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BI-PB-CA-CU-O SUPERCONDUCTOR FILMS ON SINGLE-CRYSTAL GARNET SUBSTRATES

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UNSPECIFIED (1993) BI-PB-CA-CU-O SUPERCONDUCTOR FILMS ON SINGLE-CRYSTAL GARNET SUBSTRATES. In: WORLD CONGRESS ON SUPERCONDUCTIVITY, MUNICH, GERMANY, SEP 15-18, 1992. Published in: APPLIED SUPERCONDUCTIVITY, 1 (10-12). pp. 1961-1972. ISSN 0964-1807.

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Abstract

The use of garnet as substrates for growing high temperature superconductor films of Bi-Pb-Sr-Ca-Cu-O (BPSCCO) system is reported here. Thick films of BPSCCO with a prevalently high T(c). phase were successfully prepared on Gadolinium Gallium Garnet (GGG) substrates using the screen printing technique. The formation of superconducting phase on these substrates needed much lower heat treatment temperatures (30-40C lower than used for most known substrates) and heating time. Heat treatment at 800C for 2-6 hours was sufficient to give good a-b oriented films with a single sharp transition at 100K, having mostly a high T(c) phase. Films annealed at higher temperature showed two step transition and mixed phases. The microstructural, electrical, superconducting and cross sectional studies for interaction between film and substrate and their dependence on heat treatment temperatures are also reported here.

Item Type: Conference Item (UNSPECIFIED)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Journal or Publication Title: APPLIED SUPERCONDUCTIVITY
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
ISSN: 0964-1807
Official Date: October 1993
Dates:
DateEvent
October 1993UNSPECIFIED
Volume: 1
Number: 10-12
Number of Pages: 12
Page Range: pp. 1961-1972
Publication Status: Published
Title of Event: WORLD CONGRESS ON SUPERCONDUCTIVITY
Location of Event: MUNICH, GERMANY
Date(s) of Event: SEP 15-18, 1992

Data sourced from Thomson Reuters' Web of Knowledge

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