Applied Physics Letters, 120-19, 2022 doi:10.1063/5.0088546
Wang Hanchen, Yang Yuben, Madami Marco, Wang Yizhan, Du Mian, Chen Jilei, Zhang Yu, Sheng Lutong, Zhang Jianyu, Wen Chen, Zhang Yuelin, Hao Sijie, Yu Guoqiang, Han Xiufeng, Gubbiotti Gianluca, Shen Ka, Zhang Jinxing, Yu Haiming