Dual-coupling-guided epitaxial growth of wafer-scale single-crystal WS2 monolayer on vicinal a-plane sapphire

Jinhuan Wang, Xiaozhi Xu, Ting Cheng, Lehua Gu, Ruixi Qiao, Zhihua Liang, Dongdong Ding, Hao Hong, Peiming Zheng, Zhibin Zhang, Zhihong Zhang, Shuai Zhang, Guoliang Cui, Chao Chang, Chen Huang, Jiajie Qi, Jing Liang, Can Liu, Yonggang Zuo, Guodong Xue, Xinjie Fang, Jinpeng Tian, Muhong Wu, Yi Guo, Zhixin Yao, Qingze Jiao, Lei Liu, Peng Gao, Qunyang Li, Rong Yang, Guangyu Zhang, Zhilie Tang, Dapeng Yu, Enge Wang, Jianming Lü, Yun Zhao, Shiwei Wu, Feng Ding, Kaihui Liu