X-ray scattering study of the deconstruction and thermal roughening of the Au(110) 1×3 reconstructed surface

We present the results of a synchrotron x-ray scattering study of the thermal evolution of a Au(110) 1×3 reconstructed surface. At T c = 485°C, the 1×3 surface undergoes a reversible deconstruction transition. Observing the temperature dependence of the superlattice and integral order bulk-forbidden...

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Bibliographic Details
Published in:Solid state communications 1989-10, Vol.72 (1), p.37-41
Main Authors: Held, G.A., Jordan-Sweet, J.L., Horn, P.M., Mak, A., Birgeneau, R.J.
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Solid surfaces and solid-solid interfaces
Specific materials
Surface structure and topography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:We present the results of a synchrotron x-ray scattering study of the thermal evolution of a Au(110) 1×3 reconstructed surface. At T c = 485°C, the 1×3 surface undergoes a reversible deconstruction transition. Observing the temperature dependence of the superlattice and integral order bulk-forbidden (anti-Bragg) surface peaks, we find that at T c the 1×3 reconstructed surface becomes incommensurate with the bulk crystalline lattice. During this commensurate-incommensurate transition, the data suggest that the surface both roughens and deconstructs.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(89)90875-2