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Textured Coatings from Colloidal Suspensions of Faceted Oxide Microcrystals

Published online by Cambridge University Press:  25 February 2011

Gregg.W. Steadman
Affiliation:
Solid State Div., Oak Ridge National Laboratory, Oak Ridge, TN 37831-6056
J. R. Brewster
Affiliation:
Solid State Div., Oak Ridge National Laboratory, Oak Ridge, TN 37831-6056
J. D. Budai
Affiliation:
Solid State Div., Oak Ridge National Laboratory, Oak Ridge, TN 37831-6056
L. A. Boatner
Affiliation:
Solid State Div., Oak Ridge National Laboratory, Oak Ridge, TN 37831-6056
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Abstract

The morphological properties of cubic, faceted MgO microcrystals have been exploited in the formation of textured coatings. Coatings exhibiting a <100> “fiber” texture were formed by centrifugal sedimentation of colloidal suspensions onto a flat substrate. A decrease in the degree of preferred orientation in the coatings with increasing areal coverage of the particles was quantified for several particle-size distributions by using x-ray diffraction. Novel methods for the deposition of particles exhibiting an in-plane preferred orientation in addition to fiber texture have been investigated.

Type
Research Article
Copyright
Copyright © Materials Research Society 1993

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References

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