NDLI: Low dielectric loss and good thermal stability of Eu and Ti co-doped K$_{0.5}$Na$_{0.5}$NbO$

Content Provider	Springer Nature Link
Author	Fei, Lanbing Shi, Danping Huang, Yanming Liu, Laijun
Copyright Year	2015
Abstract	In order to develop dielectric ceramics with temperature-stable permittivity characteristics, Eu and Ti co-doped K$_{0.5}$Na$_{0.5}$NbO$_{3}$ [(1 − x)K$_{0.5}$Na$_{0.5}$NbO$_{3}$-xEuTiO$_{3}$] ceramics were prepared by a conventional solid state route. The effect of EuTiO$_{3}$ on the phase structure and dielectric performance of KNN ceramics were investigated. The temperature dependence of the relative permittivity illustrated that the small amount of EuTiO$_{3}$ depressed the dielectric peak of ferroelectric-paraelectric transition. Therefore, the temperature stability and relative permittivity of ceramics were effectively improved. As x = 0.03, the ceramic showed superior dielectric temperature stability (±10 %), very low dielectric loss (0.008 at 250 °C) and a relatively high permittivity (>1500 at 250 °C) over the temperature range from ~100 to 350 °C. It suggests that this ceramic is a promising candidate for high-temperature capacitor application.
Starting Page	7159
Ending Page	7164
Page Count	6
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	26
Issue Number	9
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2015-06-14
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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