# Multi-step stochastic mechanism of polarization reversal in orthorhombic ferroelectrics

Source: [Multi-step stochastic mechanism of polarization reversal in orthorhombic ferroelectrics](<https://www.sota2.com/research/paper/68fa40771e209131ce8f3afe>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-25T02:48:36.316Z

Authors: Yuri A. Genenko, Maohua Zhang, Ivan S. Vorotiahin, Ruben Khachaturyan, Yi-Xuan Liu, Jia-Wang Li, Ke Wang, Jurij Koruza

Published: 2021-09-01T14:34:48.000Z

## Abstract

A stochastic model of electric field-driven polarization reversal in orthorhombic ferroelectrics is advanced, providing a description of their temporal electromechanical response. The theory accounts for all possible parallel and sequential switching events. Application of the model to the simultaneous measurements of polarization and strain kinetics in a lead-free orthorhombic (K,Na)NbO3-based ferroelectric ceramic over a wide timescale of 7 orders of magnitude allowed identification of preferable polarization switching paths, fractions of individual switching processes, and their activation fields. Particularly, the analysis revealed substantial contributions of coherent non-180{\\deg} switching events, which do not cause macroscopic strain and thus mimic 180{\\deg} switching processes.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2109.00406>)

[PDF](<https://arxiv.org/pdf/2109.00406.pdf>)