Preparation of YBCO Superconducting Films by Sol-Gel Process

Gao Yang Zhao; Huang Li Zhang; Ren Zhong Xue; Yuan Qing Chen; Li Lei

doi:10.4028/www.scientific.net/MSF.546-549.2007

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HomeMaterials Science ForumMaterials Science Forum Vols. 546-549Preparation of YBCO Superconducting Films by...

Preparation of YBCO Superconducting Films by Sol-Gel Process

Abstract:

precursor solution was prepared using barium trifluoroacetae (Ba-TFA) and non-fluorine yttrium (Y) and copper (Cu) organic salts. The precursor solution was modified by benzalacetone (BzAcH), in which the Cu2+ were chelated with BzAcH, which preventing the loss of Cu in the pyrolysis process. Dense YBCO superconducting films with smooth surface, which confirmed by scanning electron microscopy (SEM), were repeatedly obtained through sol-gel process. X-ray diffraction (XRD) 2θ scanning and φ scanning indicated that the as-prepared YBCO films had good c-axis texture. YBCO films with superconducting transition temperature (TC) above 89K were obtained.

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Periodical:

Materials Science Forum (Volumes 546-549)

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2007-2010

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https://doi.org/10.4028/www.scientific.net/MSF.546-549.2007

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Online since:

May 2007

Authors:

Gao Yang Zhao, Huang Li Zhang, Ren Zhong Xue, Yuan Qing Chen, Li Lei

Keywords:

Chelator, Sol-Gel (SG), Superconducting Film, YBCO

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