Multiband and broadband acoustic metamaterials from nested multilayer hollow tubes. - Hao, Limei; Liu, Dong-an; Yang, Xiao; Yan, Xiaole; Guo, Jifeng; Yang, Qingning; Tian, Xingchen; Pang, Shaofang; Xie, You; Chen, Zhi (Applied Physics A: Materials Science & Processing, 2025)