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Polarization reversal dynamics of ferroelastic nanodomains in Pb(Zr,Ti)O3 thin film

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Title
Polarization reversal dynamics of ferroelastic nanodomains in Pb(Zr,Ti)O3 thin film
Author(s)
Choi, Je Oh; Wang, Bo; Funakubo, Hiroshi; Ji Hye Lee; Lee, Su Yong; Chen, Long-Qing; Tae Won Noh; Jo, Ji Young; Hyeon Jun Lee
Publication Date
2024-03
Journal
Acta Materialia, v.266
Publisher
Elsevier BV
Abstract
Applying an electric field along the [001] direction can drive the coupled polarization reversal in [100] oriented ferroelastic nano-sized a-domains in Pb(Zr,Ti)O3 thin film. In this study, experimental probing of nanodomain evolution in ferroelastic Pb(Zr,Ti)O3 thin films using in-situ synchrotron X-ray scattering reveals mechanisms of polarization reversal of both nanosized a-domains as well as that of matrix c-domains. Polarization reversal of a- and matrix c-domains under an electric field along the [001] direction generates the scattering intensity–electric field hysteresis loops. Both time-dependent scattering intensity and phase-field simulation reveal that the polarization reversal of nanodomains can be completed ten times faster than that of matrix c-domain owing to the ferroelastic switching mediated reversal mechanism. © 2024
URI
https://pr.ibs.re.kr/handle/8788114/14914
DOI
10.1016/j.actamat.2024.119688
ISSN
1359-6454
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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