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	Effects of neodymium doping on microstructures and ferroelectric properties of bismuth titanate ferroelectric thin films
	Tan Cong-Bing ; Zhong Xiang-Li ; Wang Jin-Bin ; Liao Min ; Zhou Yi-Chun ; Pan Wei
	2010-05-10 ; 2010-05-10 ; OCT
关键词	Nd doping B4Ti3O12 Raman shift ferroelectric properties RAMAN-SCATTERING BI4TI3O12 BI4-XLAXTI3O12 POLARIZATION TEMPERATURE FATIGUE PHASES Physics, Multidisciplinary
中文摘要	The Bi4-x Nd-x Ti-3 O-12 (x = 0.00, 0.30,0.45,0.75,0.85, 1.00,1.50) ferroelectric thin films were prepared on the Pt/Ti/ SiO2/Si(100) substrates using sol-gel method. The effect of neodynium doping on the microstructures and ferroelectric properties of films were studied. The experimental results show that Nd3+, only substitutes Bi3+, in the pseudo; perovskite block when Nd content x is lower than 0.45. When Nd content x is about 0.45, the film has the largest remnant polarization (2P(r)) of 32.7 mu C center dot cm(-2) at an applied field of about 270 kV center dot cm(-1). At x > 0.45, part of Nd ions are incorporated into the (Bi2O2)(2+) block, which would change the microstructure of (Bi-2 O-2)(2+) block and weaken its functions as the insulating layer and the space charge storage, resulting in the decrease of the 2 P,. When x = 1. 50, the dopout would destroy the structure of (Bi2 02)21 block, which leads to ferroelectric-paraelectric phase transition of the film.
语种	中文 ; 中文
出版者	CHINESE PHYSICAL SOC ; BEIJING ; P O BOX 603, BEIJING 100080, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21035]
专题	清华大学
推荐引用方式 GB/T 7714	Tan Cong-Bing,Zhong Xiang-Li,Wang Jin-Bin,et al. Effects of neodymium doping on microstructures and ferroelectric properties of bismuth titanate ferroelectric thin films[J],2010, 2010, OCT.
APA	Tan Cong-Bing,Zhong Xiang-Li,Wang Jin-Bin,Liao Min,Zhou Yi-Chun,&Pan Wei.(2010).Effects of neodymium doping on microstructures and ferroelectric properties of bismuth titanate ferroelectric thin films..
MLA	Tan Cong-Bing,et al."Effects of neodymium doping on microstructures and ferroelectric properties of bismuth titanate ferroelectric thin films".(2010).

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