Abstract
We have fabricated an in-plane aligned YBa 2Cu 3O 7− x (Y123) film on Ag(100) single crystalline substrate and {100}[001] cubic textured silver tape by the liquid phase epitaxial (LPE) method. In order to improve the in-plane alignment of the Y123 film, a 500-nm-thick MgO buffer layer deposited by reactive pulsed laser deposition is inserted between the silver substrate and Y123. The deposited MgO buffer layer showed good in-plane alignment. LPE-grown Y123 thick film on the MgO buffer layer was highly c-axis oriented and showed good epitaxial in-plane alignment. The observed orientation is explained by the near coincident site lattices (NCSL) model.
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