Multiphonon processes in atom-surface scattering

Journal Article · Mon Jun 17 04:00:00 EDT 1991 · Physical Review Letters; (USA)

DOI:https://doi.org/10.1103/PhysRevLett.66.3160· OSTI ID:5536136

Celli, V; Himes, D; Tran, P ^[1]; Toennies, J P; Woell, C; Zhang, G ^[2]

---

1. University of Virginia, Charlottesville, Virginia 22901 (USA)
2. Max-Planck-Institut fuer Stroemungsforschung, D-3400 Goettingen, Germany (DE)

Helium-atom time-of-flight spectra taken at 69-meV incident energy in scattering from Pt(111) show energy-loss peaks that cannot be assigned to one-phonon transitions, but are qualitatively explained by simple formulas for the multiphonon processes in the classical limit. This assignment is supported by trajectory-approximation calculations that correctly reproduce the experimentally determined density of states of Pt(111).

• OSTI ID: 5536136
• Journal Information: Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 66:24; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

656003* -- Condensed Matter Physics-- Interactions between Beams & Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ATOM COLLISIONS
COLLISIONS
ELEMENTS
ENERGY LOSSES
ENERGY RANGE
FLUIDS
GASES
HELIUM
LOSSES
METALS
MEV RANGE
MEV RANGE 10-100
NONMETALS
PHONONS
PLATINUM
PLATINUM METALS
QUASI PARTICLES
RARE GASES
TIME-OF-FLIGHT METHOD
TRANSITION ELEMENTS