Nature Communications (Jun 2017)

Non-Ising and chiral ferroelectric domain walls revealed by nonlinear optical microscopy

  • Salia Cherifi-Hertel,
  • Hervé Bulou,
  • Riccardo Hertel,
  • Grégory Taupier,
  • Kokou Dodzi (Honorat) Dorkenoo,
  • Christian Andreas,
  • Jill Guyonnet,
  • Iaroslav Gaponenko,
  • Katia Gallo,
  • Patrycja Paruch

DOI
https://doi.org/10.1038/ncomms15768
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 9

Abstract

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Understanding the structure of domain walls is an important step in developing nanoscale ferroelectric devices. Here, the authors use second harmonic imaging to verify predictions of Bloch and Néel, rather than simple Ising, domain wall structures in lead zirconium titanate and lithium tantalate.