic 5d orbitals which, contrary to the 4f orbitals are much more extended in space. The exchange integral and the paramagnetic Curie temperature dependence on the Fermi level position are calculated.
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Publisher

Year
Volume
88
Issue
5
Pages
1018-1022
Physical description
Dates
published
1995-11
Contributors
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland
References
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv88z548kz
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