Microwave Effects on Spinodal Decomposition

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Willert-Porada, Monika:
Microwave Effects on Spinodal Decomposition.
In: MRS Online Proceedings Library. Bd. 430 (1996) . - S. 403-409.
ISSN 1946-4274
DOI: https://doi.org/10.1557/PROC-430-403

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Abstract

Microstructural differences between microwave and conventionally annealed solid solution TiO₂-SnO₂ and TiO₂-SnO₂-(Al₂O₃)0,0₂samples demixed by spinodal decomposition are reported. The decomposition is retarded upon microwave annealing as compared to conventional heat treatment. This result is in accordance with theoretical predictions, if a superposition of the microwave field with an internal periodic electrostatic potential resulting from kinetic effects is assumed.