Method of forming superconducting Tl-Ba-Ca-Cu-O films

Wessels, Bruce W.; Marks, Tobin J.; Richeson, Darrin S.; Tonge, Lauren M.; Zhang, Jiming

Title: Method of forming superconducting Tl-Ba-Ca-Cu-O films

Patent · Fri Jan 01 00:00:00 EST 1993

OSTI ID:868656

Wessels, Bruce W.; Marks, Tobin J.; Richeson, Darrin S.; Tonge, Lauren M.; Zhang, Jiming

A method of forming a superconducting Tl-Ba-Ca-Cu-O film is disclosed, which comprises depositing a Ba-Ca-Cu-O film on a substrate by MOCVD, annealing the deposited film and heat-treating the annealed film in a closed circular vessel with TlBa.sub.2 Ca.sub.2 Cu.sub.3 O.sub.x and cooling to form said superconducting film of TlO.sub.m Ba.sub.2 Ca.sub.n-1 Cu.sub.n O.sub.2n+2, wherein m=1,2 and n=1,2,3.

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Research Organization:: Northwestern Univ., Evanston, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG02-86ER13511

Assignee:: Northwestern University (Evanston, IL)

Patent Number(s):: 5,185,317

Application Number:: 07/691,477

OSTI ID:: 868656

Resource Relation:: Patent File Date: 1991 Apr 25

Country of Publication:: United States

Language:: English

References (13)

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Volatile alkaline earth chelates of fluorinated alkanoylpivalylmethanes Belcher, R.; Cranley, C. R.; Majer, J. R. Analytica Chimica Acta, Vol. 60, Issue 1 https://doi.org/10.1016/S0003-2670(01)81889-4	journal	June 1972
Luminescence of Europium Hexafluoroacetylacetonate Halverson, F.; Brinen, J. S.; Leto, J. R. The Journal of Chemical Physics, Vol. 40, Issue 10 https://doi.org/10.1063/1.1724907	journal	May 1964
Thin film studies of oxides by the organometallic-CVD technique Prakash, Hari Progress in Crystal Growth and Characterization, Vol. 6, Issue 4 https://doi.org/10.1016/0146-3535(83)90014-X	journal	January 1983
Forming Superconducting Tl-Ca-Ba-Cu-O Thin Films by the Diffusion Method Lin, R. J.; Wu, P. T. Japanese Journal of Applied Physics, Vol. 28, Issue Part 2, No. 1 https://doi.org/10.1143/JJAP.28.L85	journal	January 1989
Formation of Bismuth Strontium Calcium Copper Oxide Superconducting Films by Chemical Vapor Deposition Yamane, Hisanori; Kurosawa, Hideyuki; Hirai, Toshio Japanese Journal of Applied Physics, Vol. 27, Issue Part 2, No. 8 https://doi.org/10.1143/JJAP.27.L1495	journal	August 1988
Fractional sublimation of various metal chelates of dipivaloylmethane Berg, Eugene W.; Herrera, Nicolas M. Analytica Chimica Acta, Vol. 60, Issue 1 https://doi.org/10.1016/S0003-2670(01)81890-0	journal	June 1972
Preparation and Characterization of some Rare-Earth Complexes of the Phthalocyanine Radical Sugimoto, Hiroshi; Higashi, Teruaki; Mori, Masayasu Chemistry Letters, Vol. 12, Issue 8 https://doi.org/10.1246/cl.1983.1167	journal	August 1983
Preparation of nickel and Ni-Zn ferrite films by thermal decomposition of metal acetylacetonates Itoh, Hideaki; Takeda, Tadashi; Naka, Shigeharu Journal of Materials Science, Vol. 21, Issue 10 https://doi.org/10.1007/BF02403020	journal	October 1986
Rare earth chelates of 1,1,1,2,2,3,3-heptafluoro-7,7-dimethyl-4,6-octanedione Springer, Charles S.; Meek, Devon W.; Sievers, Robert E. Inorganic Chemistry, Vol. 6, Issue 6 https://doi.org/10.1021/ic50052a009	journal	June 1967
Fractional sublimation of the β-diketone chelates of the lanthanide and related elements Berg, Eugene W.; Jaime Chiang Acosta, J. Analytica Chimica Acta, Vol. 40 https://doi.org/10.1016/S0003-2670(00)86700-8	journal	January 1968
Formation of Tl‐Ca‐Ba‐Cu‐O films by diffusion of Tl into rf‐sputtered Ca‐Ba‐Cu‐O Qiu, C. X.; Shih, I. Applied Physics Letters, Vol. 53, Issue 12 https://doi.org/10.1063/1.100661	journal	September 1988
Organometallic chemical vapor deposition of high T _c superconducting Bi‐Sr‐Ca‐Cu‐O films Zhang, Jiming; Zhao, Jing; Marcy, Henry O. Applied Physics Letters, Vol. 54, Issue 12 https://doi.org/10.1063/1.101481	journal	March 1989

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Title: Method of forming superconducting Tl-Ba-Ca-Cu-O films

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