書誌事項
- タイトル別名
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- Analysis of Transient Photocurrent in Passivated Iron Electrode in Neutral Borate Solution
- チュウセイ ホウサンエン スイヨウエキチュウ ニ オケル テツ フドウタイ ヒ
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説明
The electronic properties of the passive films formed on iron in pH6.5 borate solution were investigated by measuring the transient photocurrent. An anodic spike-like photocurrent followed by a small steady one was observed after switching on the illumination onto the passive electrode. Another spike-like current was also observed in the reverse direction after switching off the illumination. The charges and time constants of decay of the spike-like current and the steady state photocurrent were measured as a function of film formation potential and measurement potential. A simulation was made to explain the transient behaviour of the photocurrent by assuming an equivalent circuit with the generation of a photo-induced free carrier pair in the n-type passive film. From the simulation the transient photocurrent behaviour can be explained from the relations among the thickness of the passive film, the recombination rate of the photo-induced free carrier in the film, the density of surface states, and the redox system in the solution which can energetically exchange the hole or electron with the electrode.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 53 (5), 479-486, 1989
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206483371392
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- NII論文ID
- 130007335368
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 3233779
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- データソース種別
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- JaLC
- NDL
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