Adsorption and reaction of chlorine with the Ti(0001) surface
Journal Article
·
· J. Phys. Chem.; (United States)
The authors have studied the adsorption of chlorine on the Ti(0001) surface using Auger electron spectroscopy (AES), low-energy electron diffraction (LEED), and thermal desorption spectroscopy (TDS). Chlorine overlayers were generated by using an electrochemical source of molecular chlorine at temperatures ranging from 30 to 600/sup 0/C. Adsorption is dissociative with an approximately constant sticking coefficient at low coverages. The adsorbed chlorine is sensitive to electron beam stimulated desorption (ESD) but does not thermally desorb below 750/sup 0/C. They did not observe any ordered LEED patterns unless a high-coverage surface was annealed to a temperature of 620/sup 0/C. The resulting complex LEED pattern suggests that the adsorbed chlorine forms a coincidence lattice on the titanium surface. The data is consistent with the formation of a pseudo-halide surface layer related to TiCl/sub 3/.
- Research Organization:
- Oregon State Univ., Corvallis
- OSTI ID:
- 5797024
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 91:22; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360105 -- Metals & Alloys-- Corrosion & Erosion
360205 -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
AUGER ELECTRON SPECTROSCOPY
CHLORINE
COHERENT SCATTERING
CRYSTALS
DATA
DESORPTION
DIFFRACTION
ELECTRON DIFFRACTION
ELECTRON SPECTROSCOPY
ELEMENTS
EXPERIMENTAL DATA
HALOGENS
INFORMATION
METALS
MILLER INDICES
MONOCRYSTALS
NONMETALS
NUMERICAL DATA
SCATTERING
SORPTION
SORPTIVE PROPERTIES
SPECTROSCOPY
SURFACE PROPERTIES
THERMAL ANALYSIS
TITANIUM
TRANSITION ELEMENTS
360105 -- Metals & Alloys-- Corrosion & Erosion
360205 -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
AUGER ELECTRON SPECTROSCOPY
CHLORINE
COHERENT SCATTERING
CRYSTALS
DATA
DESORPTION
DIFFRACTION
ELECTRON DIFFRACTION
ELECTRON SPECTROSCOPY
ELEMENTS
EXPERIMENTAL DATA
HALOGENS
INFORMATION
METALS
MILLER INDICES
MONOCRYSTALS
NONMETALS
NUMERICAL DATA
SCATTERING
SORPTION
SORPTIVE PROPERTIES
SPECTROSCOPY
SURFACE PROPERTIES
THERMAL ANALYSIS
TITANIUM
TRANSITION ELEMENTS