Superconductivity in FeTe0.8S0.2 induced by battery-like reaction

  • Aichi Yamashita
  • , Satoshi Demura
  • , Masashi Tanaka
  • , Keita Deguchi
  • , Takuma Yamaki
  • , Hiroshi Hara
  • , Kouji Suzuki
  • , Yunchao Zhang
  • , Saleem James Denholme
  • , Hiroyuki Okazaki
  • , Masaya Fujioka
  • , Takahide Yamaguchi
  • , Hiroyuki Takeya
  • , Yoshihiko Takano

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Superconductivity is successfully induced by utilizing a battery-like reaction found in a typical Li-ion battery. Excess Fe in FeTe0.8S0.2 is electrochemically de-intercalated by applying a voltage in a citric acid solution. The superconducting properties improve with an increase in the applied voltage up to 1.5 V. This result suggests that an electrochemical reaction can be used as a novel method to develop new superconducting materials.

Original languageEnglish
Pages (from-to)29-31
Number of pages3
JournalSolid State Communications
Volume200
DOIs
Publication statusPublished - 2014
Externally publishedYes

Keywords

  • A. Iron-based superconductor
  • A. Superconductor
  • E. Battery-like reaction

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