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Photoconductivity and Crystal Size in Evaporated Layers of Cadmium Sulphide

Nature volume 182, pages 862–863 (1958)Cite this article

Abstract

THE photoconductive properties of evaporated layers of cadmium sulphide have been the subject of relatively few studies as compared with the number of those applied to single crystals. Aitchinson1 showed some years ago that layers obtained by evaporation in a very good vacuum (better than 10–6 mm.) were photoconductive. His results were recently repeated by Nelson2, who pointed out the influence of the chemical purity of the starting material. In general, evaporated layers acquire their optimum photoconductive properties only after an activation treatment which may be provided by heating in air3 or heating in an inert atmosphere after covering by a thin evaporated layer of metal as was indicated by Veith4.

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References

  1. Aitchinson, R. E., Nature, 167, 812 (1951).

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  2. Nelson, R. C., J. Opt. Soc. Amer., 45, 774 (1955).

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  3. Forgue, S. V., Goodrich, R. R., and Cope, A. D., R.C.A. Rev., 12, 335 (1951).

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  4. Veith, M., C.R. Acad. Sci., Paris, 236, 947 (1950).

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Authors and Affiliations

  1. European Research Associates s.a., 95 rue Gatti de Gamond, Brussels

    J. M. GILLES & J. VAN CAKENBERGHE

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  1. J. M. GILLES
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  2. J. VAN CAKENBERGHE
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GILLES, J., VAN CAKENBERGHE, J. Photoconductivity and Crystal Size in Evaporated Layers of Cadmium Sulphide. Nature 182, 862–863 (1958). https://doi.org/10.1038/182862b0

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