fig2

Figure 2. (A) Fresnel image of Alnico sample; (B) HAADF image of the sample; (C) two-dimensional schematic of the sample microstructure; (D) locally magnified image of the HAADF image; (E) electron holographic reconstruction image; (F) phase profile curve corresponding to the yellow line in (e); and elemental distribution maps of the local area: (G) Fe; (H) Co; (I) Ti; (J) Al; (K) Ni; (L) Cu. HAADF: High-angle annular dark field.