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首页> 外文期刊>Journal of Crystal Growth >Optimisation of single La_2Zr_2O_7 buffer layers for YBCO coated conductors prepared by chemical solution deposition
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Optimisation of single La_2Zr_2O_7 buffer layers for YBCO coated conductors prepared by chemical solution deposition

机译:化学溶液沉积制备YBCO涂层导体的单个La_2Zr_2O_7缓冲层的优化

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摘要

La_2Zr_2O_7 (LZO) buffer layers have been prepared on Ni-5 at%W tapes using chemical solution deposition. The local texture of the deposited layers has been studied throughout the thickness using ion-beam sputtering and election back-scattering diffraction (EBSD). The processing conditions have been optimised afterwards based on these results leading to a highly textured surface for annealing temperatures of 1050 ℃. YBa_2Cu_3O_(7-x) layers were deposited by pulsed laser deposition on these single LZO buffer layers and studied in detail using X-ray diffraction and EBSD. A close correlation was found between the surface texture and the superconducting properties.
机译:La_2Zr_2O_7(LZO)缓冲层已使用化学溶液沉积法在Ni-5 at%W胶带上制备。已使用离子束溅射和电子背散射衍射(EBSD)在整个厚度范围内研究了沉积层的局部织构。之后,根据这些结果优化了加工条件,从而在1050℃的退火温度下获得了高度纹理化的表面。通过脉冲激光沉积在这些单个LZO缓冲层上沉积YBa_2Cu_3O_(7-x)层,并使用X射线衍射和EBSD进行了详细研究。发现表面织构与超导性能之间密切相关。

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