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Preferential exposure of certain crystallographic planes on the surface of spinel ferrites : a study by LEIS on polycrystalline spinel ferrite surfaces

Spinel ferrites are commercially important because of their excellent magnetic and catalytic properties. The study by Low Energy Ion Scattering (LEIS) can reveal atomic scale information on the surface. The surface of selected spinel ferrites was investigated by LEIS. It has been found that it is th...

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Bibliographic Details
Published in:Journal of materials science 1999-01, Vol.34 (17), p.4279-4283
Main Authors: ANANTHARAMAN, M. R, REIJNE, S, JACOBS, J. P, BRONGERSMA, H. H, SMITS, R. H. H, SESHAN, K
Format: Article
Language:English
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Summary:Spinel ferrites are commercially important because of their excellent magnetic and catalytic properties. The study by Low Energy Ion Scattering (LEIS) can reveal atomic scale information on the surface. The surface of selected spinel ferrites was investigated by LEIS. It has been found that it is the octahedral sites which are preferentially exposed on the surface of the spinel ferrites. So the probable planes which are exposed on spinel ferrite surfaces are D(110) or B(111). This prediction using LEIS gives scope for tailor-making compounds with catalytically active ions on the surface for various catalytic reactions.
ISSN:0022-2461
1573-4803
DOI:10.1023/A:1004615222119