Polymer actuation using a Joule-heating-induced ferroelectric phase transition

The output mechanical energy densities of ferroelectric polymers remain orders of magnitude smaller than those of piezoelectric ceramics and crystals, limiting their applications in soft actuators. But polymer composites subject to an electro-thermally driven ferroelectric phase transition under low...

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Bibliographic Details
Published inNature materials Vol. 22; no. 7; pp. 814 - 815
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 01.07.2023
Nature Publishing Group
Subjects
639/301/1005/1006
639/301/119/996
Actuation
Actuators
Behavior
Biomaterials
Chemistry and Materials Science
Condensed Matter Physics
Crystals
Electric fields
Energy
Ferroelectric materials
Ferroelectricity
Fluorides
Materials Science
Nanocomposites
Nanotechnology
Optical and Electronic Materials
Phase transitions
Piezoelectric ceramics
Polymer matrix composites
Polymers
Research Briefing
Single crystals
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Summary:The output mechanical energy densities of ferroelectric polymers remain orders of magnitude smaller than those of piezoelectric ceramics and crystals, limiting their applications in soft actuators. But polymer composites subject to an electro-thermally driven ferroelectric phase transition under low electric fields are now shown to have giant actuation strains and large energy densities.
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ISSN:1476-1122
1476-4660
1476-4660
DOI:10.1038/s41563-023-01566-5