Probing magnetic-proximity-effect enlarged valley splitting in monolayer WSe₂ by photoluminescence

Chenji Zou, Chunxiao Cong, Jingzhi Shang, Chuan Zhao, Mustafa Eginligil, Lishu Wu, Yu Chen, Hongbo Zhang, Shun Feng, Jing Zhang, Hao Zeng, Wei Huang, Ting Yu