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). |
(color online) Schematic intensity distribution of Lorentz TEM images at under-focus, just-focus, and over-focus conditions for TIE method |