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Fizika Tverdogo Tela, 2023 Volume 65, Issue 8, Pages 1368–1374 (Mi ftt10784)

Ferroelectricity

Microstructure of spherulitic lead zirconate titanate thin films

M. V. Staritsyna, V. P. Proninb, I. I. Khinichb, S. V. Senkevichc, E. Yu. Kaptelovc, I. P. Proninc, A. S. Elshind, E. D. Mishinad

a Prometei Central Research Institute of Structural Materials, St. Petersburg
b Herzen State Pedagogical University of Russia, St. Petersburg
c Ioffe Institute, St. Petersburg
d MIREA — Russian Technological University, Moscow

Abstract: The features of the microstructure of radiant spherulites in lead zirconate titanate thin films are studied using scanning electron and nonlinear optical microscopy by varying the blocks size of the perovskite structure. It is shown that as the spherulite radius (or block size) increases, the rotation angle of the growth axis increases, the rotation angle velocity changes, and the magnitude of the second optical harmonic signal changes.

Keywords: lead zirconate titanate thin films, PZT, scanning electron microscopy, nonlinear optical microscopy, pyrochlore-perovskite phase transformation.

Received: 04.07.2023
Revised: 04.07.2023
Accepted: 05.06.2023

DOI: 10.21883/FTT.2023.08.56155.140



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