Smart reconfigurable metadevices made of shape memory alloy metamaterials

作     者：Shiqiang Zhao Yuancheng Fan Ruisheng Yang Zhehao Ye Fuli Zhang Chen Wang Weijia Luo Yongzheng Wen Ji Zhou Shiqiang Zhao;Yuancheng Fan;Ruisheng Yang;Zhehao Ye;Fuli Zhang;Chen Wang;Weijia Luo;Yongzheng Wen;Ji Zhou

作者机构：MOE Key Laboratory of Material Physics and Chemistry under Extraordinary ConditionsSchool of Physical Science and TechnologyNorthwestern Polytechnical UniversityXi'an 710129China State Key Lab of New Ceramics and Fine ProcessingDepartment of Materials Science and EngineeringTsinghua UniversityBeijing 100084China. 

出 版 物：《Opto-Electronic Advances》 (光电进展(英文))

年 卷 期：2025年第8卷第2期

页      面：6-14页

核心收录：

学科分类：08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：the financial support from the National Key R&D Program of China (Nos. 2023YFB3811400, 2022YFB3806000) the National Natural Science Foundation of China (Nos. 12074314, 52202370, 52332006) the Aeronautical Science Foundation of China (No. 20230018053007) the Science and Technology New Star Program of Shaanxi Province (No. 2023KJXX-148) the Fundamental Research Funds for the Central Universities China Postdoctoral Science Foundation (No. 2023T160359) 

主　　题：metamaterials extraordinary optical transmission shape memory alloy temperature tunability 

摘      要：Reconfigurable metamaterials significantly expand the application scenarios and operating frequency range of metamaterials,making them promising candidates for use in smart tunable ***,we propose and experimentally demonstrate that integrating metamaterial design principles with the intrinsic features of natural materials can engineer thermal smart *** extraordinary optical transmission like(EOT-like)phenomena have been achieved in the microwave regime using shape memory alloy(SMA).The strongly localized fields generated by designed metadevices,combined with the intense interference of incident waves,enhance transmission through subwavelength *** the temperature-responsive properties of SMA,the morphology of the metadevice can be recontructed,thereby modifying its response to electromagnetic *** experiments demonstrated control over the operating frequency and transmission amplitude of EOT-like behavior,achieving a maximum transmission enhancement factor of ***,the metadevices with modular design enable the realization of multiple functions with independent control have been *** proposed SMA-based metamaterials offer advantages in terms of miniaturization,easy processing,and high design *** may have potential applications in microwave devices requiring temperature control,such as sensing and monitoring.