Medium-energy ion scattering structural analyses of the surfaces of metals
Thesis/Dissertation
·
OSTI ID:6490066
Medium energy ion scattering (MEIS) with channeling and blocking is applied as an experimental tool for exploring the structure of surfaces. Several metal surfaces are examined, leading to models of relaxation and reconstruction on an atomic scale. Results for Cu(110) and Au(110) demonstrate that structure determinations using MEIS are in agreement with results derived using other techniques. Findings suggest that the multilayer relaxation of a reconstructed surface follows dynamics similar to those of a non-reconstructed surface. Results are also presented on the effect of adsorbed species on metal surfaces, with an emphasis on cases where the adsorbate alters the periodicity of the surface. The structure of clean and oxygen chemisorbed Ir(110) is investigated, along with the effect of several adsorbates on Cu(110).
- Research Organization:
- Pennsylvania Univ., Philadelphia (USA)
- OSTI ID:
- 6490066
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656003* -- Condensed Matter Physics-- Interactions between Beams & Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BEAMS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHEMISORPTION
COPPER
ELEMENTS
GOLD
ION BEAMS
ION SCATTERING ANALYSIS
IRIDIUM
METALS
NONDESTRUCTIVE ANALYSIS
NONMETALS
OXYGEN
PLATINUM METALS
RELAXATION
SCATTERING
SEPARATION PROCESSES
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
SURFACES
TRANSITION ELEMENTS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BEAMS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHEMISORPTION
COPPER
ELEMENTS
GOLD
ION BEAMS
ION SCATTERING ANALYSIS
IRIDIUM
METALS
NONDESTRUCTIVE ANALYSIS
NONMETALS
OXYGEN
PLATINUM METALS
RELAXATION
SCATTERING
SEPARATION PROCESSES
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
SURFACES
TRANSITION ELEMENTS