Observation of Zero Resistance in As-Electrodeposited FeSe

28 Nov 2017  ·  Yamashita Aichi, Matsumoto Ryo, Tanaka Masashi, Hara Hiroshi, Iida Kazumasa, Holzapfel Bernhard, Takeya Hiroyuki, Takano Yoshihiko ·

Superconducting FeSe films were electrochemically deposited on rolling-assisted biaxially textured substrate (RABiTS) tape. We observed zero resistivity in the as-electrodeposited FeSe film prepared on the RABiTS when the appropriate voltage was applied while it was dipped into the solution... When the RABiTS tape was dipped in the solution without applying voltage, a thin Se film was deposited on the substrate. The compositional ratio of the FeSe film got closer to the stoichiometric ratio with decreasing the dipping time before applying voltage. read more

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