A 3D-printed molecular ferroelectric metamaterial
Name
pnas.2013934117.pdf
Description
Published version
Size
1.57 MB
Format
Adobe PDF
Checksum (MD5)
6e8c27eb6ea788fe9fb9f3416f67afea
Author(s)
Hu, Yong
Guo, Zipeng
Ragonese, Andrew
Zhu, Taishan
Khuje, Saurabh
Li, Changning
Grossman, Jeffrey C
Zhou, Chi
Nouh, Mostafa
Ren, Shenqiang
Date Issued
2020
Journal
Proceedings of the National Academy of Sciences of the United States of America
Publisher
Proceedings of the National Academy of Sciences
Citation
Hu, Yong, Guo, Zipeng, Ragonese, Andrew, Zhu, Taishan, Khuje, Saurabh et al. 2020. "A 3D-printed molecular ferroelectric metamaterial." Proceedings of the National Academy of Sciences of the United States of America, 117 (44).
Version
Final published version
Abstract
© 2020 National Academy of Sciences. All rights reserved. Molecular ferroelectrics combine electromechanical coupling and electric polarizabilities, offering immense promise in stimuli-dependent metamaterials. Despite such promise, current physical realizations of mechanical metamaterials remain hindered by the lack of rapid-prototyping ferroelectric metamaterial structures. Here, we present a continuous rapid printing strategy for the volumetric deposition of water-soluble molecular ferroelectric metamaterials with precise spatial control in virtually any three-dimensional (3D) geometry by means of an electric-field–assisted additive manufacturing. We demonstrate a scaffold-supported ferroelectric crystalline lattice that enables self-healing and a reprogrammable stiffness for dynamic tuning of mechanical metamaterials with a long lifetime and sustainability. A molecular ferroelectric architecture with resonant inclusions then exhibits adaptive mitigation of incident vibroacoustic dynamic loads via an electrically tunable subwavelength-frequency band gap. The findings shown here pave the way for the versatile additive manufacturing of molecular ferroelectric metamaterials.
MIT Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1073/PNAS.2013934117
