Nature Communications (Aug 2022)

Enhanced polarization and abnormal flexural deformation in bent freestanding perovskite oxides

  • Songhua Cai,
  • Yingzhuo Lun,
  • Dianxiang Ji,
  • Peng Lv,
  • Lu Han,
  • Changqing Guo,
  • Yipeng Zang,
  • Si Gao,
  • Yifan Wei,
  • Min Gu,
  • Chunchen Zhang,
  • Zhengbin Gu,
  • Xueyun Wang,
  • Christopher Addiego,
  • Daining Fang,
  • Yuefeng Nie,
  • Jiawang Hong,
  • Peng Wang,
  • Xiaoqing Pan

DOI
https://doi.org/10.1038/s41467-022-32519-2
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 10

Abstract

Read online

Freestanding perovskite oxides pave the way to novel flexural properties. Here, the authors observe the nanoscale strain gradient induced flexoelectric polarization with an unusual flexo-expansion/shrinkage effect in freestanding ferroelectric oxide.