Multilayer relaxation of interlayer registry and spacing at high-index metal surfaces

Oscillatory multilayer relaxation of both interlayer spacing and registry at certain high-index metal surfaces is predicted via minimization of a simple model for the total energy of a semi-infinite crystal. Results for the (210) and (211) surfaces of b.c.c. (Na) and f.c.c. (Al) simple metals indica...

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Bibliographic Details
Published in:Physical review letters 1983-10, Vol.51 (15), p.1359-1361
Main Authors: BARNETT, R. N, LANDMAN, U, CLEVELAND, C. L
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Defects and impurities in crystals
microstructure
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Physics
Solid surfaces and solid-solid interfaces
Specific materials
Structure of solids and liquids
crystallography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:Oscillatory multilayer relaxation of both interlayer spacing and registry at certain high-index metal surfaces is predicted via minimization of a simple model for the total energy of a semi-infinite crystal. Results for the (210) and (211) surfaces of b.c.c. (Na) and f.c.c. (Al) simple metals indicate that the relaxation parallel to the surface plane moves the surface layers toward more symmetrical configurations with respect to adjacent layers. 7 ref.--AA
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.51.1359