Light-Induced Desorption of Cs from the Cs-Sb Photoemissive Cathode
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概要
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We have confirmed the desorption of Cs atoms from Cs-Sb photocathodes by external irradiation. The desorbed species are estimated as cesium by a work function of the captive filament method. This light-induced desorption is made predominant by the irradiation of infrared light (hν<1 eV), but not by visible light. To explain this phenomenon, the authors have calculated an adiabatic potential diagram of Cs adsorption on a Cs-Sb cathode surface, which safely explains the light-induced desorption.
- 社団法人応用物理学会の論文
- 1990-08-20
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