Properties of KCo_2As_2 and alloys with Fe and Ru: Density functional calculations

D. J. Singh

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Properties of KCo_2As_2 and alloys with Fe and Ru: Density functional calculations

机译：KCo_2As_2和含铁和钌合金的性能：密度泛函计算

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Electronic-structure calculations are presented for KCo_2As_2 and alloys with KFe_2As_2 and KRu_2As_2. These materials show electronic structures characteristic of coherent alloys with a similar Fermi surface structure to that of the Fe-based superconductors when the d-electron count is near 6 per transition metal. However, they are less magnetic than the corresponding Fe compounds. These results are discussed in relation to superconductivity.

机译：给出了KCo_2As_2以及具有KFe_2As_2和KRu_2As_2的合金的电子结构计算。当每种过渡金属的d电子数接近6时，这些材料显示具有费米表面结构与铁基超导体相似的费米表面结构的相干合金的电子结构特征。但是，它们的磁性低于相应的Fe化合物。讨论了有关超导性的这些结果。

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来源
《Physical review》 |2009年第17期|174520.1-174520.4|共4页
作者
D. J. Singh;
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作者单位

Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6114, USA;

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原文格式 PDF
正文语种 eng
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关键词
intermetallic compounds; ternary, quaternary and multinary compounds (including Chevrel phases, borocarbides, etc.);

机译：金属间化合物三元;四元和多元化合物（包括Chevrel相;硼碳化物等）;

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机译：KCo $ _2 $ as $ _2 $和Fe和Ru合金的性质：密度功能计算

Properties of KCo_2As_2 and alloys with Fe and Ru: Density functional calculations

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