期刊
THIN SOLID FILMS
卷 662, 期 -, 页码 33-40出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2018.07.027
关键词
Laser chemical vapor deposition; CeO2 buffer layer film; YBCO film; Hastelloy C276 metal substrate; Double-layer film
类别
资金
- National Natural Science Foundation of China [51302199]
- Key Natural Science Foundation of Hubei Province of China for distinguished Yong Scholars [2014CFA044]
- Cultivation plan for science and technology talents of WuHan City [2014072704011253]
A double-layer YBa2Cu3O7-delta/CeO2 film was prepared on a Hastelloy C276 metal substrate with mull-buffer layers of LaMnO3/MgO/Gd2Zr2O by laser chemical vapor deposition. The CeO2 film showed a highly (100) preferred orientation with a full width at half maximum of 3.4 degrees of the omega-scan on the (200) reflection and that of 5.0 degrees of the phi-scan on the (220) reflection. The YBCO film showed a (110) preferred orientation with coexistence of c-axis-oriented grains. The (110)-oriented YBCO grains showed wedge-shaped morphology while the c-axisoriented grains had dense surface and cross section.
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