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首页> 外文期刊>Physica, C. Superconductivity and its applications >Effect of target density on YBCO thin films deposited from nanograined targets
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Effect of target density on YBCO thin films deposited from nanograined targets

机译：靶密度对纳米颗粒靶沉积YBCO薄膜的影响

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摘要

Nanograined YBa2Cu3O6 x (YBCO) targets with grain sizes of 25–45 nm and different densities were prepared with sol–gel method. The properties of the thin films laser deposited from these targets were systematically studied. It was found that most parameters are not clearly affected by the target density, although the surface roughness decreased with target density. A small effect of decreasing Jc with increasing target density was observed, but this can be interpreted as film to film variation. On the other hand, a negative correlation between the accommodation field, B , and zero field Jc was observed and B was found to increase with increasing number of lattice defects. Thus target density is found not to have a large effects on the superconducting or structural properties of YBCO thin films.
机译：用溶胶-凝胶法制备了纳米晶粒的YBa2Cu3O6 x（YBCO）靶，其晶粒尺寸为25-45 nm，并且密度不同。系统地研究了从这些靶沉积的激光薄膜的性能。已发现，尽管表面粗糙度随目标密度而降低，但大多数参数并未明显受到目标密度的影响。观察到随着目标密度的增加，Jc减小的效果很小，但这可以解释为膜与膜之间的差异。另一方面，观察到调节场B和零场Jc之间存在负相关，并且发现B随着晶格缺陷数的增加而增加。因此发现目标密度对YBCO薄膜的超导或结构性能没有很大的影响。

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