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

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

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

Keywords

  • antiferroelectric films
  • energy storage
  • freestanding

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