A Combined TEM/STEM and Micromagnetic Study of the Anisotropic Nature of Grain Boundaries and Coercivity in Nd-Fe-B Magnets

Figure 10

(a) Hysteresis curves of the 8-G model structure with a GB thickness ranging from 4 nm to 12 nm and = 0°; points ①–⑥ correspond to the magnetic configuration in Figure 11. (b) Influence of the GB thickness (0 nm–12 nm) on in the 8-G model structure for = 0°.

(a)

(b)