Abstract
Experimental photoelectron spectra of a clean polycrystalline Mo surface excited by monochromatized Al K α X-rays are presented. The spectra are compared with valence bands obtained by UPS and by band structure calculations within the 5 eV region below the Mo Fermi level. All results mentioned above display peaks at 0.3, 1.7, 2.8 and 4 eV belowE F. The energy distribution of the valence band does not vary with photon energy and electron emission angle for the four different polycrystalline Mo surfaces compared. It is concluded that the four peaks representing the Mo valence band are predominantly of bulk origin.
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One of the authors (P. M.) wishes to thank Prof. K. Siegbahn for making possible the use of the facilities of the Institute of Physics in Uppsala. The author is also grateful to Dr. Z. Bastl and Dr. A. Fingerland for their careful reading of the manuscript and L. Krajčíková for the assistance with the manuscript preparation.
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Mikušík, P., Nyholm, R. & Mårtensson, N. Valence band of molybdenum by photoelectron spectroscopy. Czech J Phys 31, 1165–1171 (1981). https://doi.org/10.1007/BF01604780
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DOI: https://doi.org/10.1007/BF01604780