Morphology and structure of ZnCr2O4 spinel crystallites

Computer simulation techniques were used to predict the crystal morphology of the spinel ZnCr2O4. Results showed that, in agreement with experiment, crystallites are predicted to be essentially octahedral with the 111 surface dominating the structure. However, surfaces for materials with the spinel...

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Bibliographic Details
Published in:Journal of materials science 1996-03, Vol.31 (5), p.1151-1156
Main Authors: BINKS, D. J, GRIMES, R. W, ROHL, A. L, GAY, D. H
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Methods of crystal growth
physics of crystal growth
Physics
Theory and models of crystal growth
physics of crystal growth, crystal morphology and orientation
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Summary:Computer simulation techniques were used to predict the crystal morphology of the spinel ZnCr2O4. Results showed that, in agreement with experiment, crystallites are predicted to be essentially octahedral with the 111 surface dominating the structure. However, surfaces for materials with the spinel structure are highly complex and stabilised only by the formation of surface defects. This leads to a large number of different possible surface structures. ZnCr2O4 is used as a gas sensor and catalyst. 23 refs.
ISSN:0022-2461
1573-4803
DOI:10.1007/bf00353093