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Quantum Chemistry
Ionization of xenon Rydberg atoms at a metal surface.
PubMed
Authors: Hill SB, Haich CB, Zhou Z, Nordlander P, Dunning FB
Year
2000
Paper ID
13269
Status
Peer-reviewed
Abstract Read
~2 min
Abstract Words
97
Citations
N/A
Abstract
Experiments in which a thermal-energy beam of xenon Rydberg atoms is directed at near grazing incidence onto a flat Au(111) surface are described that provide new insight into charge transfer and electron tunneling during atom/surface interactions. Analysis of the data shows that for the present range of principal quantum number n, 13 < or = n < or = 20, ionization occurs at an atom/surface separation Z(i) = (4.5+/-0.9)n2a0, where n2a0 is the Bohr radius of the atom. This result is in good agreement with the value Z(i) approximately 3.8n2a0 predicted by ab initio hydrogenic theory.
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- Experiments in which a thermal-energy beam of xenon Rydberg atoms is directed at near grazing incidence onto a flat Au(111) surface are described that provide new insight into...
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