Cathodoluminescence

Cathodoluminescence is an optical and electromagnetic phenomenon in which electrons impacting on a luminescent material such as a phosphor, cause the emission of photons which may have wavelengths in the visible spectrum. A familiar example is the generation of light by an electron beam scanning the phosphor-coated inner surface of the screen of a...
Found on http://en.wikipedia.org/wiki/Cathodoluminescence

cathodoluminescence

luminescence caused by the impact of electrons on certain types of luminescent materials, such as the coating on a television screen
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-04-25
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