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) Schematic illustration of the electron beam deflection in a specimen using a segmented STEM detector and top view of the four segments detector presenting the results of a not-deflected beam and deflected beam after passing through the specimen. [(b)–(e)] DPC-STEM experimental observation about magnetic skyrmion in Co8Zn8Mn4.[33]