Mo Man-Man, Ma Wu-Wei, Pang Yong-Qiang, Chen Run-Hua, Zhang Xiao-Mei, Liu Zhao-Tang, Li Xiang, Guo Wan-Tao. Broadband absorbent materials based on topology optimization designJ. Acta Physica Sinica, 2018, 67(21): 217801. DOI: 10.7498/aps.67.20181170