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photoemission Definition

photo·emis·sion (fōt′ō ē mis̸h′ən)

noun

the ejection of one or more electrons from a substance (pho′to·emit′·ter), usually a metal, when subjected to light or other suitable radiation

Etymology: photo- + emission

Related Forms:

photoemission Usage Examples

Modifies a noun

  • spectroscopy: Here, synchrotron photoemission spectroscopy has been used to identify new electronic states in solid CO 2 upon irradiation with 40 eV photons.
  • spectra: Photoemission spectra of Au on near stoichiometric and slightly reduced TiO 2 ( 110 ) surfaces have been measured on beamline 4.1.
  • experiment: The Fermi surface and the superconducting gap can be ' seen ' experimentally through angle resolved photoemission experiments.