Asymmetric capacitance-voltage curves induced by pinned interface dipoles in poly(vinylidene fluoride/trifluoroethylene) capacitor

  • Bo Lu Liu
  • , Bo Bo Tian*
  • , Xiao Lin Zhao
  • , Jian Lu Wang
  • , Shuo Sun
  • , Hong Shen
  • , Jing Lan Sun
  • , Xiang Jian Meng
  • , Jun Hao Chu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The capacitance-voltage (C-V) curves of Au/P(VDF-TrFE)/Al capacitor were investigated from 200 K to 310 K. An asymmetry of capacitance value at 0 bias voltage under two polarization orientations was observed at room temperature region, which can be applied in the field of non-volatile memory. The capacitance asymmetry decays with reduced temperature and disappears as the temperature is below 230 K. The phenomena is attributed to a pinned dipole layer between P(VDF-TrFE) films and Al metal electrode.

Original languageEnglish
Pages (from-to)143-146
Number of pages4
JournalHongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves
Volume35
Issue number2
DOIs
StatePublished - 1 Apr 2016
Externally publishedYes

Keywords

  • Capacitor
  • Domain walls
  • Memory
  • P(VDF-TrFE)

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