期刊
JOURNAL OF MATERIALS SCIENCE
卷 54, 期 16, 页码 11111-11116出版社
SPRINGER
DOI: 10.1007/s10853-019-03666-7
关键词
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资金
- National Key RD plan [2016YFB0400600, 2016YFB0400601]
- National Science Foundation of China [61574026, 11675198, 11875097, 61774072]
- Liaoning Provincial Natural Science Foundation of China [201602453, 201602176]
- China Postdoctoral Science Foundation [2016M591434]
- Dalian Science and Technology Innovation Fund [2018J12GX060]
High-quality CuGa2O4 film has been successfully prepared on beta-Ga2O3 ((2) over bar 01) single-crystal substrate via annealing method at 1050 degrees C temperature under air after evaporating Cu film. According to high-resolution X-ray diffraction measurement results, the crystallinity of CuGa2O4 film and epitaxial relationship between CuGa2O4 film and beta-Ga2O3 ((2) over bar 01) substrate was confirmed. The CuGa2O4 film has the preferred [111] orientation and the full-width half-maximum of CuGa2O4 film of (222) peak is 0.228 degrees. The CuGa2O4 (111) plane is parallel to the beta-Ga2O3 ((2) over bar 01) plane (out-plane) and the CuGa2O4 [(1) over bar(1) over bar2], and [110] directions are parallel to the beta-Ga2O3 [102] and [010] directions (in-plane), respectively. In addition, the lattice mismatch between CuGa2O4 [111] and beta-Ga2O3 ((2) over bar 01) substrate has also been calculated. These results suggest that high-quality and preferred orientation CuGa2O4 film can be prepared on beta-Ga2O3 ((2) over bar 01) substrate with Cu film.
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