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Interpretation of Resonant Photoemission Spectra of Solid Actinide Systems



S Molodtsov, S Halilov, M Richter, A Zangwill, C Laubschat


It is shown that angle-resolved valence-band photoemission (PE) spectra of epitaxial close-packed films of U metal may correctly be described within a one-step model of PE based on a band description of the U 5f states. It is found that a cross-section minimum at hv = 90 - 94eV, which previously was assigned to a Fano antiresonance at the 5d rarr} 5f excitation threshold, is mainly caused by a Cooper-minimum behavior. Analogous cross-section variations in the region of the 5d rarr} 5f resonances were obtained for a series of other solid actinide systems. The reported results have severe consequences for the general interpretation of resonant PE data.
Physical Review Letters


cooper minima, resonant photoemission, solid actinide, systems


Molodtsov, S. , Halilov, S. , Richter, M. , Zangwill, A. and Laubschat, C. (2001), Interpretation of Resonant Photoemission Spectra of Solid Actinide Systems, Physical Review Letters, [online], (Accessed July 21, 2024)


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Created June 14, 2001, Updated October 12, 2021