Microwave flexible dielectric materials offer a new set of attractive applications for modern devices as well as for metamaterial research and technology. In this article, metamaterials with double-negative characteristics fabricated on a novel flexible dielectric substrate are presented. These novel flexible microwave substrates were prepared from Mg-Zn ferrite powder. The proposed flexible metamaterials offer double-negative (DNG) properties, polarization insensitivity, and a higher effective medium ratio (EMR) for multiple bands of application. The prepared, flexible substrates exhibit performance superior to commercial materials with tunable dielectric properties, and the proposed metamaterial structure enhances the antenna performances as well. The flexible substrates are synthesized from Mg-Zn ferrite having two different molecular compositions of Mg denoted as Mg₄₀ and Mg₆₀. The prepared, highly flexible, and lightweight magnesium zinc ferrites of Mg₄₀ and Mg₆₀ possess tunable dielectric properties with relative dielectric permittivity of 5.18 and 4.20 and dielectric loss tangents of 0.004 and 0.006, respectively. The double-negative (DNG) metamaterial behavior is observed with the fabricated flexible metamaterials at 2.92 GHz, 4.42 GHz, 7.75 GHz, and 9.84 GHz for Mg₄₀ and 3.16 GHz, 4.71 GHz, 8.21 GHz, and 10.52 GHz for Mg₆₀ and validated by using 3D electromagnetic Simulator CST (Computer Simulation Technology) Microwave Studio and ADS (Advanced Design System) software. Therefore, the prepared, flexible metamaterials having improved EMR, polarization insensitivity, and DNG properties on a MgZnFe₂O₄ substrate are suitable additions to the field of the flexible microwave.

微波柔性介电材料为现代设备以及超材料研究和技术提供了一组新的有吸引力的应用程序。本文介绍了一种在新型柔性介电基板上制造的具有双负特性的超材料。这些新颖的柔性微波基板是由Mg-Zn铁氧体粉末制成的。所提出的柔性超材料提供了双负（DNG）特性，极化不敏感性以及适用于多个应用领域的更高的有效介质比率（EMR）。所制备的柔性基板表现出优于具有可调介电性能的商业材料的性能，并且所提出的超材料结构也增强了天线性能。₄₀和Mg ₆₀。制备的Mg ₄₀和Mg _60的高柔韧性轻质镁锌铁氧体具有可调的介电性能，相对介电常数为5.18和4.20，介电损耗角正切分别为0.004和0.006。对于Mg ₄₀，制造的柔性超材料在2.92 GHz，4.42 GHz，7.75 GHz和9.84 GHz处观察到双负（DNG）超材料的行为，对于Mg _60在3.16 GHz，4.71 GHz，8.21 GHz和10.52 GHz下观察到双负（DNG）超材料的行为并使用3D电磁仿真器CST（计算机仿真技术）Microwave Studio和ADS（高级设计系统）软件进行了验证。因此，在MgZnFe ₂ O ₄ 衬底上制备的具有改善的EMR，极化不敏感性和DNG特性的柔性超常材料是柔性微波领域的合适补充。