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	Preparation and dielectric properties of CaCu3Ti 4O12-(NaBi)05Cu3Ti 4O12 composites
	Yu, Rong ; Chen, La ; Xue, Hao ; Xiong, Zhaoxian ; Xue H(薛昊) ; Xiong ZX(熊兆贤)
	2011
关键词	Dielectric losses Packaging Packaging materials
英文摘要	Conference Name:2011 International Symposium on Advanced Packaging Materials, APM 2011. Conference Address: Xiamen, China. Time:October 25, 2011 - October 28, 2011.; The composites of CaCu3Ti4O12-x(NaBi) 0.5Cu3Ti4O12, i.e. CCTO-xNBCTO, were prepared for x value from 0 to 0.1. Ultrahigh dielectric constant, ψ =7×105, and dielectric loss, tanδ = 0.48, of the composites with x=0.05 were obtained. The relations between crystal structures with XRD spectra and dielectric properties with LCR measurement were investigated, in which. An internal barrier layer capacitance effect is used to explain the mechanism of such dielectric behavior. The frequency dependence of the dielectric constant of CCTO-NBCTO composites were measured from 20Hz to 1MHz, showing that the loss tangent apparently decreased with the increase of frequency. The temperature dependence of both the dielectric constant and loss tangent of the samples were also obtained. It was found that the dielectric properties was almost independent of temperature in the range from -20°C to 80°C, however, the loss tangent were increased dramatically with a further increase in temperature, above 80°C. ? 2011 IEEE.
语种	英语
出处	http://dx.doi.org/10.1109/ISAPM.2011.6105669
出版者	IEEE Computer Society
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/85155]
专题	材料学院－会议论文
推荐引用方式 GB/T 7714	Yu, Rong,Chen, La,Xue, Hao,et al. Preparation and dielectric properties of CaCu3Ti 4O12-(NaBi)05Cu3Ti 4O12 composites. 2011-01-01.

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