Structural studies of xenon and krypton solid monolayers on graphite using transmission electron diffraction

Lattice parameter, epitaxial orientation and diffraction intensity measurements, obtained by transmission high energy electron diffraction (THEED), are reported for Xe and Kr monolayers on graphite. The results span the gas-solid and the commensurate solid-incommensurate solid (C-I) transitions in b...

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Bibliographic Details
Published in:Surface science 1981-01, Vol.105 (2), p.536-564
Main Authors: Schabes-Retchkiman, P.S., Venables, J.A.
Format: Article
Language:English
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Summary:Lattice parameter, epitaxial orientation and diffraction intensity measurements, obtained by transmission high energy electron diffraction (THEED), are reported for Xe and Kr monolayers on graphite. The results span the gas-solid and the commensurate solid-incommensurate solid (C-I) transitions in both cases, in the pressure range 10 −6–10 −8 Torr, well below the two-dimensional triple points. The lattice parameter results are interpreted in terms of a misfit dislocation model of the (C-I) transition, and the intensity results are used to discuss the defect structure of the adsorbed solid monolayers. The onset of an incommensurate rotated phase is observed for Kr but not for Xe.
ISSN:0039-6028
1879-2758
DOI:10.1016/0039-6028(81)90017-0