Superconductivity in FeTe{1-x}S_x induced by electrochemical reaction using ionic liquid solution
Aichi Yamashita, Satoshi Demura, Masashi Tanaka, Keita Deguchi, Takuma, Yamaki, Hiroshi Hara, Kouji Suzuki, Yunchao Zhang, Saleem J. Denholme,, Hiroyuki Okazaki, Masaya Fujioka, Takahide Yamaguchi, Hiroyuki Takeya,, Yoshihiko Takano
TL;DR
This paper demonstrates that electrochemical treatment with an ionic liquid can induce superconductivity in FeTe0.8S0.2 by removing excess iron, revealing a controllable method to enhance superconducting properties.
Contribution
It introduces a novel electrochemical approach using ionic liquids to induce superconductivity in FeTe-based materials by deintercalating excess iron.
Findings
Superconductivity was successfully induced in FeTe0.8S0.2.
A correlation between Fe removal and superconductivity was established.
Electrochemical deintercalation effectively enhances superconducting properties.
Abstract
Superconductivity in FeTe0.8S0.2 is successfully induced by an electrochemical reaction using an ionic liquid solution. A clear correlation between the Fe concentration in the solution and the manifestation of superconductivity was confirmed, suggesting that superconductivity was induced by the deintercalation of excess iron.
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