Excess iron deintercalation induced superconductivity in Fe(Te, Se) and Fe(Te, S) via sulfur annealing

K. Deguchi; A. Yamashita; T. Yamaki; H. Hara; S. Demura; S. J. Denholme; M. Fujioka; Hiroyuki Okazaki; H. Takeya; T. Yamaguchi; Y. Takano

doi:10.1063/1.4864417

Excess iron deintercalation induced superconductivity in Fe(Te, Se) and Fe(Te, S) via sulfur annealing

K. Deguchi, A. Yamashita, T. Yamaki, H. Hara, S. Demura, S. J. Denholme, M. Fujioka, Hiroyuki Okazaki, H. Takeya, T. Yamaguchi, Y. Takano

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We discovered a novel annealing method for Fe-chalcogenide superconductors. It was found that sulfur annealing deintercalated excess Fe via formation of FeS₂. Due to its specifics, sulfur annealing is applicable when preparing Fe-chalcogenide-based wires or cables.

Original language	English
Article number	053909
Journal	Journal of Applied Physics
Volume	115
Issue number	5
DOIs	https://doi.org/10.1063/1.4864417
Publication status	Published - 2014 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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Excess iron deintercalation induced superconductivity in Fe(Te, Se) and Fe(Te, S) via sulfur annealing. / Deguchi, K.; Yamashita, A.; Yamaki, T.; Hara, H.; Demura, S.; Denholme, S. J.; Fujioka, M.; Okazaki, Hiroyuki; Takeya, H.; Yamaguchi, T.; Takano, Y.

In: Journal of Applied Physics, Vol. 115, No. 5, 053909, 01.01.2014.

Research output: Contribution to journal › Article › peer-review

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AU - Hara, H.

AU - Demura, S.

AU - Denholme, S. J.

AU - Fujioka, M.

AU - Okazaki, Hiroyuki

AU - Takeya, H.

AU - Yamaguchi, T.

AU - Takano, Y.

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Excess iron deintercalation induced superconductivity in Fe(Te, Se) and Fe(Te, S) via sulfur annealing

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