鉄カルコゲナイド化合物の電池反応による超伝導の発現

山下 愛智; 高野 義彦

doi:10.2320/jinstmet.JC201614

著者情報

キーワード: iron-based superconductors, 11-system, iron chalcogenide, iron tellurium sulphur, electrochemical reaction, excess iron, layered compound, de-intercalation

ジャーナルフリー

2016 年 80 巻 7 号 p. 468-472

DOI https://doi.org/10.2320/jinstmet.JC201614

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詳細

抄録

Superconductivity of FeTe_0.8S_0.2 was successfully induced by a battery-like reaction found in a typical Li-ion battery. Excess Fe in FeTe_0.8S_0.2 was electrochemically de-intercalated and the superconducting properties were improved systematically by applying a voltage in both electrolysis citric acid aqueous solution and ionic liquid. This result suggests that this method can be used to develop new superconducting materials.

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