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Oxygen-induced step-edge faceting; A precursor to (410) planar faceting of Cu(100) vicinal surfaces
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UNSPECIFIED (1996) Oxygen-induced step-edge faceting; A precursor to (410) planar faceting of Cu(100) vicinal surfaces. CHEMICAL PHYSICS LETTERS, 259 (5-6). pp. 503-507. ISSN 0009-2614.
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Abstract
Scanning tunneling microscopy has been applied to an atomistic scale investigation of the oxygen-induced restructuring of a Cu(100) vicinal surface, close to (610) but with average step orientations 10 degrees away from [001]. The initial changes upon oxygen adsorption are found to be step-edge faceting to [001] and [010], and [001] step coalescence to form small (410) facets. Annealing enlarges these (410) facets while the much shorter [010] steps coalesce to form (401) facets. The implied strong energetic favouring of (100) step-edges in the presence of oxygen is attributed to the formation of Cu-O-Cu-O linear chains, known to be the stable element of oxygen-induced reconstruction of the (110) and (100) copper surfaces.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
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Journal or Publication Title: | CHEMICAL PHYSICS LETTERS | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0009-2614 | ||||
Official Date: | 13 September 1996 | ||||
Dates: |
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Volume: | 259 | ||||
Number: | 5-6 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 503-507 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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