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Dewetting of Reactive CaMgSiO4 Glass Films on Single-Crystal MgO(001) Substrate

Published online by Cambridge University Press:  10 February 2011

S. V. Yanina  and
C. B. Carter
S. V. Yanina
Affiliation:
Department of ChemistryUniversity of Minnesota, Minneapolis, MN 55455
C. B. Carter
Affiliation:
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455
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Abstract

The early stages of dewetting of a reactive silicate (CaMgSiO4) film on a ceramic (MgO) substrate were studied by scanning probe microscopy. Subsequent interactions between the glass phase and an underlying single-crystal substrate, such as dissolution/re-precipitation of substrate material at the glass-ceramic interface and evaporation of silicate phase, were investigated by observing selected areas of the specimens through a series of annealing-quenching cycles. Implications deduced from the CaMgSiO4-MgO equilibrium phase diagram on the process of dissolution/re-precipitation of MgO are briefly discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 586: Symposium M – Interfacial Engineering for Optimized Properties II , 1999 , 87
Copyright
Copyright © Materials Research Society 2000

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References

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