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Magnetic Field Dependence of Critical Current Density of TFA-MOD Processed YBCO Coated Conductors

Published online by Cambridge University Press:  18 March 2011

Yutaka Yamada ,
SeokBeom Kim ,
Takeshi Araki ,
Toyotaka Yuasa ,
Yasuo Takahashi ,
Haruhiko Kurosaki ,
Yuh Shiohara ,
Izumi Hirabayashi ,
Yasuhiro Iijima  and
Kaoru Takeda
Yutaka Yamada
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
SeokBeom Kim
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Takeshi Araki
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Toyotaka Yuasa
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Yasuo Takahashi
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Haruhiko Kurosaki
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Yuh Shiohara
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Izumi Hirabayashi
Affiliation:
Superconductivity Research Laboratory, Mutsuno 2-chome 4-1, Atsuta-ku, Nagoya 456-8587, Japan
Yasuhiro Iijima
Affiliation:
Fujikura Ltd., 1-5-1, Kiba, Koto-ku, Tokyo 135-8512, Japan
Kaoru Takeda
Affiliation:
Fujikura Ltd., 1-5-1, Kiba, Koto-ku, Tokyo 135-8512, Japan
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Abstract

YBCO films on LaAlO3and IBAD (YSZ/Hastelloy) substrate were made by TFA-MOD (metalorganic deposition using trifluoroacetate) process. Improved coating solution resulted in high Jc at 77.3K and 0T of 7 MA/cm2 and 1.7 MA/cm2 for LaAlO3 and IBAD substrates, respectively. The magnetic field dependence of Jc at 77.3K also showed superior property: 105 A/cm2 at 4T (B//c-axis) for the LaAlO3substrate and at 3T (B//c-axis)) for IBAD substrate. Furthermore, the difference in Jc between single crystal LaAlO3and IBAD was small up to 3T. The present results imply that TFA-MOD process is promising for the practical YBCO coated conductor process.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 659: Symposium II – High-Temperature Superconductors-Crystal Chemistry, Processing & Properties , 2000 , II4.7
Copyright
Copyright © Materials Research Society 2001

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References

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