Zhou Jia-Jian, Zhang Yu-Wen, He Chao-Yu, Ouyang Tao, Li Jin, Tang Chao. First-principles study of structure prediction and electronic properties of two-dimensional SiP2 allotropesJ. Acta Physica Sinica, 2022, 71(23): 236101. DOI: 10.7498/aps.71.20220853