Tunable Two-Layer Dual-Band Metamaterial with Negative Modulus Hao, Limei ; Men, Meiling ; Wang, Yazhe ; Ji, Jiayu ; Yan, Xiaole ; Xie, You ; Zhang, Pengli ; Chen, Zhi Abstract Publication: Materials Pub Date: October 2019 DOI: 10.3390/ma12193229 Bibcode: 2019Mate...12.3229H