Lorentz transmission electron microscopy studies on topological magnetic domains*

Project supported by the National Key Research and Development Program of China (Grant No. 2016YFB0700902), the National Natural Science Foundation of China (Grant Nos. 51590880, 11674379, 51431009, 11674373, and 51625101), and the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Grant No. 2015004).

Peng Li-cong1, 2, Zhang Ying1, †, Zuo Shu-lan1, 2, He Min1, 2, Cai Jian-wang1, 2, Wang Shou-guo3, Wei Hong-xiang1, Li Jian-qi1, 2, Zhao Tong-yun1, Shen Bao-gen1, 2
       

(color online) (a)–(h) In situ Lorentz TEM observation for electric current dependence of cross-tie domain wall evolution. (i) Schematic electric-current manipulation device. (j) The summarized number of vortex cores versus current.[61]