Dynamics of an excess electron at metal/polar interfaces
Article Abstract:
The low-temperature equilibrium and nonequilibrium solvation dynamics of an excess electron in bulk and at a surface interface are characterized using mixed quantum/classical simulation methods. The temperature dependence of the bulk response is shown to minimal, indicating that the large-scale hydrogen bond breaking and diffusive motion may not be playing roles in the solvation dynamics.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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Ultrafast electron dynamics at metal interfaces: intraband relaxation of image state electrons of friction
Article Abstract:
Two-photon photoemission of image potential states above monolayers of p-xylene/Ag(111) shows that electrons with different momenta have very different rise and decay rates as a function of parallel momentum. The dynamics are due to energy and momentum loss (intraband relaxation), which is modeled as a stochastic process isomorphic to the overdamped motion of harmonic oscillator.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Determination of band curvatures by angle-resolved two-photon photoemission in thin films of [C.sub.60] on Ag(111)
Article Abstract:
Angle-resolved two-photon photoemission (2PPE) spectroscopy is used to determine the thickness-dependent interfacial band structure for thin films of [C.sub.60] on Ag(111). The results have shown that angle-resolved 2PPE can be used as a direct experimental probe of band structure in systems with quite complicated electronic energy levels.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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