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001     17870
005     20180208225137.0
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|a pmid:21705831
024 7 _ |2 DOI
|a 10.1088/0953-8984/23/29/296001
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|a WOS:000292545200011
037 _ _ |a PreJuSER-17870
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Physics, Condensed Matter
100 1 _ |a Laref, A.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Exchange interactions, spin waves, and Curie temperature in zincblende half-metallic sp-electron ferromagnets: the case of CaZ (Z = N, P, As, Sb)
260 _ _ |a Bristol
|b IOP Publ.
|c 2011
300 _ _ |a 296001
336 7 _ |a Journal Article
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336 7 _ |a article
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440 _ 0 |a Journal of Physics: Condensed Matter
|x 0953-8984
|0 3703
|y 29
|v 23
500 _ _ |3 POF3_Assignment on 2016-02-29
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Using first-principle calculations in conjunction with the frozen-magnon technique we have calculated the exchange interactions and spin-wave dispersions in the series of the zincblende half-metallic II-V (CaZ, Z = N, P, As, Sb) ferromagnets. The calculated exchange constants are used to estimate the Curie temperature within the random phase approximation. The large Stoner gap in these alloys gives rise to well-defined undamped spin waves throughout the Brillouin zone. Moreover we show that the spin-wave stiffness constants for the considered systems are among the largest available for local moment ferromagnets. The predicted Curie temperature of half-metallic CaN is noticeably higher than the room temperature with respect to the other compounds, and thus we propose CaN as a promising candidate for future applications in spintronic devices.
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700 1 _ |a Sasioglu, E.
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700 1 _ |a Galanakis, I.
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773 _ _ |a 10.1088/0953-8984/23/29/296001
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|t Journal of physics / Condensed matter
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856 7 _ |u http://dx.doi.org/10.1088/0953-8984/23/29/296001
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