arxiv: 1010.3950 · v2 · pith:YLECRQ6Bnew · submitted 2010-10-19 · ❄️ cond-mat.supr-con · cond-mat.str-el

Coexistence of Superconductivity and Charge Density Wave in SrPt2As2

Kazutaka Kudo , Yoshihiro Nishikubo , Minoru Nohara This is my paper

classification ❄️ cond-mat.supr-con cond-mat.str-el

keywords srpt2as2superconductivitycoexistenceorderingstructureanalogarsenidebafe2as2

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SrPt2As2 is a novel arsenide superconductor, which crystallizes in the CaBe2Ge2-type structure as a different polymorphic form of the ThCr2Si2-type structure. SrPt2As2 exhibits a charge-density-wave (CDW) ordering at about 470 K and enters into a superconducting state at Tc = 5.2 K. The coexistence of superconductivity and CDW refers to Peierls instability with a moderately strong electron-phonon interaction. Thus SrPt2As2 can be viewed as a nonmagnetic analog of iron-based superconductors, such as doped BaFe2As2, in which superconductivity emerges in close proximity to spin-density-wave ordering.

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Coexistence of Superconductivity and Charge Density Wave in SrPt2As2

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