O- radical ions on MgO: a tool for a structural description of the surface

O- radical ions on MgO: a tool for a structural description of the surface The present contribution aims to show that detailed information on structure and location of surface defective sites (surface vacancies, low co-ordination sites) can be obtained by combining data on the chemical reactivity of polycrystalline surfaces and EPR data. The use of nitrous oxide for bleaching trapped electron centres at the surface of MgO produces a remarkable variety of O- species, which differ in their values of the energy splitting (δE) term between the pz and the other two p orbitals of the radical ion. This indicates the existence of a corresponding variety of surface traps having different structural features. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

O- radical ions on MgO: a tool for a structural description of the surface

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Publisher
Brill Academic Publishers
Copyright
Copyright © 2002 by VSP 2002
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856702320267118
Publisher site
See Article on Publisher Site

Abstract

The present contribution aims to show that detailed information on structure and location of surface defective sites (surface vacancies, low co-ordination sites) can be obtained by combining data on the chemical reactivity of polycrystalline surfaces and EPR data. The use of nitrous oxide for bleaching trapped electron centres at the surface of MgO produces a remarkable variety of O- species, which differ in their values of the energy splitting (δE) term between the pz and the other two p orbitals of the radical ion. This indicates the existence of a corresponding variety of surface traps having different structural features.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Oct 13, 2004

References

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