67. H. Wu, A. Chen, P. Zhang, H. He, J. Nance, C. Guo, J. Sasaki, T. Shirokura, P. Hai, B. Fang, S. Razavi, K. Wong, Y. Wen, Y. Ma, G. Yu, G. P. Carman, X. Han, X. Zhang, and K. L. Wang, Magnetic memory driven by topological insulators, Nature Commun. 12, 6251 (2021)