2013 Fiscal Year Final Research Report
Development of High Temperature and Rare-Earth Less Superconducting Thin Films by Controlling (Cu, C)-based Artificial Multi-layer Structure
| Project/Area Number |
23360139
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Electronic materials/Electric materials
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| Research Institution | Kagoshima University |
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Principal Investigator |
TERADA NORIO 鹿児島大学, 理工学研究科, 教授 (20322323)
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| Co-Investigator(Kenkyū-buntansha) |
OKUDA Tetsuji 鹿児島大学, 理工学研究科, 准教授 (20347082)
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| Co-Investigator(Renkei-kenkyūsha) |
OBARA Kozo 鹿児島大学, 理工学研究科, 教授 (10094129)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 超伝導材料・素子 / 表面・界面物性 / 薄膜 / 強相関エレクトロニクス / 量子エレクトロニクス / レアアース・レス |
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| Research Abstract |
The investigation of structural origin and the development of practical growth technique of the (Cu, C)-1201 rare-earth element free, superconducting films have been performed. The compressive interfacial strain at the top and bottom of the 1201 layer is a dominant factor for the emergence of superconductivity, which is optimized by controlling thickness of the over- and under-layers grown in the strained epitaxial-mode. The optimization yields an emergence of superconductivity on the ultra-thin 1201 layer. The repeating growth of this layered structure is a promising method for improving the critical current density per unit width. The emergence of superconductivity has been also confirmed on the films grown by the co-deposition of all of the constituents. As mentioned above, the fundamentals for the growth of the rare-earth free superconducting film and the foothold for practical growth techniques are established, which means the objective of this research is successfully achieved.
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[Journal Article] Effects of Geometrical Spin Frustration on Triangular Spin Tubes Formed in CsCrF_4 and alpha-KCrF_42011
Author(s)
H. Manaka, T. Etoh, Y. Honda, N. Iwashita, K. Ogata, N. Terada, T. Hisamatsu, M. Ito, Y. Narumi, A. Kondo, K Kindo, Y. Miura
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Journal Title
Journal of the Physical Society of Japan
Volume: Vol.80
Pages: 084714(1)-084714(11)
Peer Reviewed
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[Presentation] MBE-CdS/CZTSSe 界面のin-situ PES/IPES 評価; VI 族混晶比依存性2014
Author(s)
帖地 宏典, 森田 英揮, 吉本 翔, 福山 貴之, 反保 衆志, 柴田 肇, 松原 浩司, 仁木 栄, 酒井 紀行, 加藤 拓也, 杉本 広紀, 寺田 教男
Organizer
第61回応用物理学会春季学術講演会
Place of Presentation
青山学院大学
Year and Date
20140317-20
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[Presentation] (Cu,C)系超伝導層を基幹とする積層構造における界面歪効果2014
Author(s)
酒瀬川健人, 古賀慎一, 団 一星, 小原幸三, 真中浩貴, 田中康資, 伊豫 彰, Sundaresan Athinarayanan, 常盤和靖, 寺田教男
Organizer
第61回応用物理学会春季学術講演会
Place of Presentation
青山学院大学
Year and Date
20140317-20
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[Presentation] Study of Effect of Chemical Treatments on Electronic Structure of CZTSSe Surface and CdS/CZTSSe, Interface2013
Author(s)
Norio Terada, Hideki Morita, Hironori Chochi, Sho Yoshimoto, Tatsuo Fukano, Shin Tajima, Kazuo Higuchi, Hitoshi Tampo, Hajime Shibata, Koji Matsubara, Shigeru Niki
Organizer
2013 Spring Meeting Materials Research Society
Place of Presentation
San Francisco USA
Year and Date
20130401-05
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[Presentation] CZTS 系材料の物性・界面評価(正・逆光電子分光法によるCZTS, CZTSe 光吸収層の電子構造評価)2013
Author(s)
寺田教男, 森田英揮, 帖地宏典, 吉本翔, 桐原彬嘉, 仁木栄, 反保衆志, 柴田肇, 松原浩司, 白間英樹, 杉本広紀, 加藤拓也
Organizer
第60回応用物理学会春季学術講演会
Place of Presentation
神奈川工科大学
Year and Date
20130327-30
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