Zeitschrift für Physikalische Chemie
International journal of research in physical chemistry and chemical physics
ISSN 0942-9352	www.z-phys-chem.de
Zeitschrift für Physikalische Chemie, 2001, Volume 215, Issue 10, p. 1323 Original Papers
A. S. Kheifets, M. Vos, E. Weigold
The Spectral Momentum Density of Aluminium, Copper and Gold Measured by Electron Momentum Spectroscopy
Electron momentum spectroscopy (EMS) gives direct information of the full energy-resolved electron momentum densities of occupied states (bands) in solids – single crystal, polycrystalline or amorphous. Here we present data from a new high energy EMS spectrometer using 50 keV incident and 25 keV outgoing electrons, on polycrystalline specimens of aluminium, copper and gold. The spectral momentum densities show very significant electron-electron correlation effects which are in good agreement with many-body Green´s function calculations.
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