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Titolo:
Anisotropic properties of BSCCO (2212) films deposited on tilted substrates
Autore:
Moriya, M; Sudoh, T; Koike, Y; Usami, K; Kobayashi, T; Goto, T;
Indirizzi:
Univ Electrocommun, Chofu, Tokyo 1828585, Japan Univ Electrocommun Chofu Tokyo Japan 1828585 Chofu, Tokyo 1828585, Japan
Titolo Testata:
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
fascicolo: 1, volume: 11, anno: 2001,
parte:, 3
pagine: 2700 - 2702
SICI:
1051-8223(200103)11:1<2700:APOB(F>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTRINSIC JOSEPHSON-JUNCTIONS; THIN-FILMS; BI2SR2CACU2O8+DELTA;
Keywords:
thin films; BiSrCaCuO (2212); high-Tc superconductor; tilted substrates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Moriya, M Univ Electrocommun, Chofu, Tokyo 1828585, Japan Univ Electrocommun Chofu Tokyo Japan 1828585 kyo 1828585, Japan
Citazione:
M. Moriya et al., "Anisotropic properties of BSCCO (2212) films deposited on tilted substrates", IEEE APPL S, 11(1), 2001, pp. 2700-2702

Abstract

Intrinsic Josephson junctions with single crystals or thin films of high-Tc superconductor have been studied. For this purpose, BiSrCaCuO (2212) films have been deposited on tilted strontium titanate substrates using a de sputtering system. Superconducting and structural properties of these films have already been reported in II]. In the present study, the surface morphology of films deposited on the tilted substrates is investigated by Atomic Force Microscopy, Many steps and terraces are seen in the film on the tiltedsubstrate. Furthermore, two more films, prepared on the tilted substrates simultaneously are subjected to resistivity measurements across and along the terraces, respectively. The anisotropy parameter gamma,((ratio of resistivity measured along the c-axis and the a-axis)<^>0.5), calculated from theresistivity measurement is found to be of the order of 50 in the films. A semiconductor-like behavior has been observed above the critical temperature in the temperature - resistivity characteristics, across the terraces.

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Documento generato il 09/04/20 alle ore 00:30:37