Indentation induced local polarization reversal in La doped BiFeO3 ceramics
authors Abramov, AS; Alikin, DO; Yuzhakov, VV; Nikitin, AV; Latushko, SI; Karpinsky, DV; Shur, VY; Kholkin, AL
nationality International
journal FERROELECTRICS
author keywords bismuth ferrite; mechanical loading; indentation; polarization reversal; domain structure
keywords BATIO3 SINGLE-CRYSTAL; GRAIN-BOUNDARIES; DOMAIN-STRUCTURE; THIN-FILMS; IN-SITU; STRESS; BEHAVIOR; NANOINDENTATION; TRANSFORMATION; EVOLUTION
abstract Stress-induced local polarization reversal was studied in La doped BiFeO3 ceramics under the action of Berkovich-type prism indentation. Piezoresponse force microscopy was used for detailed study of domain structure before and after local polarization reversal. Two mechanisms of domain formation under the action of the mechanical loading were revealed: (1) direct stress-induced and (2) stress mediated by grain clamping. Critical stress value for local polarization reversal was extracted from the dependence of the switched area on the applied loading force.
publisher TAYLOR & FRANCIS LTD
issn 0015-0193
isbn 1563-5112
year published 2019
volume 541
issue 1
beginning page 1
ending page 9
digital object identifier (doi) 10.1080/00150193.2019.1574634
web of science category Materials Science, Multidisciplinary; Physics, Condensed Matter
subject category Materials Science; Physics
unique article identifier WOS:000475391000002
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journal analysis (jcr 2019):
journal impact factor 0.669
5 year journal impact factor 0.718
category normalized journal impact factor percentile 9.089
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