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Surfaces of materials irradiated by an electron beam emit low-energy secondary electrons and backscattered primary electrons. The total emission yield. defined as the ratio of the number of emitted electrons to the number of incident electrons. increases with decreasing primary energy. At the second crossover point this ratio equals unity and with further decreasing energy the emission yield reaches...
With the widespread use of dielectric materials in high-radiation environments the behavior of the radiation-induced conductivity of dielectrics has acquired considerable importance. Numerous authors have investigated the dielectric response to short, intense bursts of radiation. The long-time behavior of the induced conductivity of insulators determines the amount of charge build-up which has been...
Polymer films used in the space environment are frequently exposed to partially penetrating electrons and show therefore often long-lasting charge-trapping effects. The physical processes responsible for the charge buildup and decay can only be understood with an accurate knowledge of the spatial charge profiles within the dielectrics. While calculations of charge profiles in radiation-charged dielectrics...
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