Nonlinear Optics for Crystallographic Analysis in Lead Zirconate Titanate

The azimuthal dependences of the optical second harmonic generation signal from crystallized regions (spherulites) of the ferroelectric phase in lead zirconate titanate films are investigated to determine the symmetry and orientation of crystallites. These dependencies in different regions of the sa...

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Bibliographic Details
Published in:Coatings (Basel) 2023-01, Vol.13 (2), p.247
Main Authors: Elshin, Andrey Sergeevich, Staritsyn, Mikhail Vladimirovich, Pronin, Igor Petrovich, Senkevich, Stanislav Viktorovich, Mishina, Elena Dmitrievna
Format: Article
Language:English
Subjects:
Analysis
Annealing
Composition
Crystallites
Crystallization
Crystallography
Dielectric films
Electric fields
Ferroelectricity
Ferroelectrics
Laboratories
Lasers
Lead compounds
Lead zirconate titanates
Microscopy
Nanocrystals
Nonlinear optics
Optical communication
Optical properties
Optics
Radiation
Second harmonic generation
Signal generation
Spherulites
Structure
Symmetry
Thin films
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Summary:The azimuthal dependences of the optical second harmonic generation signal from crystallized regions (spherulites) of the ferroelectric phase in lead zirconate titanate films are investigated to determine the symmetry and orientation of crystallites. These dependencies in different regions of the same spherulite have different shapes, which indicates a difference in crystallographic orientations and/or symmetry. Based on the assumption of the possible presence of two syngonies and three orientations for each, the fitting of experimental azimuthal dependences by model curves was carried out, which provided information about the ratio of these phases and orientations in different areas of the film.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings13020247