Zinc Plasma Emission from Zinc Oxide Ceramics under a Microwave Electric Field
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概要
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We studied the effects of microwave irradiation on ZnO ceramics under vacuum to clarify the emission of zinc and oxygen plasmas from ZnO, while simultaneously focusing on the material’s optical properties. We observed the emission of zinc and oxygen plasmas during intense absorption of microwaves as well as the deposition of zinc and zinc oxide films. Absorption coefficient and photoluminescence spectra suggest that zinc and oxygen plasmas were produced from grain surfaces of ZnO by microwave irradiation under vacuum, a phenomenon which was observed in a previous study on TiO2 [Jpn. J. Appl. Phys. 48 (2009) 116003].
- 2010-08-25
著者
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Shinohara Naoki
Research Institute For Sustainable Humanosphere Kyoto University
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Mitani Tomohiko
Research Institute For Sustainable Humanosphere (rish) Kyoto University
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Ohgaki Hideaki
Institute of Advanced Energy (IAE), Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Sonobe Taro
Graduate School of Energy Science, Kyoto University, Yoshida Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
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Hachiya Kan
Graduate School of Energy Science, Kyoto University, Yoshida Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
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Hachiya Kan
Graduate School of Energy Science, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Shinohara Naoki
Research Institute for Sustainable Humanosphere (RISH), Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Sonobe Taro
Graduate School of Energy Science, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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