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本文采用金属有机盐沉积(MOD)方法,在钇稳定氧化锆(YSZ)单晶上依次制备了CeO2过渡层和YBCO超导层,测得其Tc,onset值为90.5 K,Jc值为1.3 MA/cm2.在沉积YBa2Cu3O7-x(YBCO)过程中发现薄膜中生成了BaCeO3相,继而对该相的生成条件及其对YBCO性能的影响进行了研究.结果表明BaCeO3是在YBCO相生成之后,CeO2与YBCO反应生成的,且以MOD方法制备的YBCO薄膜时难以避免BaCeO3相的产生.

参考文献

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