Observation of surface phonons in inelastic scattering of He atoms from LiF(001) crystal surfaces
Journal Article
·
· Phys. Rev. Lett.; (United States)
Preliminary results are reported on the inelastic scattering of low-energy (20 meV), monoenergetic (..delta..v/v=0.8% full width at half maximum) He nozzle beams from a LiF(001) surface along the <100> direction. The time-of-flight spectra reveal both broad and extremely sharp maxima. The broad maxima are attributed to a distribution of phonons of bulklike character with small momenta, while the sharp maxima indicate excitation of single discrete surface modes.
- Research Organization:
- Max-Planck-Institut fuer Stroemungsforschung, F-3400 Goettingen, Federal Republic of Germany
- OSTI ID:
- 5239254
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 44:21; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Journal Article
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Sat Aug 15 00:00:00 EDT 1981
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OSTI ID:6315641
Theory of resonant inelastic one-phonon scattering of He atoms from a LiF(001) single crystal surface
Journal Article
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· J. Chem. Phys.; (United States)
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Origin of the anomalous low-frequency losses observed in the inelastic scattering of He atoms from LiF(001)
Journal Article
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Mon Jun 15 00:00:00 EDT 1981
· Phys. Rev. B: Condens. Matter; (United States)
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OSTI ID:6443593
Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL COMPOUNDS
ATOM COLLISIONS
ATOMIC BEAMS
BEAMS
COLLISIONS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY RANGE
EV RANGE
FLUIDS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HELIUM
INELASTIC SCATTERING
LITHIUM COMPOUNDS
LITHIUM FLUORIDES
LITHIUM HALIDES
MASS SPECTROMETERS
MEASURING INSTRUMENTS
MILLI EV RANGE
NONMETALS
NOZZLES
PHONONS
QUASI PARTICLES
RARE GASES
SCATTERING
SPECTRA
SPECTROMETERS
SURFACES
TIME-OF-FLIGHT METHOD
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL COMPOUNDS
ATOM COLLISIONS
ATOMIC BEAMS
BEAMS
COLLISIONS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY RANGE
EV RANGE
FLUIDS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HELIUM
INELASTIC SCATTERING
LITHIUM COMPOUNDS
LITHIUM FLUORIDES
LITHIUM HALIDES
MASS SPECTROMETERS
MEASURING INSTRUMENTS
MILLI EV RANGE
NONMETALS
NOZZLES
PHONONS
QUASI PARTICLES
RARE GASES
SCATTERING
SPECTRA
SPECTROMETERS
SURFACES
TIME-OF-FLIGHT METHOD