Chain-length dependence of the structures and phases of CH[sub 3](CH[sub 2])[sub [ital n][minus]1] SH self-assembled on Au(111)
Journal Article
·
· Physical Review Letters; (United States)
- Department of Physics and Princeton Materials Institute, Princeton University, Princeton, New Jersey 08540 (United States)
- Exxon Corporate Research, Annandale, New Jersey 08801 (United States)
A grazing incidence x-ray diffraction study of CH[sub 3](CH[sub 2])[sub [ital n][minus]1]SH self-assembled on a Au(111) surface shows that self-assembly results in a nonequilibrium state with a specific defect structure. We also explore the global ([ital n],[ital T]) phase diagram whose phases are distinguished by the tilt direction and the two-dimensional periodicity. These phases result in distinct long ([ital n][gt]14) and short ([ital n][lt]14) chain-length regimes, and reflect the relative importance of the hydrocarbon and interface interactions in these systems.
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6668962
- Journal Information:
- Physical Review Letters; (United States), Vol. 70:16; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
HYDROCARBONS
CHEMISORPTION
DEFECTS
MOLECULAR STRUCTURE
PHASE DIAGRAMS
TEMPERATURE DEPENDENCE
THIN FILMS
X-RAY DIFFRACTION
CHEMICAL REACTIONS
COHERENT SCATTERING
DIAGRAMS
DIFFRACTION
FILMS
ORGANIC COMPOUNDS
SCATTERING
SEPARATION PROCESSES
SORPTION
360602* - Other Materials- Structure & Phase Studies
HYDROCARBONS
CHEMISORPTION
DEFECTS
MOLECULAR STRUCTURE
PHASE DIAGRAMS
TEMPERATURE DEPENDENCE
THIN FILMS
X-RAY DIFFRACTION
CHEMICAL REACTIONS
COHERENT SCATTERING
DIAGRAMS
DIFFRACTION
FILMS
ORGANIC COMPOUNDS
SCATTERING
SEPARATION PROCESSES
SORPTION
360602* - Other Materials- Structure & Phase Studies