Space charge effect and mirror charge effect in photoemission spectroscopy

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We report the observation and systematic investigation of the space charge effect and mirror charge effect in photoemission spectroscopy. When pulsed light is incident on a sample, the photoemitted electrons experience energy redistribution after escaping from the surface because of the Coulomb interaction between them (space charge effect) and between photoemitted electrons and the distribution of mirror charges in the sample (mirror charge effect). These combined Coulomb interaction effects give rise to an energy shift and a broadening which can be on the order of 10 meV for a typical third-generation synchrotron light source. This value is comparable to many ... continued below

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Zhou, X.J.; Wannberg, B.; Yang, W.L.; Brouet, V.; Sun, S.; Douglas, J.F. et al. August 17, 2004.

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We report the observation and systematic investigation of the space charge effect and mirror charge effect in photoemission spectroscopy. When pulsed light is incident on a sample, the photoemitted electrons experience energy redistribution after escaping from the surface because of the Coulomb interaction between them (space charge effect) and between photoemitted electrons and the distribution of mirror charges in the sample (mirror charge effect). These combined Coulomb interaction effects give rise to an energy shift and a broadening which can be on the order of 10 meV for a typical third-generation synchrotron light source. This value is comparable to many fundamental physical parameters actively studied by photoemission spectroscopy and should be taken seriously in interpreting photoemission data and in designing next generation experiments.

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INIS; OSTI as DE00836983

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  • Journal Name: Journal of Electron Spectroscopy and Related Phenomena; Journal Volume: 142; Journal Issue: 1; Other Information: Submitted to Journal of Electron Spectroscopy and Related Phenomena: Volume 142, No.1; Journal Publication Date: 01/2005

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  • Report No.: LBNL--56165
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 836983
  • Archival Resource Key: ark:/67531/metadc788885

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 17, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • Sept. 21, 2017, 6:03 p.m.

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Zhou, X.J.; Wannberg, B.; Yang, W.L.; Brouet, V.; Sun, S.; Douglas, J.F. et al. Space charge effect and mirror charge effect in photoemission spectroscopy, article, August 17, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc788885/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.