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	Dielectric properties of TiO2-NiO ceramics and its response mechanism
	Wang, JF ; Lin, YH ; Chen, Y ; Jiang, L ; Nan, CW
	2010-05-10 ; 2010-05-10
会议名称	HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2 ; 3rd China International Conference on High-Performance Ceramics (CICC-3) ; Shenzhen, PEOPLES R CHINA ; Web of Science
关键词	dielectric properties NiO microstructure associated defects TRANSITION-METAL MONOXIDES ELECTRONIC-STRUCTURE NIO CONDUCTION BAND Materials Science, Ceramics Materials Science, Composites
中文摘要	NiO-NiTiO3 composite ceramics were prepared by the conventional solid state reaction process and dielectric properties were investigated as a function of frequency and temperature. The results indicate that all samples showed high dielectric constant similar to10(3) at 0.1 kHz, but a remarkable decrease of the dielectric loss appeared when the volume fraction of NiTiO3 phase reached 42.4%. Relaxor-like peaks were observed in the temperature dependence of the dielectric constant with ceramics having low composition of NiTiO3 phase ( 21.2%). The possible response mechanism associated with the microstructure and the associated defects of the composites was discussed.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; ZURICH-UETIKON ; BRANDRAIN 6, CH-8707 ZURICH-UETIKON, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18533]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, JF,Lin, YH,Chen, Y,et al. Dielectric properties of TiO2-NiO ceramics and its response mechanism[C]. 见:HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2, 3rd China International Conference on High-Performance Ceramics (CICC-3), Shenzhen, PEOPLES R CHINA, Web of Science.

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