Top-Gated Graphene Nanoribbon Transistors with Ultrathin High-k Dielectrics Liao, Lei ; Bai, Jingwei ; Cheng, Rui ; Lin, Yung-Chen ; Jiang, Shan ; Huang, Yu ; Duan, Xiangfeng Abstract Publication: Nano Letters Pub Date: May 2010 DOI: 10.1021/nl100840z Bibcode: 2010NanoL..10.1917L