Ex-Situ Post-Deposition Processing for Large Area Y(1)BA(2)CU(3)O(7) Films and Coated Tapes

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Ex-situ post-deposition reaction processing is considered a promising alternative to in-situ physical vapor deposition techniques for coated Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7} conductor development. It was reported recently, that attempts at ex-situ processing of long Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7} precursor tapes resulted in an inhomogeneous growth rate over the tape length and rather poor properties for the whole sample. We performed a set of experiments in order to clarify the mechanisms for the ex-situ processing of large area films and estimate properties of long coated conductors manufactured by the ex-situ technique. It was found that rate limiting step of … continued below

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4 pages

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Solovyov, V.; Wiesmann, H. J.; Wu, L. J.; Zhu, Y. & Suenaga, M. September 18, 2000.

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Ex-situ post-deposition reaction processing is considered a promising alternative to in-situ physical vapor deposition techniques for coated Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7} conductor development. It was reported recently, that attempts at ex-situ processing of long Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7} precursor tapes resulted in an inhomogeneous growth rate over the tape length and rather poor properties for the whole sample. We performed a set of experiments in order to clarify the mechanisms for the ex-situ processing of large area films and estimate properties of long coated conductors manufactured by the ex-situ technique. It was found that rate limiting step of ex-situ growth of Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7} is removal of the reaction product, hydrofluoric acid, by both gas diffusion and convection in the reaction atmosphere. We report on a quantitative model that well describes the observed growth rates for films with various areas.

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4 pages

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  • APPLIED SUPERCONDUCTIVITY CONFERENCE ASC2000, VIRGINIA BEACH, VA (US), 09/18/2000--09/22/2000

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  • Report No.: BNL--68263
  • Report No.: EB5001000
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 780781
  • Archival Resource Key: ark:/67531/metadc720882

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Office of Scientific & Technical Information Technical Reports

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  • September 18, 2000

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  • Sept. 29, 2015, 5:31 a.m.

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  • June 18, 2020, 10:41 a.m.

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Solovyov, V.; Wiesmann, H. J.; Wu, L. J.; Zhu, Y. & Suenaga, M. Ex-Situ Post-Deposition Processing for Large Area Y(1)BA(2)CU(3)O(7) Films and Coated Tapes, article, September 18, 2000; Upton, New York. (https://digital.library.unt.edu/ark:/67531/metadc720882/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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