Ultraviolet-light-induced desorption of oxygen from SrTiO3 surfaces
書誌事項
- タイトル別名
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- Ultraviolet light induced desorption of oxygen from SrTiO3 surfaces
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抄録
<jats:p> We have previously reported that SrTiO<jats:sub>3</jats:sub>-based thin films can be used to detect trace amounts of oxygen (e.g., down to 0.001 ppt). However, the SrTiO<jats:sub>3</jats:sub> surfaces are highly active against oxygen adsorption. Therefore, the slow desorption response can affect the response speed of the sensors against the sudden change in oxygen concentration. We have reported that UV light irradiation is effective for accelerating oxygen desorption, and in this paper, we will show that the increase in the irradiation intensity of UV light can be an efficient way of improving the response speed. As an example, an apparent hysteresis in the sensor resistance versus oxygen concentration curve, which is shown after the UV irradiation at a low intensity, diminishes after the UV irradiation at a high intensity, even after short-lasting treatments. </jats:p>
収録刊行物
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- Japanese journal of applied physics : JJAP
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Japanese journal of applied physics : JJAP 50 (4), 041502-, 2011-04
Tokyo : The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1520009407045230080
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- NII論文ID
- 40018800872
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- NII書誌ID
- AA12295836
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- ISSN
- 00214922
- 13474065
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- NDL書誌ID
- 11075406
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- 本文言語コード
- en
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- NDL 雑誌分類
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- ZM35(科学技術--物理学)
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- データソース種別
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- NDL
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