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

10 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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T1 - Excess iron deintercalation induced superconductivity in Fe(Te, Se) and Fe(Te, S) via sulfur annealing

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.

UR - https://www.scopus.com/pages/publications/84906871732

U2 - 10.1063/1.4864417

DO - 10.1063/1.4864417

M3 - Article

AN - SCOPUS:84906871732

SN - 0021-8979

VL - 115

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 5

M1 - 053909

ER -

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

Abstract

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