Appl. Phys. Lett. 116, 221902 (2020); https://doi.org/10.1063/5.0009085 116, 221902 © 2020 Author(s). The mechanism exploration for zero-field ferromagnetism in intrinsic topological insulator MnBi 2 Te 4 by Bi 2 Te 3 intercalations Cite as: Appl. Phys. Lett. 116, 221902 (2020); https://doi.org/10.1063/5.0009085 Submitted: 06 April 2020 . Accepted: 20 May 2020 . Published Online: 05 June 2020 Hangkai Xie, Dinghui Wang, Zixiu Cai, Bo Chen, Jingwen Guo, Muhammad Naveed, Shuai Zhang, Minhao Zhang, Xuefeng Wang , Fucong Fei, Haijun Zhang, and Fengqi Song COLLECTIONS This paper was selected as an Editor’s Pick