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High-energy photoemission in silver: resolving d and sp contributions in valence band spectra (Articolo in rivista)

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High-energy photoemission in silver: resolving d and sp contributions in valence band spectra (Articolo in rivista) (literal)

Anno

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Alternative label

Panaccione, G; Cautero, G; Cautero, M; Fondacaro, A; Grioni, M; Lacovig, P; Monaco, G; Offi, F; Paolicelli, G; Sacchi, M; Stojic, N; Stefani, G; Tommasini, R; Torelli, P (2005)
High-energy photoemission in silver: resolving d and sp contributions in valence band spectra
in Journal of physics. Condensed matter (Print); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
(literal)

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Panaccione, G; Cautero, G; Cautero, M; Fondacaro, A; Grioni, M; Lacovig, P; Monaco, G; Offi, F; Paolicelli, G; Sacchi, M; Stojic, N; Stefani, G; Tommasini, R; Torelli, P (literal)

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http://iopscience.iop.org/0953-8984/17/17/015/pdf/0953-8984_17_17_015.pdf (literal)

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Note

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1. INFM, TASC Lab, I-34012 Trieste, Italy 2. Sincrotrone Trieste SCpA, I-34012 Trieste, Italy 3. Univ Rome 3, INFM, Dipartimento Fis, I-00146 Rome, Italy 4. EPFL, CH-1015 Lausanne, Switzerland 5. European Synchrotron Radiat Facil, F-38042 Grenoble, France 6. Ctr Univ Paris Sud, LURE, F-91898 Orsay, France 7. Abdus Salam Int Ctr Theoret Phys, I-34100 Trieste, Italy (literal)

Titolo

High-energy photoemission in silver: resolving d and sp contributions in valence band spectra (literal)

Abstract

We present high-resolution valence band and core level spectra of silver for photoelectron kinetic energies up to 8 keV. At these kinetic energies we estimate a surface contribution of less than 3%. Taking advantage of the favourable sp/d relative cross-sections, a comparison with the calculated density of states is presented. We observe an increasing photoemission intensity when approaching the Fermi level, which we assign to a free-electron-like character in the 5p-band, whereas the principal s-like contribution is located at the bottom of the d-band. The difference between measured and calculated values of the sp/d cross-section ratio is discussed. (literal)

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