Fabrication of YBCO Films by Metalorganic Deposition Using Trifluoroacetates and its Process Conditions

Fabrication of YBCO superconductor by the MOD method has many advantages: precise controllability of metal components, wide flexibility to coating objects, and low-cost nonvacuum approach. We succeeded in the preparation of a high-quality coating solution that enables us to obtain YBCO films having...

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Published inTEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) Vol. 35; no. 11; pp. 516 - 522
Main Authors YAMAGIWA, Katsuya, HIRABAYASHI, Izumi, ARAKI, Takeshi
Format Journal Article
LanguageEnglish
Published CRYOGENICS AND SUPERCONDUCTIVITY SOCIETY OF JAPAN 2000
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ISSN0389-2441
1880-0408
DOI10.2221/jcsj.35.516

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Abstract Fabrication of YBCO superconductor by the MOD method has many advantages: precise controllability of metal components, wide flexibility to coating objects, and low-cost nonvacuum approach. We succeeded in the preparation of a high-quality coating solution that enables us to obtain YBCO films having high critical currents (Ic). We also investigated processing conditions: proper control of water vapor in furnace, suppression of the reaction between substrate and fluoride during heat treatments, and other process conditions. By their optimization, we can successfully fabricate the film, which has Jc of 4.6MA/cm2 at 77K, 0T. The results show the potentiality of the TFA-MOD method for high-temperature superconductor applications.
AbstractList Fabrication of YBCO superconductor by the MOD method has many advantages: precise controllability of metal components, wide flexibility to coating objects, and low-cost nonvacuum approach. We succeeded in the preparation of a high-quality coating solution that enables us to obtain YBCO films having high critical currents (Ic). We also investigated processing conditions: proper control of water vapor in furnace, suppression of the reaction between substrate and fluoride during heat treatments, and other process conditions. By their optimization, we can successfully fabricate the film, which has Jc of 4.6MA/cm2 at 77K, 0T. The results show the potentiality of the TFA-MOD method for high-temperature superconductor applications.
Author ARAKI, Takeshi
YAMAGIWA, Katsuya
HIRABAYASHI, Izumi
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References_xml – reference: 11) M. J. Cima and P. C. McIntyre: U.S. Patent 5,231,074 (1993)
– reference: 10) R. Feenstra, A. Goyal, D. K. Christen, D. T. Verebelyi, M. Paranthaman and D. F. Lee: ISS'99, WTP-20 (unpublished)
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– reference: 9) R. Feenstra, T. B. Lindermer, J. D. Budai and M. D. Galloway: J. Appl. Phys. 69 (9) (1991) 6569
– reference: 5) P. C. McIntyre, M. J. Cima and Man Fai Ng: J. Appl. Phys. 68 (8) (1990) 4183
– reference: 3) M. J. Cima, J. S. Schneider and S. C. Peterson: Appl. Phys. Lett. 53 (8) (1988) 710
– reference: 7) J. A. Smith, M. J. Cima and N. Sonnenberg Appl. Supercond.: IEEE Trans. Appl. Supercond. 9 (1999) 1531
– reference: 1) K. Yamagiwa, J. Shibata, T. Hirayama and I. Hirabayashi: Physica C 309 (1998) 231
– reference: 4) A. Gupta, R. Jagannathan, E. I. Cooper, E. A. Giess, J. I. Landman and B. W. Hussey: Appl. Phys. Lett. 52 (24) (1988) 2077
– reference: 8) T. Araki, K. Yamagiwa, S. B. Kim, K. Matsumoto and I. Hirabayashi: Advances in Superconductivity XII (1999) 611
– reference: 2) K. Yamagiwa, I. Hirabayashi, X. Ma, J. Shibata and T. Hirayama: IEEE Trans. Appl. Supercond. 9 (1998) 1459
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Snippet Fabrication of YBCO superconductor by the MOD method has many advantages: precise controllability of metal components, wide flexibility to coating objects, and...
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StartPage 516
SubjectTerms metalorganic deposition
process conditions
trifluoroacetate
YBCO superconductor
Title Fabrication of YBCO Films by Metalorganic Deposition Using Trifluoroacetates and its Process Conditions
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