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- W3105097054 abstract "Atomic hydrogen cleaning followed by heat cleaning at 450$^circ$C was used to prepare negative-electron-affinity GaAs photocathodes. When hydrogen ions were eliminated, quantum efficiencies of 15% were obtained for bulk GaAs cathodes, higher than the results obtained using conventional 600$^circ$C heat cleaning. The low-temperature cleaning technique was successfully applied to thin, strained GaAs cathodes used for producing highly polarized electrons. No depolarization was observed even when the optimum cleaning time of about 30 seconds was extended by a factor of 100." @default.
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- W3105097054 date "2005-08-01" @default.
- W3105097054 modified "2023-09-25" @default.
- W3105097054 title "ATOMIC HYDROGEN CLEANING OF POLARIZED GaAs PHOTOCATHODES" @default.
- W3105097054 doi "https://doi.org/10.1142/9789812701909_0198" @default.
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