%0 Journal Article
%T Enhanced ferroelectricity of Pb(Zr0.5Ti0.5)O3 film by the introduction of La0.3Sr0.7TiO3 template layer<br>La0.3Sr0.7TiO3模板层对Pb(Zr0.5Ti0.5)O3薄膜的铁电性能增强效应的研究
%A Wang Xiu-Zhang
%A Liu Hong-Ri
%A <br>王秀章
%A 刘红日
%J 物理学报
%D 2007
%I 
%X LaNiO3(LNO) and LaNiO3/La0.3Sr0.7TiO3 (LNO/LSTO) bottom electrodes were prepared on Si(111) substrates by sol-gel process. Then Pb (Zr0.5Ti0.5)O3 (PZT) ferroelectric films were then deposited on the bottoms also by sol-gel process. XRD showed that both of the PZT films have perovskite structure. The one on LNO bottom adopts (100) preferred orientation and the one on LNO/LSTO bottom adopts random orientation. The results of ferroelectric measurement showed that the ferroelectricity of the PZT film on LNO/LSTO bottom electrode was substantially enhanced compare with the one on LNO bottom electrode. The coercive field was also enhanced. The film on LNO/LSTO bottom electrode has larger dielectric constant and leakage current.
%K PZT film
%K ferroelecticity
%K leakage current
%K La0
%K 3Sr0
%K 7TiO3<br>PZT薄膜
%K 铁电性，
%K 漏电流，
%K La0.3Sr0.7TiO3
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=88B062655B5175E5&yid=A732AF04DDA03BB3&vid=014B591DF029732F&iid=38B194292C032A66&sid=E0E0A0F322B76027&eid=76F79DF7CA22520E&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=24