中文摘要：

获得多功能单一过渡层是简化涂层导体多层结构的主要课题之一．采用化学溶液方法制备La掺杂CeO2过渡层，研究La掺杂量对CeO2薄膜表面形貌和双轴取向生长的影响．结果表明La掺杂量为10mol％的薄膜表面平整致密，且能保持锐利的双轴织构．通过多次涂敷工艺，获得具有120nm厚的Ce0.9La0.1O2过渡层．采用脉冲激光沉积方法在Ce0.9La0.1O2／NiW结构模板层上沉积了YBCO超导薄膜，其起始临界转变温度达到90．5K．这表明采用化学溶液方法制备Ce0.9La0.1O2薄膜是一种有前景的简化涂层导体多层结构的方法．

英文摘要：

Developing multi-functional single buffer layer is one of the most important challenges for simplification of coated conductors configuration.La-doped CeO2 films were prepared by chemical solution method.And surface morphology and texture quality of the La-doped CeO2 films were investigated in details.The results show that the as-obtained pore-free Ce0.9La0.1O2 film are epitaxially deposited on the textured NiW substrate.The 120nm thickness Ce0.9La0.1O2 film is obtained though multi-coating route.The YBCO film with Tco=90.5K,which is deposited on Ce0.9La0.1O2/NiW metallic template by PLD method.It suggects that Ce0.9La0.1O2 film prepared by chemical solution route have a promising prospect for the simplification of coated conductors configuration.