Issue 13, 2009
From the journal:

Physical Chemistry Chemical Physics

Effect of adsorbate mass on an Eley–Rideal reaction. Reactive scattering of Cs+ from noble gases and N2 adsorbed on Ru(0001) surfaces at hyperthermal energy

Chang-Woo Lee,a   Poong-Ryul Lee,a   Rob J. W. E. Lahayeb  and  Heon Kang*a  

* Corresponding authors

a Department of Chemistry, Seoul National University, Gwanak-gu, Seoul, Republic of Korea
E-mail: surfion@snu.ac.kr
Fax: +82 (0)2 889 8156
Tel: +82 (0)2 875 7471

b Department of Physics, Sungkyunkwan University, Suwon, Republic of Korea

Abstract

The effect of the adsorbate mass on an Eley–Rideal (ER) reaction is examined for the reactive ion scattering (RIS) of Cs+ from physisorbed adsorbates (Ar, Kr, Xe and N2) on a Ru(0001) surface at hyperthermal energy (10–60 eV). The measurement of the RIS cross-section, or the efficiency for ER-type abstraction of surface adsorbates, reveals an inverse proportionality between the square root of the cross-section and the mass of the noble gases. This relationship is explained by the inertia effect which can determine the probability of successful abstraction events of the adsorbates. The result confirms a theoretical prediction that the inertia effect is important for the dynamics of an ER reaction in the hyperthermal energy regime.

Graphical abstract: Effect of adsorbate mass on an Eley–Rideal reaction. Reactive scattering of Cs+ from noble gases and N2 adsorbed on Ru(0001) surfaces at hyperthermal energy

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Article information

DOI
https://doi.org/10.1039/B815764B
Article type
Paper
Submitted
10 Sep 2008
Accepted
13 Jan 2009
First published
06 Feb 2009

Phys. Chem. Chem. Phys., 2009,11, 2268-2271

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Effect of adsorbate mass on an Eley–Rideal reaction. Reactive scattering of Cs+ from noble gases and N2 adsorbed on Ru(0001) surfaces at hyperthermal energy

C. Lee, P. Lee, R. J. W. E. Lahaye and H. Kang, Phys. Chem. Chem. Phys., 2009, 11, 2268 DOI: 10.1039/B815764B

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