Atomic hydrogen cleaning of polarized GaAs photocathodes

T. Maruyama; D. A. Luh; A. Brachmann; J. E. Clendenin; E. L. Garwin; S. Harvey; R. E. Kirby; C. Y. Prescott; R. Prepost

doi:10.1063/1.1581981

Atomic hydrogen cleaning of polarized GaAs photocathodes

T. Maruyama, D. A. Luh, A. Brachmann, J. E. Clendenin, E. L. Garwin, S. Harvey, R. E. Kirby, C. Y. Prescott, R. Prepost

物理學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

13 引文斯高帕斯（Scopus）

摘要

The preparation of polarized, negative electron affinity GaAs photocathodes was discussed. The photocathode was prepared using atomic hydrogen cleaning followed by heat cleaning at 450°C. Quantum efficiencies of 15% were obtained for the GaAs cathodes, when hydrogen ions were eliminated. Low temperature cleaning technique was applied for producing highly polarized electrons.

原文	???core.languages.en_GB???
頁（從 - 到）	4184-4186
頁數	3
期刊	Applied Physics Letters
卷	82
發行號	23
DOIs	https://doi.org/10.1063/1.1581981
出版狀態	已出版 - 9 6月 2003

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10.1063/1.1581981

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AU - Harvey, S.

AU - Kirby, R. E.

AU - Prescott, C. Y.

AU - Prepost, R.

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AB - The preparation of polarized, negative electron affinity GaAs photocathodes was discussed. The photocathode was prepared using atomic hydrogen cleaning followed by heat cleaning at 450°C. Quantum efficiencies of 15% were obtained for the GaAs cathodes, when hydrogen ions were eliminated. Low temperature cleaning technique was applied for producing highly polarized electrons.

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Atomic hydrogen cleaning of polarized GaAs photocathodes

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