Resonant nano-electromechanical systems from 2D materials Kai-Ming Hu, Peng Bo, Xiu-Yuan Li, Yi-Hang Xin, Xin-Ru Bai, Lei Li and Wen-Ming Zhang EPL, 131 5 (2020) 58001 Published online: 18 September 2020 DOI: 10.1209/0295-5075/131/58001