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Effects of electrodes on ferroelectric properties of PNZT films prepared by sol–gel method

  • Quanliang Zhao*
  • , Peipei Tan
  • , Guangping He
  • , Jiejian Di
  • , Dawei Wang
  • , Lihui Qi
  • , Haibo Jin
  • , Maosheng Cao
  • *Corresponding author for this work
  • North China University of Technology
  • Beijing Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract: Nb-doped lead zirconate titanate (PNZT) perovskite films have been prepared on LaNiO3/SiO2/Si and Pt/Ti/SiO2/Si substrates using a sol–gel route. With the same Au top electrodes, the as-fabricated PNZT/LaNiO3 film exhibits better ferroelectric fatigue property than that of PNZT/Pt film. The results of ferroelectric imprint show that the net internal electric fields toward the top and bottom electrodes can be built in PNZT/LaNiO3 and PNZT/Pt films, respectively. Imprint failure of the PNZT film is found to be affected by the internal electric field, which could be explained by the barriers between the PNZT films and electrodes. The results indicate that the ferroelectric fatigue and imprint properties of PNZT film could be improved by introducing appropriate top and bottom electrodes. Graphical Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)258-261
Number of pages4
JournalJournal of Sol-Gel Science and Technology
Volume78
Issue number2
DOIs
StatePublished - 1 May 2016
Externally publishedYes

Keywords

  • Electrode
  • Fatigue
  • Imprint
  • Lead zirconate titanate

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