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Morphology and phase transformation of copper/aluminium oxide films
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Document Title
Morphology and phase transformation of copper/aluminium oxide films
Author
Panthawan A., Kumpika T., Sroila W., Kantarak E., Thongpan W., Pooseekheaw P., Sornphanpee R., Jumrus N., Sanmuangmoon P., Tuantranont A., Singjai P., Thongsuwan W.
Name from Authors Collection
Scopus Author ID
8532633300
Affiliations
Graduate School Chiang Mai University, 239, Huay Kaew Road, Muang, Chiang Mai, 50200, Thailand; Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, 239, Huay Kaew Road, Muang, Chiang Mai, 50200, Thailand; Faculty of Science, Chiang Mai University, 239, Huay Kaew Road, Muang, Chiang Mai, 50200, Thailand; Thailand Organic and Printed Electronics Innovation Center, National Electronics and Computer Technology Center, National Science and Technology Development Agency, Klong Luang, Pathumthani, 12120, Thailand; Center of Advanced Materials of Printed Electronics and Sensors, Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand; Materials Science Research Center, Faculty of Science, Chiang Mai University, 239, Huay Kaew Road, Muang, Chiang Mai, 50200, Thailand
Type
Article
Source Title
Ukrainian Journal of Physics
ISSN
20710186
Year
2018
Volume
63
Issue
5
Page
425-430
Open Access
All Open Access, Bronze
Publisher
National Academy of Sciences of Ukraine
DOI
10.15407/ujpe63.5.425
Format
Abstract
Copper aluminium oxide (CuAlO2) was successfully prepared within the single-step sparking process at the atmospheric pressure. The as-deposited films were then annealed at 400, 900, 1000, and 1100∘C in an oven. The results have shown that the annealing temperature has direct effect on the morphology, phase transformation, and optical properties. CuAlO2 in the delafossite phase was formed on the annealed films at temperatures higher than 900∘C. Furthermore, the energy band gaps of the annealed films were linearly increased from 3.3 to 3.8 eV with increasing the annealing temperature from 400 to 1100∘C due to a reduction of the oxygen deficit of films at high annealing temperatures. © A. PANTHAWAN, T. KUMPIKA, W. SROILA, E. KANTARAK, W. THONGPAN, P. POOSEEKHEAW, R. SORNPHANPEE, N. JUMRUS, P. SANMUANGMOON, A. TUANTRANONT, P. SINGJAI, W. THONGSUWAN, 2018.
Keyword
Annealing | CuAlO2 | Phase transformation | Sparking process
Industrial Classification
Knowledge Taxonomy Level 1
Knowledge Taxonomy Level 2
Knowledge Taxonomy Level 3
Funding Sponsor
Office of the Higher Education Commission; Chiang Mai University; National Science and Technology Development Agency; Thailand Research Fund; Thailand Graduate Institute of Science and Technology; Faculty of Science, Chiang Mai University
License
CC BY-NC
Rights
Author
Publication Source
Scopus