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	Phase transition and electrical properties of highly [111]-oriented and niobium- modified Pb(ZrxTi1-x)O-3 thin films with different Zr/Ti ratios
	Ruangchalermwong, C. ; Li, Jing-Feng ; Zhu, Zhi-Xiang ; Muensit, S.
	2010-05-10 ; 2010-05-10
会议名称	JOURNAL OF PHYSICS D-APPLIED PHYSICS ; Meeting on Photorefractive Effects and Devices ; Lake Tahoe, CA ; Web of Science
关键词	ZIRCONATE-TITANATE FILMS FERROELECTRIC PROPERTIES PIEZOELECTRIC PROPERTIES PREFERENTIAL ORIENTATION DIELECTRIC-PROPERTIES PZT CERAMICS TEXTURE PBTIO3 Physics, Applied
中文摘要	Highly [1 1 1]-oriented and niobium-modified Pb(Zr-x Ti1-x)O-3 (PNZT) thin films with different Zr/Ti ratios ranging from 20/80 to 80/20 have been deposited on Pt(1 1 1)/Ti/SiO2/Si substrates by the sol -gel method. The electrical properties as a function of the Zr/Ti ratio were investigated to develop ferroelectric films with enhanced ferroelectric and dielectric properties. The phase transition from tetragonal to rhombohedral was clearly observed by electrical characterization when the Zr/Ti ratios were varied across the morphotropic phase boundary (MPB). The ferroelectric and dielectric properties were found to strongly depend on the Zr/Ti ratio. Among the samples investigated in this work, the film with composition close to MPB exhibited the largest remanent polarization of 80 mu Ccm(-2) and a coercive field as low as 70 kV cm(-1). A value of dielectric constant as high as 1550 was also obtained from the MPB-composition film.
会议录出版者	IOP PUBLISHING LTD ; BRISTOL ; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18279]
专题	清华大学
推荐引用方式 GB/T 7714	Ruangchalermwong, C.,Li, Jing-Feng,Zhu, Zhi-Xiang,et al. Phase transition and electrical properties of highly [111]-oriented and niobium- modified Pb(ZrxTi1-x)O-3 thin films with different Zr/Ti ratios[C]. 见:JOURNAL OF PHYSICS D-APPLIED PHYSICS, Meeting on Photorefractive Effects and Devices, Lake Tahoe, CA, Web of Science.

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