Vapour phase M4,5N4,5N4,5 Auger electron spectra of antimony and tellurium |
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Authors: | H. Aksela J. Väyrynen S. Aksela |
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Affiliation: | Department of Physics, University of Oulu, SF-901 00 Oulu 10 Finland |
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Abstract: | High resolution M4,5N4,5N4,5 Auger electron spectra from Sb4 and Te2 vapours have been measured using electron impact excitation. The spectra have been decomposed into line components and relative intensities and energies of the components are compared with calculated intensities and energies. The calculations have been done for these molecular samples using the free-atom calculation model involving initially filled shells. The calculations have been treated in the mixed coupling scheme using jj coupling for initial state and intermediate coupling for the final state. The experimental results agree well with the calculated values, indicating that the molecular effects on the relative intensities and energies are very small for these core level transitions. The clear molecular effects are found in the broadening of lines and in the kinetic energy shifts due to extra-atomic relaxation effects. |
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