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arxiv: 1409.3662 · v1 · pith:VLYWXS6Ynew · submitted 2014-09-12 · ❄️ cond-mat.supr-con · cond-mat.mtrl-sci· cond-mat.str-el

Superconductivity at 3.7 K in Ternary Silicide Li2IrSi3

Daigorou Hirai , Rui Kawakami , Oxana V. Magdysyuk , Robert E. Dinnebier , Alexander Yaresko , Hidenori Takagi This is my paper
classification ❄️ cond-mat.supr-con cond-mat.mtrl-scicond-mat.str-el
keywords li2irsi3silicidesuperconductivityternaryantiprismsbondsconnectedconsists
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We report the discovery of superconductivity at Tc = 3.7 K in the new ternary lithium silicide Li2IrSi3. The crystal structure of Li2IrSi3 consists of IrSi6 antiprisms connected by Si triangles, giving rise to a three dimensional framework of covalent Si-Si and Si-Ir bonds. Electronic specific-heat in superconducting phase suggests that Li2IrSi3 is a BCS weak-coupling superconductor.

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