Photoemission Study of U-Ge Compounds by the Use of Synchrotron Radiation

概要

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The photoelectron spectra of U-Ge compounds, UGe, U,Ge. and U,Ge, havebeen measured at room temperature for excitation photon energies from 32 to 120 eVusing synchrotron radiation. The spectral distributions of the state density of the U5 f electron and those of electrons in the states other than the U 5 f states are obtainedby means of resonant photoemission. The observed profiles of the U 5 f photoelectronspectra resemble each other. They have sharp Fermi edges and the emission intensitydecreases monotonically toward higher binding energy. The excitation spectra for the5d-5f resonant photoemission have two peaks. One occurring at a lower excitationenergy with a weaker intensity corresponds to prethreshold lines found in the case ofthe 4d-4f resonance excitation spectra of lanthanide compounds.
社団法人日本物理学会の論文
1991-09-15