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Inner-shell photoemission from atoms and molecules using synchrotron radiation

Thesis/Dissertation ·
OSTI ID:5481233
Photoelectron spectroscopy, in conjunction with synchrotron radiation, has been used to study inner-shell photoemission from atoms and molecules. The time structure of the synchrotron radiation permits the measurement of time-of-flight (TOF) spectra of Auger and photoelectrons, thereby increasing the electron collection efficiency. The double-angle TOF method yielded angle-resolved photoelectron intensities, which were used to determine photoionization cross sections and photoelectron angular distributions in several cases. Comparison to theoretical calculations has been made were possible to help explain observed phenomena in terms of the electronic structure and photoionization dynamics of the systems studied. Measurements have been made for the 3d subshell in krypton, the iodine 4d and 4p subshells in methyl iodide, the nitrogen K shell in N/sub 2/ and NO, and the main and satellite lines in helium.
Research Organization:
California Univ., Berkeley (USA)
OSTI ID:
5481233
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR DISTRIBUTION
ASYMMETRY
ATOM COLLISIONS
BREMSSTRAHLUNG
CHALCOGENIDES
COLLISIONS
DATA
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELECTRON EMISSION
ELEMENTS
EMISSION
ENERGY DEPENDENCE
EXPERIMENTAL DATA
FLUIDS
GASES
HALOGEN COMPOUNDS
HALOGENS
INFORMATION
IODINE
IODINE COMPOUNDS
IONIZATION
KRYPTON
MOLECULE COLLISIONS
NITROGEN
NITROGEN COMPOUNDS
NITROGEN OXIDES
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRIC EMISSION
PHOTOIONIZATION
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
PHOTON-MOLECULE COLLISIONS
RADIATIONS
RARE GASES
SYNCHROTRON RADIATION