YBCO涂层超导材料是一种有着广泛应用前景和巨大潜在商业价值的高温超导材料之一.要真正实现其实用化,不仅要提高涂层超导自场下的载流能力,而且要求它在较高的外加磁场下也具有较大的载流能力,所以提高薄膜的场性能成为涂层超导研究的热点.本文详细地总结了目前常用的三种改进YBCO高场性能的方法,即:1)纳米颗粒掺杂;2)改变过渡层的表面粗糙度;3)制备夹层结构薄膜的方法,并从制备工艺对性能的影响、存在的优缺点以及未来的发展趋势等方面介绍了提高YBCO涂层超导场性能这一领域的国内外最新研究进展.
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