Design of broadband metamaterial absorber utilized by flower-shaped unit loaded with lumped-resistor Huanrong Tian, Lujie Zhang, Yehao Zhao, Zixuan Liu, Wenjun Cai, Zhenkun Long, Zidong Zhang, Ke Bi and Yao Liu EPJ Appl. Metamat., 11 (2024) 2 Published online: 09 February 2024 DOI: 10.1051/epjam/2024002