Abstract
The scattering of He, Ne, and Ar from (100) copper has been studied experimentally. Both space and velocity distributions were measured. Special attention was paid to the cleanliness of the surface and to the effect of possible surface contamination. The influence of the beam incidence, the crystal azimuth, and the temperature are discussed. The behavior of the reflection lobe is in agreement with the phenomenological description of Merrill. The velocity distribution suggests that there is always superposition of elastic and inelastic scattering. Many-phonon processes predominate in the scattering of Ne and Ar, while the helium case may be described by an elastic, single-phonon process. A comparison of these experimental data with existing theoretical calculations (many-phonon by G. Armand, single-phonon by F. O. Goodman) is given.
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Dates
Type | When |
---|---|
Created | 22 years, 6 months ago (Feb. 27, 2003, 3:57 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 9 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 2:23 p.m.) |
Issued | 50 years ago (Aug. 15, 1975) |
Published | 50 years ago (Aug. 15, 1975) |
Published Print | 50 years ago (Aug. 15, 1975) |
@article{Lapujoulade_1975, title={The scattering of noble gas atoms (He, Ne, Ar) from (100) copper. (Space and velocity distribution)}, volume={63}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.431526}, DOI={10.1063/1.431526}, number={4}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Lapujoulade, J. and Lejay, Y.}, year={1975}, month=aug, pages={1389–1400} }