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Metamaterials based on the phase transition of VO2

机译：基于VO2相变的超材料

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In this article, we present a comprehensive review on recent research progress in design and fabrication of active tunable metamaterials and devices based on phase transition of VO2. Firstly, we introduce mechanisms of the metal-to-insulator phase transition (MIPT) in VO2 investigated by ultrafast THz spectroscopies. By analyzing the THz spectra, the evolutions of MIPT in VO2 induced by different external excitations are described. The superiorities of using VO2 as building blocks to construct highly tunable metamaterials are discussed. Subsequently, the recently demonstrated metamaterial devices based on VO2 are reviewed. These metamaterials devices are summarized and described in the categories of working frequency. In each working frequency range, representative metamaterials based on VO2 with different architectures and functionalities are reviewed and the contributions of the MIPT of VO2 are emphasized. Finally, we conclude the recent reports and provide a prospect on the strategies of developing future tunable metamaterials based on VO2.
机译：在本文中，我们在基于VO2的相转变的基于阶段转换的主动调谐超材料和器件的设计和制造的最近研究进展情况进行了全面的审查。首先，我们引入由超紫杉谱研究所研究的VO2中的金属对绝缘剂相转变（MIPT）的机制。通过分析THz光谱，描述了不同外部激发诱导的VO2中的MIPT的演变。讨论了使用VO2作为构建高度可调超材料的构建块的优势。随后，综述了基于VO2的最近演示的超材料设备。这些超材料设备总结和描述了工作频率的类别。在每个工作频率范围内，审查了基于具有不同架构和功能的VO2的代表性超材料，并强调了VO2的MIPT的贡献。最后，我们得出最近的报告，并为基于VO2的发展未来可调性超材料的策略提供了前景。

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