Ion-excited K. cap alpha. x-ray satellite spectra of Si, S, Cl, and Ar in the gas phase

Journal Article · Sat Apr 01 04:00:00 EST 1978 · Phys. Rev., A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.17.1302· OSTI ID:6842743

Demarest, J A; Watson, R L

The K..cap alpha.. satellite spectra of Si in the gases SiH/sub 4/ and SiF/sub 4/, of S in the gases H/sub 2/S, SO/sub 2/, and SF/sub 6/, of Cl in the gases HCl and Cl/sub 2/ and in the liquid CCl/sub 4/, and of gaseous Ar produced by bombardment with oxygen ions were examined in detail and compared with the spectra of solid compounds obtained in a previous study. It was found that the apparent average state of L-shell ionization at the time of K..cap alpha.. x-ray emission does not depend upon the physical state, but upon the availability of electrons from nearest-neighbor atoms. The K..cap alpha.. satellite energies in conjunction with Hartree-Fock calculations provide a measure of the average numbers of missing M-shell electrons, and this information further supports the conclusion that interatomic electron transfer dominates the fast rearrangement occurring prior to K..cap alpha.. x-ray emission in atoms having highly depleted M shells. Various K..cap alpha.. satellite peak-broadening mechanisms were considered and it was found that broadening due to the distribution of M-shell vacancies accounts for a significant portion of the total peak width.

• Research Organization: Cyclotron Institute and Department of Chemistry, Texas AandM University, College Station, Texas 77843
• OSTI ID: 6842743
• Journal Information: Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 17:4; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ATOM COLLISIONS
CARBON TETRACHLORIDE
CHALCOGENIDES
CHARGED PARTICLES
CHLORINATED ALIPHATIC HYDROCARBONS
CHLORINE
COLLISIONS
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HALOGENATED ALIPHATIC HYDROCARBONS
HALOGENS
HYDRIDES
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC ACIDS
ION COLLISIONS
ION-ATOM COLLISIONS
ION-MOLECULE COLLISIONS
IONS
MOLECULE COLLISIONS
NONMETALS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
OXYGEN IONS
RARE GASES
SILANES
SILICON COMPOUNDS
SILICON FLUORIDES
SPECTRA
SULFIDES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR FLUORIDES
SULFUR OXIDES
X-RAY SPECTRA