Dynamic Responses of Photoconduction in TiOx Films Prepared by Radio Frequency Magnetron Sputtering
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概要
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The photoexcitation and decay of photoconduction with UV irradiation have been studied in titanium oxide films prepared by the rf magnetron sputtering. Dynamic responses of photocurrent are represented by a stretched exponential function, and a long-term photocurrent decay suggests that the photoexcited carriers recombine under potential fluctuations (band-edge modulations of the conduction and valence bands). Important physical parameters related to the band-edge profiles are given by our proposed model.
- 2010-09-25
著者
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SHIMAKAWA Koichi
Department of Clinical Pathology, Tenri Hospital
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Sakaguchi Koichi
Faculty of Engineering, Aichi University of Technology, 50-2 Manori Nishihazama, Gamagori, Aichi 443-0047, Japan
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Hatanaka Yoshinori
Faculty of Engineering, Aichi University of Technology, 50-2 Manori Nishihazama, Gamagori, Aichi 443-0047, Japan
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Shimakawa Koichi
Department of Electrical and Electronic Engineering, Gifu University, Gifu 501-1193, Japan
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