Tunable microwave absorbing metamaterial composed of micro-channels filled with replaceable water solution
Tunable microwave absorbing metamaterial composed of micro-channels filled with replaceable water solution
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由充满可替换水溶液的微通道组成的可调谐微波吸收超材料
DOI：
10.1016/j.matlet.2021.131016
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发表时间：
2022-01
影响因子：
3
通讯作者：
Huiling Duan
中科院分区：
文献类型：
--
作者：
Jiyong Liang;Pengyu Lv;Ming Bai;Huiling Duan
采用3D打印方法制备了一种新型的水溶液基可调谐微通道微波吸收超材料。两种不同质量比的水溶液，PEDOT：PSS/水和乙醇/水溶液用作微波吸收介质。研究了水溶液和结构参数对反射损耗和介电性能的影响。结果表明，在8.38- 12.4GHz频率范围内，通过改变水溶液的电导率和介电性质，MAMs（厚度为2.4mm）均具有较好的吸收效果（RL≤-20dB）。此外，通过调节微通道的结构参数，可以在X波段获得RL≤ -20 dB。本研究为制备水溶液型可调谐MAMs提供了一种可行的新方法。
A novel water solution based tunable microwave absorbing metamaterial (MAM) with micro-channels was fabricated by 3D printing method. Two kinds of water solutions with different mass ratio, i.e., PEDOT:PSS/water and ethanol/water solutions, were utilized as microwave absorption media. The influence of water solutions and structural parameters on reflection loss (RL) and dielectric property were investigated. The results show that MAMs (thickness of 2.4 mm) have an effective absorption (RL≤ -20 dB) in the frequency range of 8.38–12.4 GHz by changing water solutions with different conductivity and dielectric property. Furthermore,RL≤ -20 dB in X band can be obtained by tuning the structural parameters of micro-channel. This study provides a feasible and novel strategy for fabricating water solution based tunable MAMs.
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