Title:
SOLUTION FOR FORMING RARE-EARTH SUPERCONDUCTIVE FILM, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2011/071103
Kind Code:
A1
Abstract:
Provided is a solution for dipping wherein, when producing a rare-earth superconductive composite metal oxide film by means of the dipping-pyrolysis process, cracks do not form in the heating process, which is performed for the purpose of removing organic components, even when the thickness of the rare-earth superconductive film produced in a single dip is 500nm or more, and without having to repeat the dipping and sintering process. A solution for producing a rare-earth superconductive film is made into a homogenous solution by dissolving, in a solvent formed by adding a polyhydric alcohol into a C1-8 univalent linear alcohol and/or water, a metal complex coordinated, in relation to a metal ion of a metallic species containing rare-earth elements, barium, and copper, with pyridine and/or at least one type of a tertiary amine, at least one type of a C1-8 carboxylic acid group, and, if needed, an acetylacetonate group.
Inventors:
MANABE TAKAAKI (JP)
YAMAGUCHI IWAO (JP)
KUMAGAI TOSHIYA (JP)
SOHMA MITSUGU (JP)
KONDOU WAKICHI (JP)
TSUKADA KENICHI (JP)
YAMAGUCHI IWAO (JP)
KUMAGAI TOSHIYA (JP)
SOHMA MITSUGU (JP)
KONDOU WAKICHI (JP)
TSUKADA KENICHI (JP)
Application Number:
PCT/JP2010/072104
Publication Date:
June 16, 2011
Filing Date:
December 09, 2010
Export Citation:
Assignee:
NAT INST OF ADVANCED IND SCIEN (JP)
MANABE TAKAAKI (JP)
YAMAGUCHI IWAO (JP)
KUMAGAI TOSHIYA (JP)
SOHMA MITSUGU (JP)
KONDOU WAKICHI (JP)
TSUKADA KENICHI (JP)
MANABE TAKAAKI (JP)
YAMAGUCHI IWAO (JP)
KUMAGAI TOSHIYA (JP)
SOHMA MITSUGU (JP)
KONDOU WAKICHI (JP)
TSUKADA KENICHI (JP)
International Classes:
C01G1/00; C01G3/00; H01B13/00; H01L39/24
Domestic Patent References:
| WO2008115249A2 | 2008-09-25 |
Foreign References:
| JP2008198396A | 2008-08-28 | |||
| JPS6469516A | 1989-03-15 | |||
| JP2002284526A | 2002-10-03 | |||
| JP2006096577A | 2006-04-13 | |||
| JPH01234305A | 1989-09-19 | |||
| JPS6465007A | 1989-03-10 | |||
| JPH05147941A | 1993-06-15 | |||
| JPH0476323A | 1992-03-11 | |||
| JPH0476324A | 1992-03-11 | |||
| JPH0710732A | 1995-01-13 | |||
| JPH07106905A | 1995-04-21 |
Other References:
ICHIRO MATSUBARA ET AL.: "Preparation of epitaxial YbBa2CU307-6 on SrTi03 single crystal substrates using a solution process", JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 38, no. 7A, 1 July 1999 (1999-07-01), pages 727 - 730, XP008157145
JOANNA MCKITTRICK ET AL.: "Chemical synthesis of spun-on thick films of oxide superconductors", THIN SOLID FILMS, vol. 206, 1991, pages 146 - 150, XP008157138
A. GUPTA, APPL. PHYS. LETT., vol. 52, 1988, pages 2077
P. C. MCLNTYRE ET AL., J. MATER. RES., vol. 5, 1990, pages 2771
ARAKI ET AL., CRYOGENIC ENGINEERING, vol. 35, 2000, pages 516
W. T. WANG ET AL., PHYSICA C, vol. 468, 2008, pages 1563
"Source: Solvent Handbook", 1963, SANGYO TOSHO
See also references of EP 2511235A4
JOANNA MCKITTRICK ET AL.: "Chemical synthesis of spun-on thick films of oxide superconductors", THIN SOLID FILMS, vol. 206, 1991, pages 146 - 150, XP008157138
A. GUPTA, APPL. PHYS. LETT., vol. 52, 1988, pages 2077
P. C. MCLNTYRE ET AL., J. MATER. RES., vol. 5, 1990, pages 2771
ARAKI ET AL., CRYOGENIC ENGINEERING, vol. 35, 2000, pages 516
W. T. WANG ET AL., PHYSICA C, vol. 468, 2008, pages 1563
"Source: Solvent Handbook", 1963, SANGYO TOSHO
See also references of EP 2511235A4
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