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arXiv · 1809.00756

Superconductivity in BaPtSb with an Ordered Honeycomb Network

Kazutaka Kudo·Yuki Saito·Takaaki Takeuchi·Shin-ya Ayukawa·Takayuki Kawamata·Shinichiro Nakamura·Yoji Koike·Minoru Nohara
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Abstract

Superconductivity in BaPtSb with the SrPtSb-type structure (space group $P\bar{6}m2$, $D_{3h}^1$, No. 187) is reported. The structure consists of a PtSb ordered honeycomb network that stacks along the $c$-axis so that spatial inversion symmetry is broken globally. Electrical resistivity and specific-heat measurements revealed that the compound exhibited superconductivity at 1.64 K. The noncentrosymmetric structure and the strong spin-orbit coupling of Pt and Sb make BaPtSb an attractive compound for studying the exotic superconductivity predicted for a honeycomb network.

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Kazutaka Kudo, Yuki Saito, Takaaki Takeuchi, Shin-ya Ayukawa, Takayuki Kawamata, Shinichiro Nakamura, Yoji Koike, Minoru Nohara. 2018-09-04. Superconductivity in BaPtSb with an Ordered Honeycomb Network. https://doi.org/10.7566/jpsj.87.063702

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