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arxiv: 0911.2394 · v1 · pith:OXKKLAWAnew · submitted 2009-11-12 · ❄️ cond-mat.supr-con · cond-mat.mtrl-sci

New Superconducting RbFe2As2: A First-principles Investigation

classification ❄️ cond-mat.supr-con cond-mat.mtrl-sci
keywords rbfe2as2elasticelectronicfirst-principlesstatesuperconductorundopedbafe2as2
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RbFe2As2 has recently been reported to be a bulk superconductor with Tc = 2.6 K in the undoped state, in contrast to undoped BaFe2As2 with a magnetic ground state. We present here the results of the first-principles calculations of the structural, elastic and electronic properties for this newest superconductor and discuss its behaviour in relation to other related systems. Keywords: RbFe2As2, Electronic structure; Elastic constant; Superconductivity. PACS: 74.70.Dd, 74.10.+v, 74.20.Pq, 75.25.Ld

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