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Grain growth anomaly in strontium titanate

 
: Bräuer, M.; Weygand, D.; Gumbsch, P.; Hoffmann, M.J.

:

Scripta materialia 61 (2009), Nr.6, S.584-587
ISSN: 1359-6462
Englisch
Zeitschriftenaufsatz
Fraunhofer IWM ()
grain growth; grain boundary; interface; ceramic

Abstract
The grain growth studies presented here show anomalies in the growth dynamics in SrTiO3. 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.

: http://publica.fraunhofer.de/dokumente/N-113251.html