Abstract
Electron momentum spectroscopy is a coincidence technique that measures the spectral momentum density of matter. In this paper we outline the theoretical framework underlying these measurements, give a description of the spectrometer, and show in detail the information this technique can provide for the prototypical material silicon. We present results for single crystals as well as amorphous samples, describe the influence that diffraction and inelastic multiple scattering have on these measurements. The results are compared with full-potential linear-muffin-tin-orbital (FP-LMTO) calculations (for dispersion), and many-body calculations (for line shapes).
Original language | English |
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Pages (from-to) | 95-104 |
Number of pages | 10 |
Journal | Journal of Electron Spectroscopy and Related Phenomena |
Volume | 141 |
Issue number | 2-3 |
DOIs | |
Publication status | Published - Dec 2004 |