Summary
The investigations on dark current in photomultipliers with Cs-Sb- and Li-Sb-photocathodes indicate that these cathodes show a delayed emission of electrons after each exposition to light. The addition of a certain number of elements to the cathode-layer reduces this delayed emission and at the same time the dark current of the photocathode.
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Literaturverzeichnis
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Schaetti, N. Beeinflussung der Charakteristik einer Cs-Sb-Photokathode durch Zusatz fremder Elemente. Journal of Applied Mathematics and Physics (ZAMP) 4, 450–459 (1953). https://doi.org/10.1007/BF02067902
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DOI: https://doi.org/10.1007/BF02067902