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Molecular beam techniques have been employed to investigate the chemisorption of isobutane and neopentane on Ir(110) at surface temperatures, T s , from 85 to 1000K. The beam translational energies, E i , varied from 3.1 to 31kcal/mol for isobutane, and 1.8 to 48kcal/mol for neopentane. For T s <100K, isobutane formed molecular multilayers, as did neopentane for T s...
We report measurements of the initial adsorption probability S o as well as its coverage dependence S(θ CO ) of CO on clean and oxygen-precovered Ir(110) for adsorption temperatures T s below the onset of CO 2 formation. The impact energy (1.3<E 0 <24 kcal mol -1 ), the oxygen precoverage θ o , and the surface temperature (85<T...
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