Charge exchange in low-energy (keV) and hyperthermal-energy (10-100eV) ion scattering. Final report, 1 April 1986-15 November 1987
Technical Report
·
OSTI ID:5403195
The overall research program described in this report is to investigate the interaction of low (keV) and hyperthermal (10-100 eV) ions with clean and adsorbate-covered metal surfaces; in particular, ion-surface charge-exchange processes. We report on the operation of the UHV scattering apparatus for the ion-scattering measurements, ongoing development and upgrade of the apparatus, the use of two ion-scattering simulations which together cover the entire energy range of interest, the further development of these simulations, and most importantly, the ongoing experiments to determine charge-transfer probabilities. The data presented are representative of the scattering spectra measured. Completed analysis of these and similar spectra will be presented in forthcoming papers. To date, the authors have measured spectra for Li+, Na+, K+, He+, Ne+, and Ar+ beams, ranging in energy from 50 eV to 4 keV, scattered from the <001> and <1-10> azimuths of Cu(110). Important features of these spectra have been identified with the scattering simulations.
- Research Organization:
- Cornell Univ., Ithaca, NY (USA). Lab. of Atomic and Solid State Physics
- OSTI ID:
- 5403195
- Report Number(s):
- AD-A-187643/2/XAB
- 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
ALKALI METALS
ARGON
BEAM ANALYZERS
BEAMS
CHARGE EXCHANGE
CHARGED PARTICLES
COLLISIONS
COPPER
CRYSTAL STRUCTURE
DOCUMENT TYPES
DYNAMICS
ELECTROMAGNETIC RADIATION
ELECTROSTATIC ANALYZERS
ELEMENTS
FLUIDS
GASES
HELIUM
HIGH TEMPERATURE
ION BEAMS
ION COLLISIONS
IONS
LITHIUM
MECHANICS
METALS
NEON
NONMETALS
POTASSIUM
PROBABILITY
PROGRESS REPORT
RADIATIONS
RARE GASES
RESONANCE
SCATTERING
SIMULATION
SODIUM
SPECTRA
SURFACES
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
ARGON
BEAM ANALYZERS
BEAMS
CHARGE EXCHANGE
CHARGED PARTICLES
COLLISIONS
COPPER
CRYSTAL STRUCTURE
DOCUMENT TYPES
DYNAMICS
ELECTROMAGNETIC RADIATION
ELECTROSTATIC ANALYZERS
ELEMENTS
FLUIDS
GASES
HELIUM
HIGH TEMPERATURE
ION BEAMS
ION COLLISIONS
IONS
LITHIUM
MECHANICS
METALS
NEON
NONMETALS
POTASSIUM
PROBABILITY
PROGRESS REPORT
RADIATIONS
RARE GASES
RESONANCE
SCATTERING
SIMULATION
SODIUM
SPECTRA
SURFACES
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION