Epitaxial growth of large-grain-size ferromagnetic monolayer CrI$_{3}$ for valley Zeeman splitting enhancement.

Lipeng Gong, Cheng Zhang, Anmin Nie, Changqing Lin, Hao Zhang, Chaofeng Gao, Meng Wang, Xi Zhang, Nannan Han, Huimin Su, Chen Lin, Yizheng Jin, Chenhui Zhang, Xixiang Zhang, Jun-Feng Dai, Yingchun Cheng, Wei Huang