Bottom‐Up Growth of Graphene Nanospears and Nanoribbons. - Sun, Haibin; Liu, Fengning; Zhang, Leining; Ko, Kyungmin; McLean, Ben; An, Hao; Kim, Sungkyun; Huang, Ming; Willinger, Marc‐Georg; Ruoff, Rodney S.; Suh, Joonki; Wang, Zhu‐Jun; et al. (Advanced Functional Materials, 2022)