Reemitted-positron energy-loss spectroscopy: A novel probe of adsorbate vibrational levels
Journal Article
·
· Phys. Rev. Lett.; (United States)
Vibrational excitations of carbon monoxide on Ni(100) have been observed for the first time in the energy-loss spectrum of reemitted positrons. For Ni(100)c(2 x 2)CO at room temperature energy-loss peaks are found at approx.57 and approx.248 meV, corresponding to Ni-C and C-O stretching vibrations, respectively. These peak positions are in good agreement with previously reported results for electron energy-loss spectroscopy. Anticipated improvements in resolution promise to make reemitted-positron energy-loss spectroscopy competitive with high-resolution electron energy-loss spectroscopy.
- Research Organization:
- Brookhaven National Laboratory, Upton, New York 11973
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6098878
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 50:15; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FERMIONS
LATTICE VIBRATIONS
LEPTONS
MEDIUM TEMPERATURE
METALS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
NICKEL
OXIDES
OXYGEN COMPOUNDS
POSITRONS
PROBES
SURFACE PROPERTIES
TRANSITION ELEMENTS
360603* -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FERMIONS
LATTICE VIBRATIONS
LEPTONS
MEDIUM TEMPERATURE
METALS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
NICKEL
OXIDES
OXYGEN COMPOUNDS
POSITRONS
PROBES
SURFACE PROPERTIES
TRANSITION ELEMENTS