Journal ArticleDOI
レーザー成膜法による銀基板上へのTl-1223 膜形成と Jc の温度依存性
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This article is published in Journal of Cryogenics and Superconductivity Society of Japan.The article was published on 2014-02-25. It has received 3 citations till now. The article focuses on the topics: Grain boundary.read more
Citations
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Journal Article
Fabrication of Ag-Sheathed Ba-Y-Cu Oxide Superconductor Tape : Electrical Properties of Condensed Matter
Michiya Okada,Akira Okayama,Morimoto Tadaoki,Toshimi Matsumoto,Katsuzo Aihara,Matsuda Shinpei +5 more
TL;DR: Ba2YCu3O7-δ tapes were fabricated by cold rolling and the critical current density Jc apparently depended on the thickness of the tape and increased markedly with decreasing tape thickness.
Journal Article
Superconducting Properties of Ba-Y-Cu-O Tape Prepared by the Doctor Blade Process : Electrical Properties of Condensed Matter
TL;DR: Ba2YCu3O7 superconducting tape was successfully fabricated by the so-called doctor blade casting process as discussed by the authors, achieving a zero-resistance state at 91.5 K for the tape heat-treated at 1000°C.
Journal Article
In-plane aligned superconducting Tl0.78 Bi0.22 Sr1.6 Ba0.4 Ca2 Cu3 O9 films on rolling assisted biaxially textured substrates
Zhifeng Ren,W. Li,D.Z. Wang,J.Y. Lao,J. H. Wang,M. Paranthaman,Darren Verebelyi,David K. Christen,Dominic F. Lee,Amit Goyal,D. M. Kroeger +10 more
TL;DR: XRD values of XRD peaks show that both phases are epitaxial, with in-plane and out-of-plane alignments comparable to those of the underlying Ni and buffer layers (CeO 2 and YSZ).
References
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Journal ArticleDOI
Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure
Maw-Kuen Wu,J. R. Ashburn,C. J. Torng,Pei-Herng Hor,R. L. Meng,Li Gao,Z. J. Huang,Yongmei Wang,Ching-Wu Chu +8 more
TL;DR: A stable and reproducible superconductivity transition between 80 and 93 K has been unambiguously observed both resistively and magnetically in a new Y-Ba-Cu-O compound system at ambient pressure.
Journal ArticleDOI
A New High-TcOxide Superconductor without a Rare Earth Element
TL;DR: In this paper, a new high-Tc oxide superconductor of the BiSrCa-Cu-O system without any rare earth element was discovered, which has Tc of about 105 K, higher than that of YBa2Cu3O7 by more than 10 K.
Journal ArticleDOI
Superconducting transport properties of grain boundaries in YBa2Cu3O7 bicrystals.
TL;DR: The grain-boundary critical current densities in bicrystal films prepared by evaporation and postannealing and by laser ablation are in good agreement; this result demonstrates that the transport properties are insensitive to preparation technique and, thus, are not dominated by the diffusion of substrate impurities into the boundary region.
Journal ArticleDOI
Advantageous grain boundaries in iron pnictide superconductors
Takayoshi Katase,Yoshihiro Ishimaru,Akira Tsukamoto,Hidenori Hiramatsu,Toshio Kamiya,Keiichi Tanabe,Hideo Hosono +6 more
TL;DR: It is reported that high critical temperature iron pnictide superconductors have advantages over cuprates with respect to these grain boundary issues.
Journal ArticleDOI
Stationary properties of high-critical-temperature proximity effect Josephson junctions
K. A. Delin,A. W. Kleinsasser +1 more
TL;DR: In this article, the authors discuss the present experimental and theoretical understanding of SNS junctions with emphasis on the implications for future research and development of these devices, and conclude that there is little evidence supporting a conventional proximity effect interpretation in the majority of reported high-devices.