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Temperature dependence of magnetism near defects in SrB6

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Published in Journal of Physics. Condensed Matter. 2003, vol. 15, p. L249-252
Abstract The temperature (T) dependence of magnetic moments in SrB6 is studied through spin-polarized band calculations for a supercell of Sr27B156 containing a B6 vacancy. The magnetic moment decays rather quickly with T despite the fact that only electronic Fermi–Dirac effects are included. This result and the T dependence of moments near an La impurity can hardly explain the reports of a very high Curie temperature in hexaborides, but suggest that the magnetism is caused by some other type of impurity.
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Research group Groupe Giamarchi
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JARLBORG, Thomas N. Temperature dependence of magnetism near defects in SrB6. In: Journal of Physics. Condensed Matter, 2003, vol. 15, p. L249-252. https://archive-ouverte.unige.ch/unige:35770

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Deposited on : 2014-04-16

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