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Structural investigation of the BaSnO_3-YBa_2Cu _3O_(7-x) system

机译:BaSnO_3-YBa_2Cu _3O_(7-x)系统的结构研究

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摘要

We report the microstructure change of BaSnO_3 (BSO)-YBa _2Cu_3O_(7-x) (YBCO) thin film system grown on SrTiO_3 single crystal substrates by pulsed laser deposition with using the "surface-modified-target" and "mixture-target" methods. Although it was confirmed that the thick BSO nanorods incorporated to YBCO films act as strong artificial pinning centers, the formation mechanism of the nanorods is still unclear. The purpose of this work is to extend the structural investigation to higher contents of BSO (up to 71 vol.%) in order to enlighten the relationship among interfacial energy, morphology and pinning performance in binary BSO-YBCO films.
机译:我们报告了使用“表面改性靶”和“混合靶”通过脉冲激光沉积在SrTiO_3单晶衬底上生长的BaSnO_3(BSO)-YBa _2Cu_3O_(7-x)(YBCO)薄膜系统的微观结构变化。方法。尽管已证实掺入YBCO膜中的厚BSO纳米棒可作为牢固的人工钉扎中心,但纳米棒的形成机理仍不清楚。这项工作的目的是将结构研究扩展到更高含量的BSO(最高71%(体积)),以启发二元BSO-YBCO薄膜的界面能,形态和钉扎性能之间的关系。

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