Topological Defects with Distinct Dipole Configurations in PbTiO3/SrTiO3 Multilayer Films

  • Lu Lu
  • , Yousra Nahas
  • , Ming Liu
  • , Hongchu Du
  • , Zhijun Jiang
  • , Shengping Ren
  • , Dawei Wang
  • , Lei Jin
  • , Sergei Prokhorenko
  • , Chun Lin Jia
  • , Laurent Bellaiche

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

Distinct and novel features of nanometric electric topological defects, including dipole waves and dipole disclinations, are presently revealed in the PbTiO3 layers of PbTiO3/SrTiO3 multilayer films by means of quantitative high-resolution scanning transmission electron microscopy. These original dipole configurations are confirmed and explained by atomistic simulations and have the potential to act as functional elements in future electronics.

Original languageEnglish
Article number177601
JournalPhysical Review Letters
Volume120
Issue number17
DOIs
StatePublished - 23 Apr 2018

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