A 3D-printed molecular ferroelectric metamaterial
Abstract
Molecular ferroelectrics, which show the ability to switch the electromechanical activity by an external electric field, establish the basis for mechanical metamaterial technologies. Despite their theoretical promise, such mechanical metamaterials remain hindered by the lack of adaptive stimuli-responsive materials which can be effectively tuned “on demand” across time and length scales. Here, we unravel a printable mechanical metamaterial of imidazolium perchlorate with superior electromechanical coupling and reprogrammable stiffness. We propose a continuous rapid three-dimensional (3D) printing technique which can reduce the manufacturing time of ferroelectrics from hours down to minutes. The printed molecular ferroelectric metamaterial structure is then shown to enable a tunable-frequency vibration-isolating architecture. This study paves the way for rationally designed 3D-printable molecular ferroelectric metamaterials.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Oct 19, 2020
- Source ID
- 10.1073/pnas.2013934117
Entities
People
- Andrew Ragonese
- Changning Li
- Chi Zhou
- Jeffrey Grossman
- Mostafa Nouh
- Saurabh Khuje
- Shenqiang Ren
- Taishan Zhu
- Yong Hu
- Zipeng Guo
Organizations
- Army Research Office
- Massachusetts Institute of Technology
- National Science Foundation
- United States Department of Energy
- University at Buffalo