Abstract
THE luminescence of air and fused quartz under α-particle irradiation has been observed previously using a photomultiplier1. The luminescence spectra of these and other materials excited by 100-keV. electrons have now been studied with a quartz spectrograph. The electron beam was obtained from a discharge tube, fitted with a metal Lenard window, the specimens being placed in external contact with the window. This method of exciting ‘scintillation’ spectra is advantageous since the specimens can be readily inserted, the luminescence is much more intense than that excited by the α-particle sources used by other observers2,3 and the self-luminosity of such sources1,4 is eliminated.
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BIRKS, J., LITTLE, W. Cathodoluminescence of Air, Quartz and Metal Films. Nature 174, 82–83 (1954). https://doi.org/10.1038/174082a0
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DOI: https://doi.org/10.1038/174082a0
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