POSSIBLE EVIDENCE FOR A VALENCE BAND SATELLITE IN PHOTOEMISSION SPECTRA FROM Sc(0001)

A.J. Patchett, S.S. Dhesi, R.I.R. Blyth and S.D. Barrett
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A.J. Patchett: Surface Science Research Centre, University of Liverpool, P.O. Box 147, Liverpool L69 3BX, UK
S.S. Dhesi: Surface Science Research Centre, University of Liverpool, P.O. Box 147, Liverpool L69 3BX, UK
R.I.R. Blyth: Surface Science Research Centre, University of Liverpool, P.O. Box 147, Liverpool L69 3BX, UK
S.D. Barrett: Surface Science Research Centre, University of Liverpool, P.O. Box 147, Liverpool L69 3BX, UK

Surface Review and Letters (SRL), 1994, vol. 01, issue 04, 649-653

Abstract: An intense photoemission feature is observed at a binding energy of ~10 eV in the UV photoemission spectra from the (0001) surfaces of bulk single crystals of rare-earth metals. This emission cannot be explained in terms of ground state electronic structure and we have been unable to attribute its existence to the presence of contamination of the surface. We present some evidence that may indicate its origin lies in the creation, by the photoemission process, of a metastable two-hole final state.

Date: 1994
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DOI: 10.1142/S0218625X94000862

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