Title
Space charge limited electron emission from a Cu surface under ultrashort pulsed laser irradiationSpace charge limited electron emission from a Cu surface under ultrashort pulsed laser irradiation
Author
Faculty/Department
Faculty of Sciences. Chemistry
Research group
Plasma, laser ablation and surface modeling - Antwerp (PLASMANT)
Publication type
article
Publication
New York, N.Y. :American Institute of Physics,
Subject
Physics
Source (journal)
Applied physics letters / American Institute of Physics. - New York, N.Y., 1962, currens
Volume/pages
96(2010):5, p. 1-3
ISSN
0003-6951
1077-3118
ISI
000274319500021
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
In this theoretical study, the electron emission from a copper surface under ultrashort pulsed laser irradiation is investigated using a one-dimensional particle in cell model. Thermionic emission as well as multiphoton photoelectron emission were taken into account. The emitted electrons create a negative space charge above the target; consequently the generated electric field reduces the electron emission by several orders of magnitude. The simulations indicate that the space charge effect should be considered when investigating electron emission related phenomena in materials under ultrashort pulsed laser irradiation of metals.
E-info
https://repository.uantwerpen.be/docman/iruaauth/0b88e7/24c417dacc1.pdf
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