Dense ferroelectric-ferroelastic domain structures in rhombohedral PMN-28PT single crystals

  • A. D. Ushakov
  • , A. P. Turygin
  • , A. R. Akhmatkhanov
  • , D. O. Alikin
  • , Q. Hu
  • , X. Liu
  • , Y. Zhao
  • , Z. Xu
  • , X. Wei
  • , V. Ya Shur

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We have studied a dense domain structure (DDS) appearing during polarization reversal in rhombohedral (111)-cut lead magnesium niobate-lead titanate single crystals. The complicated shape of the switching current was explained by means of non-uniform motion of the boundary between the DDS and c-domains using comparative analysis of the optical current and kinetic map. 2D-vector piezoresponse force microscopy revealed that DDS represented needle-like a-domains inside the a-domains with different vertical orientations of spontaneous polarization.

Original languageEnglish
Article number182901
JournalApplied Physics Letters
Volume116
Issue number18
DOIs
StatePublished - 4 May 2020

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