Research Progress in Smart Tunable Electromagnetic Materials

Abstract

Abstract Smart tunable electromagnetic materials can regulate and control their electromagnetic parameters by applying an external field, thus realizing the goal of smartly and actively controlling their electromagnetic properties such as response frequency, resonance range, phase, and polarization. In this paper, smart tunable electromagnetic materials are classified into conductive polymer-based tunable materials, electronic component-based tunable metamaterials, liquid crystal-based tunable materials, graphene-based tunable materials according to different tunable substrates. The relevant research progress of smart tunable electromagnetic materials is reviewed, and their application directions are summarized.