Intelligent Reversible Reconfigurable Metamaterials Based on a Two-Way Shape Memory Polymer

被引:5
作者
Gu, Haoyu [1 ]
Dong, Xiaoyu [1 ]
Zhang, Qiankun [1 ]
Chi, Dequan [1 ]
Zhang, Yang [1 ]
Cheng, Zhongjun [1 ]
Lv, Tong [2 ]
Xie, Zhimin [3 ]
Xu, Yongjun [1 ]
Zhang, Dongjie [1 ]
Liu, Yuyan [1 ]
机构
[1] Harbin Inst Technol, Sch Chem & Chem Engn, Harbin 150001, Peoples R China
[2] Res Inst Aerosp Special Mat & Proc Technol, Beijing 100174, Peoples R China
[3] Harbin Inst Technol, Ctr Composite Mat & Struct, Natl Key Lab Sci & Technol Adv Composites Special, Harbin 150001, Peoples R China
基金
中国国家自然科学基金;
关键词
reconfigurable metamaterials; two-way shape memory polymer; tunable resonance frequency; reversible; ethylene-vinylacetate copolymer; METASURFACE;
D O I
10.1021/acsami.4c11911
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The development of intelligent reversible reconfigurable metamaterials has great significance in constructing three-dimensional metamaterials and introducing reversible tunability into metamaterials. Here, we introduce an intelligent metamaterial consisting of a two-way shape memory polymer (2W-SMP) ethylene vinyl acetate copolymer (EVA) actuator substrate and a patterned flexible-rigid film. Mechanical buckling of the 2W-SMP substrate was controlled by thermal stimulation. This makes it possible to afford an ability to initiate 3D structure formation or shape reconfiguration remotely in an on-demand fashion. In addition, the shape of the 2W-SMP substrate is temperature-dependent, allowing repeatable reversible deformation through temperature control after a single programming. Therefore, the electromagnetic properties of metamaterials can also be repeatedly and reversibly tuned between 9.15 and 10.82 GHz. Experimental demonstrations include the deformation and tunable electromagnetic properties of intelligent reversible reconfigurable metamaterial cells. The results create many opportunities for advanced programmable three-dimensional metamaterials.
引用
收藏
页码:54627 / 54635
页数:9
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