Grain growth anomaly in strontium titanate

The grain growth studies presented here show anomalies in the growth dynamics in SrTiO 3. For the temperature range investigated, the overall grain growth does not follow the classical Arrhenius-type temperature dependence. At a critical temperature the grain growth rate decreases substantially with...

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Bibliographic Details
Published in:Scripta materialia 2009-09, Vol.61 (6), p.584-587
Main Authors: Bäurer, M., Weygand, D., Gumbsch, P., Hoffmann, M.J.
Format: Article
Language:English
Subjects:
Ceramics
Grain boundaries
Grain growth
Interfaces
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Summary:The grain growth studies presented here show anomalies in the growth dynamics in SrTiO 3. For the temperature range investigated, the overall grain growth does not follow the classical Arrhenius-type temperature dependence. At a critical temperature the grain growth rate decreases substantially with increasing temperature. Such a decrease is reported for the first time in bulk ceramic material.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2009.05.028