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Der photokapazitive Effekt bei CdS-Kristallen zwischen 5 und 80° K

The photocapacitive effect of CdS-crystals in the temperature range 5 to 80 °K

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Zeitschrift für Physik A Hadrons and nuclei

Abstract

The photocapacitive effects in CdS-crystals were investigated at frequencies between 60 Hz and 300 kHz and during the rise and the decay — also with thermal quenching — with temperatures between 5 and 80 °K. Measurements of the rise, decay, and thermal quenching were also performed on the photoconductivity. Both investigations had similar results regarding temperature dependence and time response. They are explained by the assumption of a photocapacitive effect by conduction in an impurity band — photoconductive effect of second kind — at temperatures below 40 °K with trap levels corresponding to 20–40°K.

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Auszugsweise vorgetragen auf der Physikertagung 1967, Berlin. Diese Veröffentlichung enthält wesentliche Teile der Diplomarbeit von E. Butzke.

Wir danken I. Broser für Anregungen zu dieser Arbeit und viele stimulierende Diskussionen des Themas, Ruth Broser für Rat und Hilfe in Kristall- und Kontaktierungsfragen, G. Klipping für seine Unterstützung bei der Entwicklung des Verdampfer-Kryostaten und Fräulein Monika Kindler für ihre Hilfe bei den Messungen.

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Butzke, E., Reuber, C. Der photokapazitive Effekt bei CdS-Kristallen zwischen 5 und 80° K. Z. Physik 230, 278–286 (1970). https://doi.org/10.1007/BF01394692

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  • DOI: https://doi.org/10.1007/BF01394692

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