THE EFFECT OF THERMAL RADIATION ON THE ELECTRICAL RESISTANCE OF HYDROPHILIC ORGANIC FILMS
- 1 November 1953
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 31 (7), 1095-1105
- https://doi.org/10.1139/p53-094
Abstract
When thermal radiation falls on certain organic films it increases their electrical conductivity markedly; these films are all hydrophilic. Gelatin showed this effect in the most satisfactory manner but the noise in the film was quite large. In some cases the relative humidity of the air surrounding the film had a definite influence on the noise but there was apparently some other and more important factor involved which it has not been possible so far to identify and eliminate; consequently the hydrophilic film cannot compete with the inorganic detectors. The films were also found to be electrically sensitive to minute atmospheric pressure changes.Keywords
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