Improved biaxial texture of tri-layer YBCO/CaTiO3/YBCO films using an all chemical solution deposition method

•The tri-layer YBCO/CTO/YBCO film with the texture improvement was prepared by using an all chemical solution deposition method.•The effect of the CTO interlayer on the microstructure, texture and critical current density of YBCO thick films was discussed.•The reason that the JC was improved through...

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