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    Superbroad-band actively tunable acoustic metamaterials driven from poly (ethylene terephthalate)/Carbon nanotube nanocomposite membranes

    Actively tunable acoustic metamaterials have attracted ever increasing attention. However, their tunable frequency range is quite narrow (tens of Hz) even under ultrahigh applied voltage (about 1,000 V). Here,...

    Ying Li, Wen Ning, Qingyu Peng, Minglong Yang, Dongyi Lei, Siyao Guo in Nano Research (2021)