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	Investigation of the additive induced doping effects in gelcast soft lead zirconate titanate ceramics
	Guo, Dong ; Cai, Kai ; Li, Longtu ; Gui, Zhilun
	2010-10-12 ; 2010-10-12
关键词	dielectric hysteresis doping electrical conductivity ferroelectric ceramics impurities lead compounds materials preparation niobium compounds suspensions titanium compounds zirconium compounds FERROELECTRIC CERAMICS PZT CERAMICS ALIGNMENT DEFECTS BATIO3 Physics, Applied
中文摘要	Due to the high sensitivity of the electrical properties of electronic ceramics to various factors, knowledge about the possible influence of the processing procedure on their electrical performance is critical for applying a new technique to the fabrication of the materials. In this study, various electrical parameters, complex impedance spectra, ferroelectric hysteresis loops, and microstructures of soft lead zirconate titanate (PZT) ceramics formed by the gelcasting technique from suspensions with various dispersants were investigated in comparison with those of the conventional dry pressed ones. We found that the sodium ion, which is the main cation in many commercial surfactants, exhibited obvious hard doping effects; thus causing deteriorated performance of the gelcast PZT ceramics. While a certain impurity ion introduced by a dispersant was also found to induce soft doping characteristics and improve the electrical performance of the materials. The results suggest that the doping effects of the metal ions or impurities introduced by the dispersants, or other additives, should be generally considered for applying a wet processing technique to forming multicomponent electronic ceramics.
语种	英语 ; 英语
出版者	AMER INST PHYSICS ; MELVILLE ; CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78304]
专题	清华大学
推荐引用方式 GB/T 7714	Guo, Dong,Cai, Kai,Li, Longtu,et al. Investigation of the additive induced doping effects in gelcast soft lead zirconate titanate ceramics[J],2010, 2010.
APA	Guo, Dong,Cai, Kai,Li, Longtu,&Gui, Zhilun.(2010).Investigation of the additive induced doping effects in gelcast soft lead zirconate titanate ceramics..
MLA	Guo, Dong,et al."Investigation of the additive induced doping effects in gelcast soft lead zirconate titanate ceramics".(2010).

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