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- 大島 多美子
- 熊本大学
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- 池上 知顯
- 熊本大学
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- 蛯原 健治
- 熊本大学
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- Thareja Raj Kumar
- Indian Institute of Technology
書誌事項
- タイトル別名
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- Photo-excited Photonic Characteristics of ZnO Thin Films Deposited by Laser Ablation Method
- レーザアブレーションホウ ニ ヨリ サクセイ サレタ ZnO ハクマク ノ ヒカリ レイキ フォトニック トクセイ
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抄録
Zinc oxide (ZnO) having a wide direct band gap of 3.37 eV at room temperature (RT) may be a new potential candidate for optoelectronic devices such as ultraviolet (UV) laser, blue light-emitting diode and phosphorescent display. We have studied the ZnO thin films deposited by pulsed laser ablation (PLA) method. In order to prepare high quality ZnO thin films, the spectroscopic properties of the plasma plume produced during film deposition were investigated to correlate the properties of the deposited film with plasma characteristics. Furthermore, we have deposited the ZnO thin films at various deposition conditions such as ambient oxygen gas pressure, substrate material and substrate temperature. We have investigated the effect of deposition conditions on structural and optical properties of the ZnO thin films. X-ray diffraction, atomic force microscopy, UV-visible photometry and photoluminescence measurements were used to characterize the grown films. The ZnO thin films deposited at ambient oxygen gas pressure of 5 mTorr and substrate temperature of 550°C showed highly c-axis (002) orientation. The ZnO thin film deposited on Al2O3 (0001) at these deposition conditions provided the UV stimulated emission around 395 nm.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 122 (7), 689-694, 2002
一般社団法人 電気学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390001204599535872
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- NII論文ID
- 130005404190
- 10008847700
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
- http://id.crossref.org/issn/03854205
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- NDL書誌ID
- 6204636
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可