NDLI: Resistivity and Dielectric Properties of Bi1/2Na1/2TiO3-mixed (Ba,Sr)TiO3 Ceramics

Content Provider	IEEE Xplore Digital Library
Author	Hoshi, Y. Xiang, P.-H. Takeda, H. Nishida, T. Uchiyama, K. Shiosaki, T.
Copyright Year	2007
Description	Author affiliation: Nara Inst. of Sci. & Technol., Nara (Hoshi, Y.; Xiang, P.-H.; Takeda, H.; Nishida, T.; Uchiyama, K.; Shiosaki, T.)
Abstract	In order to prepare lead-free $BaTiO_{3}$ - based positive temperature coefficient of resistance (abbreviated to PTCR) ceramics, 2.0, 4.0, 6.0, 8.0, 10 mol % of $Bi_{1/2}Na_{1/2}TiO_{3}$ (abbreviated to BNT) added Ba $_{0.92}Sr_{0.08}TiO_{3}$ (abbreviated to BST) were fabricated by the conventional solid state reaction. Phase and microstructure characterizations revealed that no obvious BNT phase was found in the final sintered BNT- added BST ceramics, indicating that the BNT phase and BST phase formed a solid-solution during sintering. Without doping other special elements, an obvious PTCR effect was observed in the BNT- added BST samples sintered at 1350 degC in air. To reveal the origin of PTCR effect in the BNT- added BST ceramics, the dielectric properties were also investigated. The BNT- mixed BST (abbreviated to BST- BNT) PTCR ceramics exhibited higher Curie temperatures than that of BST sample.
Starting Page	823
Ending Page	824
File Size	1097012
Page Count	2
File Format	PDF
ISBN	9781424413331
ISSN	10994734
DOI	10.1109/ISAF.2007.4393414
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-27
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductivity Dielectrics Bismuth Binary search trees Ceramics Temperature Environmentally friendly manufacturing techniques Strontium Solid state circuits Microstructure
Content Type	Text
Resource Type	Article

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