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; H. 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, H. 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 - 7 Feb 2014
Externally published	Yes

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

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.",

author = "K. Deguchi and A. Yamashita and T. Yamaki and H. Hara and S. Demura and Denholme, {S. J.} and M. Fujioka and H. Okazaki and H. Takeya and T. Yamaguchi and Y. Takano",

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AU - Deguchi, K.

AU - Yamashita, A.

AU - Yamaki, T.

AU - Hara, H.

AU - Demura, S.

AU - Denholme, S. J.

AU - Fujioka, M.

AU - Okazaki, H.

AU - Takeya, H.

AU - Yamaguchi, T.

AU - Takano, Y.

PY - 2014/2/7

Y1 - 2014/2/7

N2 - 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.

AB - 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.

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VL - 115

JO - Journal of Applied Physics

JF - Journal of Applied Physics

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ER -

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

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