Observation of bandgaps in multilayer silicon nanoribbons. - Gao, Zhicheng; Li, Dong; Zhou, Hui; Gao, Jisong; Hu, Xuegao; Cai, Zhihao; Zhao, Qiaoxiao; Zhou, Yudian; Cheng, Peng; Wu, Kehui; Chen, Lan; Feng, Baojie (Applied Physics Letters, 2026)