Electron-energy-loss spectroscopy of ordered oxygen overlayers on Ru(001)
Journal Article
·
· Phys. Rev. Lett.; (United States)
High-resolution electron-energy-loss measurements and relevant theoretical calculations for the vibrational structure of ordered oxygen overlayers on the Ru(001) surface are presented. The vibrational spectrum of the p(2 x 2) overlayer shows a single dipolar-active mode above the substrate phonon band. Because of a reduction in symmetry of the threefold adsorption site, however, the vibrational spectrum of the p(1 x 2) overlayer is fundamentally different, showing two dipolar-active modes above the substrate phonon band.
- Research Organization:
- Department of Physics, University of California, Irvine, California 92717
- DOE Contract Number:
- AT03-79ER10432
- OSTI ID:
- 5474859
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 51:21; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602 -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
COATINGS
COLLISIONS
DATA
DIPOLES
ELECTRON COLLISIONS
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY LEVELS
ENERGY LOSSES
EXCITED STATES
EXPERIMENTAL DATA
INFORMATION
LAYERS
LOSSES
METALS
MULTIPOLES
NONMETALS
NUMERICAL DATA
OXYGEN
PHONONS
PLATINUM METALS
QUASI PARTICLES
RESOLUTION
RUTHENIUM
SPECTROSCOPY
THEORETICAL DATA
TRANSITION ELEMENTS
VIBRATIONAL STATES
360602 -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
COATINGS
COLLISIONS
DATA
DIPOLES
ELECTRON COLLISIONS
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY LEVELS
ENERGY LOSSES
EXCITED STATES
EXPERIMENTAL DATA
INFORMATION
LAYERS
LOSSES
METALS
MULTIPOLES
NONMETALS
NUMERICAL DATA
OXYGEN
PHONONS
PLATINUM METALS
QUASI PARTICLES
RESOLUTION
RUTHENIUM
SPECTROSCOPY
THEORETICAL DATA
TRANSITION ELEMENTS
VIBRATIONAL STATES