Uniaxial strain tuning of functional properties in antiferroelectric PbZrO3 membrane capacitors
Abstract
Lead zirconate (PbZrO3, PZO) is a prototypical antiferroelectric (AFE) system promising for applications such as energy storage and neuromorphic computing. However, in conventional thin-film architectures, its functional potential is often limited by substrate clamping. Although emerging freestanding membrane techniques offer an approach to release this clamping and enable dynamic strain engineering, a systematic understanding of how external strain modulates the switching between AFE and ferroelectric (FE) states is missing. In this study, we investigate the uniaxial strain effects on PZO membrane capacitors transferred onto flexible substrates via a gold-bonding method. We demonstrate that in-plane dynamic strain modulates the AFE-FE switching and functional properties. Corroborated by atomistic simulations, we reveal that the strain-dependent evolution arises from the superposition of the intrinsic strain dependence of specific domain orientation variants and extrinsic strain-induced redistribution of the relative population of different domain variants. These findings provide a predictive understanding of uniaxial strain tuning of AFE-FE switching in PZO, and pave the way for exploiting the functional potential of freestanding antiferroelectric membranes.
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BibTeX
@misc{saeed2026uniaxial,
title = {{Uniaxial strain tuning of functional properties in antiferroelectric PbZrO3 membrane capacitors}},
author = {Umair Saeed and Huazhang Zhang and David Pesquera and Fernando Gómez-Ortiz and Jessica Padilla- Pantoja and Jose Santiso and Philippe Ghosez and Gustau Catalan},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.38627},
eprint = {2610.38627},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.38627},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Uniaxial strain tuning of functional properties in antiferroelectric PbZrO3 membrane capacitors
AU - Umair Saeed
AU - Huazhang Zhang
AU - David Pesquera
AU - Fernando Gómez-Ortiz
AU - Jessica Padilla- Pantoja
AU - Jose Santiso
AU - Philippe Ghosez
AU - Gustau Catalan
PY - 2026
DA - 2026/10/28
PB - arXiv
DO - 10.48550/arxiv.2610.38627
UR - https://arxiv.org/abs/2610.38627
AB - Lead zirconate (PbZrO3, PZO) is a prototypical antiferroelectric (AFE) system promising for applications such as energy storage and neuromorphic computing. However, in conventional thin-film architectures, its functional potential is often limited by substrate clamping. Although emerging freestanding membrane techniques offer an approach to release this clamping and enable dynamic strain engineering, a systematic understanding of how external strain modulates the switching between AFE and ferroelectric (FE) states is missing. In this study, we investigate the uniaxial strain effects on PZO membrane capacitors transferred onto flexible substrates via a gold-bonding method. We demonstrate that in-plane dynamic strain modulates the AFE-FE switching and functional properties. Corroborated by atomistic simulations, we reveal that the strain-dependent evolution arises from the superposition of the intrinsic strain dependence of specific domain orientation variants and extrinsic strain-induced redistribution of the relative population of different domain variants. These findings provide a predictive understanding of uniaxial strain tuning of AFE-FE switching in PZO, and pave the way for exploiting the functional potential of freestanding antiferroelectric membranes.
ER -