Quantum effects in the scattering of argon from 2H-W(100)
Journal Article
·
· Phys. Rev. Lett.; (United States)
Diffraction has been observed in the scattering of Ar from a 2H-W(100) surface. Results are found to be consistent with an effective surface corrugation amplitude of about 0.05 A, which is similar to values obtained for He and Ne diffraction from this surface. The temperature dependence yields a surface Debye temperature of /similar to/400 K. We also find that the shape and behavior of surface scattering rainbows observed in this system are best accounted for by a quantum mechanical treatment of the Ar-surface interaction.
- Research Organization:
- IBM Almaden Research Center, K33/801, 650 Harry Road, San Jose, California 95120-6099(US)
- OSTI ID:
- 5893636
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 62:26; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656003* -- Condensed Matter Physics-- Interactions between Beams & Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AMPLITUDES
ANGULAR DISTRIBUTION
ARGON
ATOM COLLISIONS
COHERENT SCATTERING
COLLISIONS
DEBYE TEMPERATURE
DIFFRACTION
DISTRIBUTION
ELEMENTS
FLUID FLOW
FLUIDS
GASES
MECHANICS
MEDIUM TEMPERATURE
METALS
NONMETALS
QUANTUM MECHANICS
RARE GASES
SCATTERING
SUPERSONIC FLOW
TEMPERATURE DEPENDENCE
TRANSITION ELEMENTS
TUNGSTEN
ULTRAHIGH VACUUM
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AMPLITUDES
ANGULAR DISTRIBUTION
ARGON
ATOM COLLISIONS
COHERENT SCATTERING
COLLISIONS
DEBYE TEMPERATURE
DIFFRACTION
DISTRIBUTION
ELEMENTS
FLUID FLOW
FLUIDS
GASES
MECHANICS
MEDIUM TEMPERATURE
METALS
NONMETALS
QUANTUM MECHANICS
RARE GASES
SCATTERING
SUPERSONIC FLOW
TEMPERATURE DEPENDENCE
TRANSITION ELEMENTS
TUNGSTEN
ULTRAHIGH VACUUM