Surface dissociation of potassium chloride by low-energy electron bombardment
作者： P.W. Palmberg , T.N. Rhodin
DOI: 10.1016/0022-3697(68)90041-3
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摘要: Abstract Surface dissociation of ultrahigh vacuum-cleaved KCl during low-energy electron irradiation has been observed. The method employs a mass spectrometer to measure the desorption rate products and Auger spectroscopy for determination surface composition. results show that K, Cl 2 are desorbed from as neutrals. Above 100°C. constituents into vacuum is believed occur primarily through generation bulk defects followed by diffusion transport lesser extent, direct at surface. measurements indicate generated moderate room temperature or below mainly chlorine-ion vacancies.
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