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Electrically and mechanically driven rotation of polar spirals in a relaxor ferroelectric polymer.

ABSTRACT: Topology created by quasi-continuous spatial variations of a local polarization direction represents an exotic state of matter, but field-driven manipulation has been hitherto limited to creation and destruction. Here we report that relatively small electric or mechanical fields can drive the non-volatile rotation of polar spirals in discretized microregions of the relaxor ferroelectric polymer poly(vinylidene fluoride-ran-trifluoroethylene). These polar spirals arise from the asymmetric Coulomb interaction between vertically aligned helical polymer chains, and can be rotated in-plane through various angles with robust retention. Given also that our manipulation of topological order can be detected via infrared absorption, our work suggests a new direction for the application of complex materials.

SUBMITTER: Guo M

PROVIDER: S-EPMC10774403 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature

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Electrically and mechanically driven rotation of polar spirals in a relaxor ferroelectric polymer.

Guo Mengfan M Xu Erxiang E Huang Houbing H Guo Changqing C Chen Hetian H Chen Shulin S He Shan S Zhou Le L Ma Jing J Shen Zhonghui Z Xu Ben B Yi Di D Gao Peng P Nan Ce-Wen CW Mathur Neil D ND Shen Yang Y

Nature communications 20240108 1

Topology created by quasi-continuous spatial variations of a local polarization direction represents an exotic state of matter, but field-driven manipulation has been hitherto limited to creation and destruction. Here we report that relatively small electric or mechanical fields can drive the non-volatile rotation of polar spirals in discretized microregions of the relaxor ferroelectric polymer poly(vinylidene fluoride-ran-trifluoroethylene). These polar spirals arise from the asymmetric Coulomb ...[more]

PMID: 38191601

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