Superconductivity in novel BiS 2-based layered superconductor LaO 1-xF xBiS 2

Yoshikazu Mizuguchi, Satoshi Demura, Keita Deguchi, Yoshihiko Takano, Hiroshi Fujihisa, Yoshito Gotoh, Hiroki Izawa, Osuke Miura

研究成果: ジャーナルへの寄稿記事査読

393 被引用数 (Scopus)

抄録

Layered superconductors have provided some interesting fields in condensed matter physics owing to the low dimensionality of their electronic states. For example, the high-T c (high transition temperature) cuprates and the Fe-based superconductors possess a layered crystal structure composed of a stacking of spacer (blocking) layers and conduction (superconducting) layers, CuO 2 planes or Fe-Anion layers. The spacer layers provide carriers to the conduction layers and induce exotic superconductivity. Recently, we have reported superconductivity in the novel BiS2-based layered compound Bi 4O 4S 3. It was found that superconductivity of Bi 4O 4S 3 originates from the BiS 2 layers. The crystal structure is composed of a stacking of BiS 2 superconducting layers and the spacer layers, which resembles those of high-T c cuprate and the Fe-based superconductors. Here we report a discovery of a new type of BiS2-based layered superconductor LaO 1-xF xBiS 2, with a T c as high as 10.6K.

本文言語英語
論文番号114725
ジャーナルJournal of the Physical Society of Japan
81
11
DOI
出版ステータス出版済み - 11月 2012
外部発表はい

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