Influence of Exposure to CO, CO_2 and H_2O on the Stability of GaAs Photocathodes
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概要
- 論文の詳細を見る
The influence of CO, CO_2 and H_2O gases on the stability of negative-electron-affinity (NEA) GaAs photocathodes during operation is investigated in the present work. We have found that exposure both to H_2O and CO_2 decreases the photocurrent of the photocathode. However, exposure to CO, which is known as a harmful gas to various photocathodes, has little effect on the photocathode stability. Furthermore, the effects of these gases on the restoration of the photocurrent by additional cesium deposition are investigated. These results are discussed with regard to the Cs/O activation layer which plays an important role in NEA GaAs photocathodes.
- 社団法人応用物理学会の論文
- 1990-10-20
著者
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野村 卓志
静岡大学電子工学研究所
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Nomura Takashi
Research Institute for Cell Engineering (RICE), National Institute of Advanced Industrial Science an
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Hagino Minoru
Research Institute of Electronics, Shizuoka University
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Hagino Minoru
Research Institute Of Electronics Shizuoka University
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Wada Tatsuaki
Research Institute Of Electronics Shizuoka University
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NITTA Toshiyuki
Research Institute of Electronics, Shizuoka University
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MIYAO Masahiro
Research Institute of Electronics, Shizuoka University
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Miyao M
Muroran Inst. Technol. Hokkaido Jpn
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Miyao Masahiro
Research Institute Of Electronics Shizuoka University
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Nitta Toshiyuki
Research Institute Of Electronics Shizuoka University
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Nomura Takashi
Research Institute For Cell Engineering (rice) National Institute Of Advanced Industrial Science And
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