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Inelastic resonance scattering, tunneling, and desorption

Inelastic resonance scattering, tunneling, and desorption Excitation of a localized oscillator or phonon due to transient charge transfer into and out of electronic states linearly coupled to the oscillator is considered within several different contexts. Specifically, the basic physical content of the mechanisms responsible for phonon broadening in core-level spectroscopy, intramolecular vibrational excitation in resonant electron scattering, phonon excitation in resonant electron tunneling through quantum-well heterostructures, and hot-electron-induced resonant desorption is shown to be similar. Existing exact solutions to the scattering and tunneling problems are here adapted to resonant desorption and numerical consequences–such as excitation and desorption probabilities and translational energy distributions–are obtained. These results and insights are considered in the light of a semiclassical wave-packet-dynamics model, which previously had been developed to account for observed nonthermal, laser-induced desorption in the system NO/Pt(111). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Inelastic resonance scattering, tunneling, and desorption

Physical Review B , Volume 44 (24) – Dec 15, 1991
12 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1991 The American Physical Society
ISSN
1095-3795
DOI
10.1103/PhysRevB.44.13466
Publisher site
See Article on Publisher Site

Abstract

Excitation of a localized oscillator or phonon due to transient charge transfer into and out of electronic states linearly coupled to the oscillator is considered within several different contexts. Specifically, the basic physical content of the mechanisms responsible for phonon broadening in core-level spectroscopy, intramolecular vibrational excitation in resonant electron scattering, phonon excitation in resonant electron tunneling through quantum-well heterostructures, and hot-electron-induced resonant desorption is shown to be similar. Existing exact solutions to the scattering and tunneling problems are here adapted to resonant desorption and numerical consequences–such as excitation and desorption probabilities and translational energy distributions–are obtained. These results and insights are considered in the light of a semiclassical wave-packet-dynamics model, which previously had been developed to account for observed nonthermal, laser-induced desorption in the system NO/Pt(111).

Journal

Physical Review BAmerican Physical Society (APS)

Published: Dec 15, 1991

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