UNSPECIFIED (1994) ADSORBATE-INDUCED RECONSTRUCTION OF SURFACES - AN ATOMISTIC ALTERNATIVE TO MICROSCOPIC FACETING. JOURNAL OF PHYSICS-CONDENSED MATTER, 6 (31). pp. 6067-6094. ISSN 0953-8984

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Abstract

There is increasing evidence that there exists a class of adsorbate-induced reconstructions of metal surfaces in which the outermost substrate layer (or layers) and the adsorbed species adopt an almost identical geometry on surfaces of several different orientations of the same substrate; on one orientation this involves little or no substrate distortion, but on the others, major reconstruction is required. There is also evidence that the adsorption structure on the unreconstructed orientation surface may have a particularly low surface free energy. This type of reconstruction therefore appears to offer an atomistic alternative to the more microscopic phenomenon of adsorbate-induced faceting. By reviewing the existing structural information concerning the adsorbate structures of S on Ni, Cu and Pt, C and N on Ni and Cu and O on Cu, the evidence for this idea, and for some complementary patterns of adsorbate-induced reconstruction, are discussed. These data on the long-range-ordered phases on the (100), (111) and (110) faces of these materials are compared with the limited data available on the influence of the adsorbates on the anisotropy of the surface free energy, or gamma-plot.

Item Type:	Journal Item
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF PHYSICS-CONDENSED MATTER
Publisher:	IOP PUBLISHING LTD
ISSN:	0953-8984
Official Date:	1 August 1994
Dates:	Date Event 1 August 1994 UNSPECIFIED
Volume:	6
Number:	31
Number of Pages:	28
Page Range:	pp. 6067-6094
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/20421

Data sourced from Thomson Reuters' Web of Knowledge

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