Cascade effects on the Ar [ital LMM] Auger spectrum
Journal Article
·
· Physical Review A; (United States)
- Institute for Physical Science and Technology, University of Maryland, College Park, Maryland 20742 (United States) National Institute of Standards and Technology, Gaithersburg, Maryland 20899 (United States) Science and Engineering Research Council, Daresbury Laboratory, Warrington WA4 4AD (United Kingdom) Argonne National Laboratory, Argonne, Illinois 60439 (United States)
Generally, at excitation energies well above inner-shell ionization thresholds, Auger spectra are independent of the method of excitation. A notable exception to this has been found for the Ar [ital L][sub 2,3][ital MM] Auger spectra where different results are obtained via electron-impact ionization at 2 and 4.5 keV and photoionization below the [ital K] edge at 3.17 and 2.2 keV. The differences are explained by the variation of the contribution of [ital L][sub 1] to [ital L][sub 2,3] vacancy transfers with the mode of excitation. Calculations using a simple vacancy transfer model explain the observed spectra.
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 7041818
- Journal Information:
- Physical Review A; (United States), Journal Name: Physical Review A; (United States) Vol. 50:1; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
664200 -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ATOM COLLISIONS
AUGER EFFECT
AUGER ELECTRON SPECTROSCOPY
COLLISIONS
COSTER-KRONIG TRANSITIONS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTRON COLLISIONS
ELECTRON SPECTROSCOPY
ELECTRON TRANSFER
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUIDS
GASES
INNER-SHELL IONIZATION
IONIZATION
KEV RANGE
KEV RANGE 01-10
NONMETALS
PHOTOIONIZATION
POINT DEFECTS
RARE GASES
SPECTROSCOPY
VACANCIES
664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ATOM COLLISIONS
AUGER EFFECT
AUGER ELECTRON SPECTROSCOPY
COLLISIONS
COSTER-KRONIG TRANSITIONS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTRON COLLISIONS
ELECTRON SPECTROSCOPY
ELECTRON TRANSFER
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUIDS
GASES
INNER-SHELL IONIZATION
IONIZATION
KEV RANGE
KEV RANGE 01-10
NONMETALS
PHOTOIONIZATION
POINT DEFECTS
RARE GASES
SPECTROSCOPY
VACANCIES