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Enhanced energy storage behaviors in free-standing antiferroelectric Pb(Zr0.95Ti0.05)O3 thin membranes

  • Zheng Hu Zuo
  • , Qing Feng Zhan*
  • , Bin Chen
  • , Hua Li Yang
  • , Yi Wei Liu
  • , Lu Ping Liu
  • , Ya Li Xie
  • , Run Wei Li
  • *Corresponding author for this work
  • CAS - Ningbo Institute of Material Technology and Engineering

Research output: Contribution to journalArticlepeer-review

Abstract

Free-standing antiferroelectric Pb(Zr0.95Ti0.05)O3 (PZT(95/5)) thin film is fabricated on 200-nm-thick Pt foil by using pulsed laser deposition. X-ray diffraction patterns indicate that free-standing PZT(95/5) film possesses an a-axis preferred orientation. The critical electric field for the 300-nm-thick free-standing PZT(95/5) film transiting from antiferroelectric to ferroelectric phases is increased to 770 kV/cm, but its saturation polarization remains almost unchanged as compared with that of the substrate-clamped PZT(95/5) film. The energy storage density and energy efficiency of the substrate-clamped PZT(95/5) film are 6.49 J/cm3 and 54.5%, respectively. In contrast, after removing the substrate, the energy storage density and energy efficiency of the free-standing PZT(95/5) film are enhanced up to 17.45 J/cm3 and 67.9%, respectively.

Original languageEnglish
Article number087702
JournalChinese Physics B
Volume25
Issue number8
DOIs
StatePublished - Aug 2016
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • antiferroelectric films
  • energy storage
  • freestanding

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