Low-energy electron escape from liquid interfaces: charge and quantum effects
Chemical Physics
2020-01-15 v1 Soft Condensed Matter
Abstract
The high surface sensitivity and controlled surface charge state of submicron sized droplets is exploited to study low-energy electron transport through liquid interfaces using photoelectron imaging. Already a few charges on a droplet are found to modify the photoelectron images significantly. For narrow escape barriers, the comparison with an electron scattering model reveals pronounced quantum effects in the form of above-barrier reflections at electron kinetic energies below about 1 eV. The observed susceptibility to the characteristics of the electron escape barrier might provide access to these properties for liquid interfaces, which are generally difficult to investigate.
Cite
@article{arxiv.1909.06318,
title = {Low-energy electron escape from liquid interfaces: charge and quantum effects},
author = {Loren Ban and Thomas E. Gartmann and Bruce L. Yoder and R. Signorell},
journal= {arXiv preprint arXiv:1909.06318},
year = {2020}
}