Abstract
IN studies of the properties of films produced by vacuum evaporation, it is important to know whether appreciable contamination by the material of the boat or filament occurs under the normal evaporation conditions. The mass of a film is usually very small, and some properties of films are very sensitive to minute amounts of contamination. A test of high sensitivity is therefore required. The radioactive tracer method possesses this necessary sensitivity when there is a suitable isotope of the material of the boat.
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HEAVENS, O. Contamination of Evaporated Films by the Supporting Material of the Source. Nature 168, 664 (1951). https://doi.org/10.1038/168664a0
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DOI: https://doi.org/10.1038/168664a0
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