Published 1975
| Version v1
Book
Diffraction experiments of argon or helium on polluted surfaces
- 1. Paris-11 Univ., 91 - Orsay (France). Inst. d'Optique Theorique et Appliquee
Description
Scattering patterns of molecular beams of argon or helium from metal surfaces (bulk metal or thin films) are reported. The pressure in the scattering chamber is about 10-6 torr. So, the surfaces are polluted. Diffraction peaks are observed which can be interpreted very well by assuming that nitrogen, oxygen or carbon atoms are adsorbed of the surface. On the other hand, diffraction peaks from a silicon crystal have been observed which can be reproduced very well by using silicon crystal lattice. These experiments are not interpreted accurately, but show that molecular reflection can be used for some surface studies
Abstract (French)
La diffusion des faisceaux moleculaires d'argon ou d'helium sur les surfaces metalliques (masses metalliques ou films minces) est exposee. La pression dans la chambre de diffusion est d'environ 10-6 torr et ainsi les surfaces sont polluees. Des pics de diffraction sont observes qui peuvent etre bien interpretes en supposant que les atomes d'azote, d'oxygene ou de carbone sont adsorbes a la surface. D'autre part, les pics de diffraction d'un cristal de silicium ont ete observes et peuvent tres bien etre reproduits en employant un reseau cristallin de silicium. Ces experiences ne sont pas interpretees de facon precise mais elles montrent que la reflexion moleculaire peut etre employee pour l'etude de ces surfacesAdditional details
Additional titles
- Original title (French)
- Experiences de diffraction par diffusion de neutres sur des surfaces polluees
Publishing Information
- Publisher
- Societe Francaise du Vide.
- Imprint Place
- Paris, France
- Imprint Title
- 2. International colloquium on physics and chemistry of surfaces. Brest, May 27-30, 1975
- Imprint Pagination
- p. 24-27.
Conference
- Title
- 2. International colloquium on physics and chemistry of surfaces.
- Dates
- 27 May 1975.
- Place
- Brest, France.
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 7246586
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ARGON; DIFFRACTION; HELIUM; METALS; MOLECULAR BEAMS; SURFACE PROPERTIES
- Descriptors DEC
- BEAMS; COHERENT SCATTERING; ELEMENTS; NONMETALS; RARE GASES; SCATTERING
Optional Information
- Notes
- Imprint:Suppl. Le Vide les Couches Minces, A, 1975, v. 30.;2. Colloque international de physique et chimie des surfaces. Brest, 27-30 mai 1975.