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Calorimetric heats of dissociative adsorption for O-2 on Rh{100}
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posted on 2023-06-08, 17:19 authored by R Kose, Wendy BrownWendy Brown, D A KingUsing single crystal adsorption calorimetry (SCAC), the coverage dependent heats of adsorption and sticking coefficients for oxygen on Rh(100) were measured. This is the first time that SCAC experiments have been performed on a Rh crystal. In conjunction with results obtained by other techniques, it is possible to assign different regimes in the measured heat and sticking curves to different phases in the adsorption process. These are identified with the formation of particular adsorbate structures, namely the p(2 x 2) and the c(2 x 2) and (2 x 2)p4g structures, respectively. The initial heat of adsorption was found to be 386 kJ mol(-1). and the initial sticking coefficient 0.74. (C) 1998 Elsevier Science B.V. All rights reserved.
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Publication status
- Published
Journal
Surface ScienceISSN
0039-6028Publisher
ElsevierExternal DOI
Volume
402-4Page range
856 - 860Department affiliated with
- Chemistry Publications
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- No
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- Yes
Legacy Posted Date
2014-07-22Usage metrics
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