UNSPECIFIED (1998) The structure of NO on Ni(111) at low coverage. [Journal Item]

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Abstract

Scanned-energy mode photoelectron diffraction from the N 1s and O 1s core levels has been used to determine the local adsorption geometry of NO on Ni(111) at a coverage of 0.25 ML. The optimum surface geometry consists of NO molecules adsorbed in both the fee and hcp three-fold hollow sites in a ratio of approximately 50/50 (the fee site occupation is 50(-20 /+ 17)% for the N 1s data, and 47(-30/+25)% for the O 1s data). N-Ni bond lengths are almost identical for the two sites: 1.83 +/- 0.07 Angstrom (fcc) and 1.85 +/- 0.07 Angstrom (hsp). We conclude that for NO adsorption on Ni(lll), the fee and hcp sites are energetically similar. (C) 1998 Elsevier Science B.V. All rights reserved.

Item Type:	Journal Item
Subjects:	Q Science > QD Chemistry Q Science > QC Physics
Journal or Publication Title:	Surface Science
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0039-6028
Date:	15 May 1998
Volume:	405
Number:	2-3
Number of Pages:	7
Page Range:	L566-L572
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/15604

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