METASTABLE (23S) HELIUM ATOM SCATTERING FROM MOLECULAR ADSORBATES ON Pd AND Cu SURFACES-Reference-Cited by-同舟云学术

METASTABLE (23S) HELIUM ATOM SCATTERING FROM MOLECULAR ADSORBATES ON Pd AND Cu SURFACES

Published:1999-02 Issue:01 Volume:06 Page:103-107
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

FOUQUET P.¹,WITTE G.²

Affiliation:

1. Max-Planck-Institut für Strömungsforschung, Bunsenstraße 10, D-37073 Göttingen, Germany

2. Ruhr-Universität Bochum, Lehrstuhl für Physikalische Chemie I, Universitätsstraße 150, D-44801 Bochum, Germany

Abstract

The de-excitation of metastable (23 S1) He* atoms upon scattering from clean, NO- and CO-covered Cu(100) and Pd(111) surfaces has been investigated, and the He* survival probability was measured as a function of the NO and CO coverage. The corresponding adlayer structures were characterized in situ by ground state He atom scattering (HAS). The present results support an earlier interpretation of metastable de-excitation spectroscopy (MDS) data indicating a suppression of the resonance ionization (RI) de-excitation channel in the case of CO adsorption due to a screening of the metal surface by the adsorbate layer. In contrast, for NO on Pd(111) no increase of the He* survival probability was observed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X99000123

Reference19 articles.

1. Electron Spectroscopy Using Metastable Atoms as Probes for Solid Surfaces

2. Probing the Local Density of States of Metal Surfaces by Deexcitation of Metastable Noble-Gas Atoms

3. Penning-Ionization Electron Spectroscopy of Chemisorbed CO

4. Electron spectroscopy of surfaces by impact of metastable He atoms: CO on Pd(110)

5. Penning ionization electron spectroscopy of molecular adsorbates on Pd and Cu surfaces

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