Heat-treating effect on the properties of Pb1-xla x(Zr0.4Ti0.6)O3 ferroelectric thin film prepared by a modified sol-gel process

Fuwen Shi, Genshui Wang, Xiangjian Meng, Jinglan Sun, Junhao Chu

Research output: Contribution to journalConference articlepeer-review

Abstract

2 mol% Lanthanum doped lead zirconate titanate Pb(Zr0.4Ti 0.6)O3 ferroelectric thin film were successfully deposited by a modified sol-gel method on(111) Pt/Ti/SiO2/Si(100) substrate, the effect of heat-treatment on the properties of microstructure and ferroelectric was investigated. It is shown that deposited on (111)Pt lead to (111) preferred orientation. The PLZT thin film annealing at 700°C show good ferroelctric properties with a large remnant polarization of 40μ C/cm 2, a spontaneous polarization of 75.7μ, C/cm2, and a coercive field of 112kV/cm under an electric field of 650kV/cm. The dielectric constant increased with annealing temperature.

Original languageEnglish
Article number36
Pages (from-to)164-167
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5774
DOIs
StatePublished - 2005
Externally publishedYes
EventFifth International Conference on Thin Film Physics and Applications - Shanghai, China
Duration: 31 May 20042 Jun 2004

Keywords

  • Coercive field
  • Ferroelectric thin films
  • Remnant polarization
  • Sol-gel

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