High-Efficient Spin Injection in GaN at Room Temperature Through A Van der Waals Tunnelling Barrier. - Lin, Di; Kang, Wenyu; Wu, Qipeng; Song, Anke; Wu, Xuefeng; Liu, Guozhen; Wu, Jianfeng; Wu, Yaping; Li, Xu; Wu, Zhiming; Cai, Duanjun; Yin, Jun; et al. (Nanoscale Research Letters, 2022)