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Proceedings Paper

Microstructure and superconductivity of Bi-Sr-Ca-Cu-O/Bi-Sr-Cu-O multilayer thin films
Author(s): Kentaro Setsune; Akihiro Odagawa; Toshifumi Satoh; Hideaki Adachi; Kiyotaka Wasa
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Paper Abstract

Epitaxially grown multi-layers of Bi2Sr2CaCu2Oy (Bi-2212) and Bi2Sr2CuOx (Bi-2201) have been investigated referring to those microstructure and transport properties. Thin films have been prepared by a RF magnetron sputtering technique and laminated as the superconducting and non-superconducting layers. The samples have a variety of film thickness of each layer. The surface morphology, crystallization, diffusion and layered structures of these multi-layers were evaluated by TEM, AES, SIMS, STM-AFM and X-ray diffraction measurements. BSCO films exhibit normal conducting transport property even at 4.2 K. The superconducting properties such as change of Tc, a broadening of the transition and anisotropy in those properties under magnetic field were discussed. Those results suggested that the structural and electronic condition in N-layer seriously affect the superconducting interlayer coupling between superconducting layers through non- superconducting layers.

Paper Details

Date Published: 29 June 1994
PDF: 7 pages
Proc. SPIE 2157, Superconducting Superlattices and Multilayers, (29 June 1994); doi: 10.1117/12.179145
Show Author Affiliations
Kentaro Setsune, Matsushita Electric Industrial Co. Ltd. (Japan)
Akihiro Odagawa, Matsushita Electric Industrial Co. Ltd. (Japan)
Toshifumi Satoh, Matsushita Electric Industrial Co. Ltd. (Japan)
Hideaki Adachi, Matsushita Electric Industrial Co. Ltd. (Japan)
Kiyotaka Wasa, Matsushita Electric Industrial Co. Ltd. (Japan)

Published in SPIE Proceedings Vol. 2157:
Superconducting Superlattices and Multilayers
Ivan Bozovic, Editor(s)

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