Intense surface photoemission: Space charge effects and self‐acceleration
作者:
Terry L. Gilton,
James P. Cowin,
Glenn D. Kubiak,
Alex V. Hamza,
期刊:
Journal of Applied Physics
(AIP Available online 1990)
卷期:
Volume 68,
issue 9
页码: 4802-4810
ISSN:0021-8979
年代: 1990
DOI:10.1063/1.346137
出版商: AIP
数据来源: AIP
摘要:
Ultraviolet laser irradiation of surfaces, in the course of photoemission or surface photochemical studies, often produce copious electron emission, up to 1000’s of A/cm2. The time‐dependent fields produced by these electrons accelerate some of the electrons up to 5.4 times their initial energies. The steady‐state fields return most of the emitted electrons to the surface. We discuss and illustrate both phenomena with theoretical simulations and experiment, and discuss possible implications.
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