A novel approach for preparing Fe(Te xS y) superconducting films: Solid phase epitaxial growth from amorphous precursors

T. Yoshimoto, Y. Fujii, Ryo Teranishi, K. Kurumi, K. Yoshida, Y. Yoshida, Y. Ichino, T. Nishiyama, Shinji Munetoh, Kenji Kaneko

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

Fe(Te xS y) films were fabricated on (100) SrTiO 3 substrates from Fe(Te 0.65S 0.16) amorphous precursors by a solid phase epitaxial growth process under various background atmospheric conditions. Structural analysis by x-ray diffraction showed strong peaks corresponding to Fe(Te xS y) phases, when the amorphous precursors were heated with Fe(Te 0.8S 0.2) sintered pellets. The crystallinity of the films deteriorated at longer periods of heating but the compositional shifts were found to have decreased. Consequently, the critical temperature, T Czero, of the Fe(Te xS y) film with minimum compositional shift was found to be 9.0K and critical current density, J C, of the film was about 1.4×10 4Acm 2.

元の言語英語
記事番号105013
ジャーナルSuperconductor Science and Technology
25
発行部数10
DOI
出版物ステータス出版済み - 10 1 2012

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Superconducting films
superconducting films
Epitaxial growth
solid phases
shift
meteorology
structural analysis
pellets
Structural analysis
crystallinity
critical current
critical temperature
x ray diffraction
Diffraction
current density
Heating
X rays
heating
Substrates
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

これを引用

A novel approach for preparing Fe(Te xS y) superconducting films : Solid phase epitaxial growth from amorphous precursors. / Yoshimoto, T.; Fujii, Y.; Teranishi, Ryo; Kurumi, K.; Yoshida, K.; Yoshida, Y.; Ichino, Y.; Nishiyama, T.; Munetoh, Shinji; Kaneko, Kenji.

:: Superconductor Science and Technology, 巻 25, 番号 10, 105013, 01.10.2012.

研究成果: ジャーナルへの寄稿記事

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abstract = "Fe(Te xS y) films were fabricated on (100) SrTiO 3 substrates from Fe(Te 0.65S 0.16) amorphous precursors by a solid phase epitaxial growth process under various background atmospheric conditions. Structural analysis by x-ray diffraction showed strong peaks corresponding to Fe(Te xS y) phases, when the amorphous precursors were heated with Fe(Te 0.8S 0.2) sintered pellets. The crystallinity of the films deteriorated at longer periods of heating but the compositional shifts were found to have decreased. Consequently, the critical temperature, T Czero, of the Fe(Te xS y) film with minimum compositional shift was found to be 9.0K and critical current density, J C, of the film was about 1.4×10 4Acm 2.",
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T1 - A novel approach for preparing Fe(Te xS y) superconducting films

T2 - Solid phase epitaxial growth from amorphous precursors

AU - Yoshimoto, T.

AU - Fujii, Y.

AU - Teranishi, Ryo

AU - Kurumi, K.

AU - Yoshida, K.

AU - Yoshida, Y.

AU - Ichino, Y.

AU - Nishiyama, T.

AU - Munetoh, Shinji

AU - Kaneko, Kenji

PY - 2012/10/1

Y1 - 2012/10/1

N2 - Fe(Te xS y) films were fabricated on (100) SrTiO 3 substrates from Fe(Te 0.65S 0.16) amorphous precursors by a solid phase epitaxial growth process under various background atmospheric conditions. Structural analysis by x-ray diffraction showed strong peaks corresponding to Fe(Te xS y) phases, when the amorphous precursors were heated with Fe(Te 0.8S 0.2) sintered pellets. The crystallinity of the films deteriorated at longer periods of heating but the compositional shifts were found to have decreased. Consequently, the critical temperature, T Czero, of the Fe(Te xS y) film with minimum compositional shift was found to be 9.0K and critical current density, J C, of the film was about 1.4×10 4Acm 2.

AB - Fe(Te xS y) films were fabricated on (100) SrTiO 3 substrates from Fe(Te 0.65S 0.16) amorphous precursors by a solid phase epitaxial growth process under various background atmospheric conditions. Structural analysis by x-ray diffraction showed strong peaks corresponding to Fe(Te xS y) phases, when the amorphous precursors were heated with Fe(Te 0.8S 0.2) sintered pellets. The crystallinity of the films deteriorated at longer periods of heating but the compositional shifts were found to have decreased. Consequently, the critical temperature, T Czero, of the Fe(Te xS y) film with minimum compositional shift was found to be 9.0K and critical current density, J C, of the film was about 1.4×10 4Acm 2.

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