Solution processing of YBa{sub 2}Cu{sub 3}O{sub 7{minus}x} thin films

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The aim of this work was to develop a non-vacuum chemical deposition technique for YBa{sub 2}Cu{sub 3}O{sub 7{minus}x} (YBCO) coated conductors on rolling-assisted biaxially textured substrates (RABiTS). The authors have chosen the metal-organic decomposition (MOD) and sol-gel precursor routes to grow textured YBCO films. In the MOD process, yttrium 2-ethylhexonate, barium neodecanoate, copper 2-ethylhexonate and toluene were used as the starting reagents. YBCO films processed by the MOD method on SrTiO{sub 3} (100) single crystal substrates were consisted of c and a-axis oriented materials. These films also contained some amount of the random phase. The c and a-axis oriented materials ... continued below

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8 p.

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Singhal, A.; Paranthaman, M.; Specht, E. D.; Hunt, R. D.; Beach, D. B.; Martin, P. M. et al. December 1997.

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Description

The aim of this work was to develop a non-vacuum chemical deposition technique for YBa{sub 2}Cu{sub 3}O{sub 7{minus}x} (YBCO) coated conductors on rolling-assisted biaxially textured substrates (RABiTS). The authors have chosen the metal-organic decomposition (MOD) and sol-gel precursor routes to grow textured YBCO films. In the MOD process, yttrium 2-ethylhexonate, barium neodecanoate, copper 2-ethylhexonate and toluene were used as the starting reagents. YBCO films processed by the MOD method on SrTiO{sub 3} (100) single crystal substrates were consisted of c and a-axis oriented materials. These films also contained some amount of the random phase. The c and a-axis oriented materials were epitaxial on SrTiO{sub 3} substrates. Films have a T{sub c,onset} of 89K and the best superconducting transition temperature of 63K. Films pyrolyzed at 525 C and subsequently annealed at 780 C in a p(O{sub 2}) of 3.5 {times} 10{sup {minus}4} atm contained YBCO phase predominantly in a-axis orientation. In the sol-gel route, yttrium-isopropoxide, barium metal, copper methoxide and 2-methoxyethanol were used as the starting reagents. Sol-gel YBCO films on SrTiO{sub 3} substrates were epitaxial and c-axis oriented.

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8 p.

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INIS; OSTI as DE98005654

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  • 1997 fall meeting of the Materials Research Society, Boston, MA (United States), 1-5 Dec 1997

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  • Other: DE98005654
  • Report No.: ORNL/CP--98102
  • Report No.: CONF-971201--
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/654193 | External Link
  • Office of Scientific & Technical Information Report Number: 654193
  • Archival Resource Key: ark:/67531/metadc708202

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  • December 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 17, 2015, 4:02 p.m.

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Singhal, A.; Paranthaman, M.; Specht, E. D.; Hunt, R. D.; Beach, D. B.; Martin, P. M. et al. Solution processing of YBa{sub 2}Cu{sub 3}O{sub 7{minus}x} thin films, report, December 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc708202/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.