Influence of Ag Substrate Textures and Surface Condition on Properties of YBCO Film

Abstract

Abstract: In order to study the influence of the texture and surface morphology of Ag substrates on the YBCO film properties, YBCO films were deposited on three different Ag substrates.
The YBCO film deposited on Ag substrate annealed in vacuum has a poor texture and low J_c. in addition, the film is loose and
unconnected. The YBCO films deposited on Ag substrate annealed in Ar atmosphere have strong c biaxial texture and higher J_c
1.2×10⁴A/cm². The texture of YBCO film deposited on the cold rolled Ag substrate is not as strong as the texture of the film deposited on Ag substrate annealed in Ar atmosphere.
Due to its smooth surface, the YBCO film deposited on the cold rolled Ag substrate still has higher J_c of 1.5×10⁴A/cm².

Key words: MOD, Ag, YBCO, coated conductor

CLC Number:

TM26

LIU Min,DONG Jie,ZHAO Yue,LIU Dan-Min,ZHOU Mei-Ling. Influence of Ag Substrate Textures and Surface Condition on Properties of YBCO Film[J]. Journal of Inorganic Materials.

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Influence of Ag Substrate Textures and Surface Condition on Properties of YBCO Film

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