Structure change of poly(vinylidene fluoride-trifluoroethylene) ferroelectric thin films on different electrodes

  • P. F. Liu
  • , X. J. Meng
  • , J. L. Wang
  • , J. H. Chu
  • , P. Gemeiner
  • , S. Geiger
  • , B. Dkhil

Research output: Contribution to journalArticlepeer-review

Abstract

In this work we studied 65nm-thick poly(vinylidene fluoride- trifluoroethylene) ferroelectric polymers P(VDF-TrFE) films grown by Langmuir-Blodgett (LB) onto silicon substrates. The effects of two different bottom electrodes namely Al and LaNiO3 (LNO) are investigated. Temperature dependence of dielectric constant shows that the film grown on the Al has a better dielectric response. X-ray diffraction indicates that more defects or gauche segments exist in film on LNO, which lead to deterioration of dielectric property.

Original languageEnglish
Pages (from-to)183-187
Number of pages5
JournalFerroelectrics
Volume405
Issue number1
DOIs
StatePublished - 2010
Externally publishedYes

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