Sodium Metasurface

Tunable plasmonic resonance

This sodium metasurface achieves dynamic tuning of active plasmonic resonances via heat-initiated structural transformation.

Zhao, Yinghao · Yuhan, Yang · Ji, Changyin · Liang, Qinghua · Fu, Hanyu · Liu, Xing · Zhou, Lin L. · Li, Jiafang · Wang, Yang

Advanced Functional Materials 2023

Advantages

Figure of merit of heat-initiated variable structure-spectrum highly depends on substrate pattern size