Zhi Fu, Paula M. Vilarinho, Aiying Wu and Angus I. Kingon Textured Microstructure and Dielectric Properties Relationship of BaNd2Ti5O14 Thick Films Prepared by Electrophoretic Deposition Advanced Functional Materials 19
Increasing the sintering temperature of thick BaNd2Ti5O14 films on Pt foils increases markedly grain aspect ratio, decreases εr and TCεr changes from −114 to +12 ppm °C−1. By controlling sintering temperature near – zero TCεr, high Q, with 45 < εr < 70 thick films can be fabricated. Conjugating constrained sintering effect with the ability to scale down device sizes, an alternative approach to tailor TCεr of high Q dielectric BaO–Re2O3–TiO2 thick films is presented.
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