Low-energy electron escape from liquid interfaces: charge and quantum effects

Autor: Loren Ban, Thomas E. Gartmann, Ruth Signorell, Bruce L. Yoder
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Physical Review Letters
Physical Review Letters, 124 (1)
ISSN: 0031-9007
Popis: 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. ISSN:0031-9007 ISSN:1079-7114
Databáze: OpenAIRE