Abstract
The oxygen adsorption site on the Ir{110}-c(2×2)-O surface has been studied by time-of-flight scattering and recoiling spectrometry (TOF-SARS) using 4 keV Ne+ for backscattering and Ar+ for recoiling. The oxygen site was analyzed from scans of (i) backscattering intensity versus incident angle, (ii) oxygen recoil intensity versus incident and azimuthal angle, and (iii) oxygen recoil energy versus azimuthal angle. Calibrated shadow cones and trajectory simulations were used to obtain the site coordinates. This TOF-SARS data is contrasted with that of Ni{110}-p(2×1)-O, in which it is well established that the adsorption site is in the long-bridge position along the 〈001〉 rows. Adsorption of oxygen in the short-bridge sites above the 〈11̄0〉 Ir rows is the only model consistent with all of the experimental data and simulations. The O–Ir bond length is estimated to be ≊1.8 Å.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:32 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 8:15 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 8:40 a.m.) |
Issued | 34 years ago (Aug. 15, 1991) |
Published | 34 years ago (Aug. 15, 1991) |
Published Print | 34 years ago (Aug. 15, 1991) |
@article{Bu_1991, title={Scattering and recoiling analysis of oxygen adsorption site on the Ir{110}-c(2×2)-O surface}, volume={95}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.460890}, DOI={10.1063/1.460890}, number={4}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Bu, H. and Shi, M. and Boyd, K. and Rabalais, J. W.}, year={1991}, month=aug, pages={2882–2889} }