57. Zhaolong Chen, Chunyu Xie, Wendong Wang, Jinpei Zhao, Bingyao Liu, Jingyuan Shan, Xueyan Wang, Min Hong, Li Lin, Li Huang, Xiao Lin, Shenyuan Yang, Xuan Gao, Yanfeng Zhang*, Peng Gao*, Kostya S Novoselov*, Jingyu Sun*, Zhongfan Liu*. Direct growth of wafer-scale highly oriented graphene on sapphire. Sci. Adv. 2021, 7, eabk0115.