Strong Ultraviolet and Green Emissions at Room Temperature from Annealed ZnO Thin Films.
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- Agyeman Onwona
- National Institute of Advanced Industrial Science and Technology, Kyushu, Tosu, Saga 841-0052, Japan Department of Physics, Saga University, Saga 840-8502, Japan
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- Xu Chao-Nan
- National Institute of Advanced Industrial Science and Technology, Kyushu, Tosu, Saga 841-0052, Japan
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- Shi Wensheng
- National Institute of Advanced Industrial Science and Technology, Kyushu, Tosu, Saga 841-0052, Japan
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- Zheng Xu-Guan
- Department of Physics, Saga University, Saga 840-8502, Japan
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- Suzuki Morio
- Department of Physics, Saga University, Saga 840-8502, Japan
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抄録
Undoped ZnO thin films were grown by rf magnetron sputtering on quartz-glass substrates and thermally annealed under various conditions such as in vacuum, reducing gas (5% H2 diluted in Ar), oxygen and argon ambient, up to 1100°C. We observed a strong excitonic (UV) emission peak around 3.26 eV, when the films were annealed in the reducing ambient whilst the films annealed in argon and oxygen showed strong deep-level emission peaks. The dependence of the UV and visible emissions on the film crystallinity and annealing is discussed.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 41 (2A), 666-669, 2002
The Japan Society of Applied Physics
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詳細情報
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- CRID
- 1390282681232444032
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- NII論文ID
- 210000052222
- 110006340807
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- NDL書誌ID
- 6086346
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 使用不可