Self-powered strain sensor based on the piezo-transmittance of a mechanical metamaterial

J. Gu, J. Ahn, J. Jung, S. Cho, J. Choi, Y. Jeong, J. Park, S. Hwang, I. Cho, J. Ko, J.-H. Ha, Z.-J. Zhao, S. Jeon, S. Ryu, J.-H. Jeong*, I. Park*, Nano Energy, 89, 106447, 2021