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Paper
Energy dependence of cross sections in inverse photoemission
Abstract
Two general types of energy-dependent cross-section variations are demonstrated for inverse photoemission: (i) an atomic effect based on the spatial extent of the wave function and (ii) a solidstate effect caused by peaks in the Fourier spectrum of bandlike states. As examples, data are shown on the photon-energy dependence of (i) the 5d- to 4f-intensity ratio in Gd and (ii) the intensity of broken-bond states on Si(111). © 1984 The American Physical Society.