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Title: Symmetry breaking and electrical frustration during tip-induced polarization switching in the non-polar cut of lithium niobate single crystals

Journal Article · · ACS Nano
DOI:https://doi.org/10.1021/nn506268g· OSTI ID:1185733
 [1];  [2];  [3];  [4];  [3];  [5];  [2];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Ural Federal Univ. (Russia)
  3. National Academy of Sciences of Ukraine (NASU), Kiev (Ukraine).
  4. Kiev University (Ukraine)
  5. Univ. of Aveiro (Portugal)

Polarization switching in ferroelectric materials is governed by a delicate interplay between bulk polarization dynamics and screening processes at surfaces and domain walls. Here we explore the mechanism of tip-induced polarization switching in the non-polar cuts of uniaxial ferroelectrics. In this case, in-plane component of polarization vector switches, allowing for detailed observations of resultant domain morphologies. We observe surprising variability of resultant domain morphologies stemming from fundamental instability of formed charged domain wall and associated electric frustration. In particular, we demonstrate that controlling vertical tip position allows the polarity of the switching to be controlled. This represents very unusual form of symmetry breaking where mechanical motion in vertical direction controls the lateral domain growth. The implication of these studies for ferroelectric devices and domain wall electronics are discussed.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1185733
Journal Information:
ACS Nano, Vol. 9, Issue 1; ISSN 1936-0851
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 47 works
Citation information provided by
Web of Science

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Cited By (13)

Domain Diversity and Polarization Switching in Amino Acid β-Glycine journal April 2019
Self-consistent theory of nanodomain formation on nonpolar surfaces of ferroelectrics journal April 2016
Tailorable Optical Response of Au-LiNbO 3 Hybrid Metamaterial Thin Films for Optical Waveguide Applications journal July 2018
Ferroelectric domain engineering of lithium niobate single crystal confined in glass journal January 2019
Statics and Dynamics of Ferroelectric Domains in Diisopropylammonium Bromide journal October 2015
In-Plane Ferroelectricity in Thin Flakes of Van der Waals Hybrid Perovskite journal October 2018
Temperature Effect on the Stability of the Polarized State Created by Local Electric Fields in Strontium Barium Niobate Single Crystals journal March 2017
Ferroelectric switching by the grounded scanning probe microscopy tip journal June 2015
Fluorinated 2D Lead Iodide Perovskite Ferroelectrics journal June 2019
Tip-induced domain growth on the non-polar cuts of lithium niobate single-crystals journal May 2015
The Formation of Self-Organized Domain Structures at Non-Polar Cuts of Lithium Niobate as a Result of Local Switching by an SPM Tip journal September 2017
Glycine nanostructures and domains in beta-glycine: computational modeling and PFM observations journal April 2016
Domain formation on the nonpolar lithium niobate surfaces under electron-beam irradiation: A review journal April 2018

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