Anisotropic nanocomposite soft/hard multilayer magnets
Liu Wei, Zhang Zhidong
       

Hysteresis loops of (a) the trilayer film Mo (50 nm)/Nd16Fe71B13 (800 nm)/Fe (11 nm)/Nd16Fe71B13 (800 nm)/Mo (50 nm) at 295 K, the textured multilayer film Mo (50 nm)/Nd16Fe71B13 (800 nm)/Mo (2 nm)/Fe (11 nm)/Mo (2 nm)/Nd16Fe71B13 (800 nm)/Mo (50 nm) (b) at 295 K and (c) at 180 K, (d) the textured multilayer film Mo (50 nm)/Nd16Fe71B13 (800 nm)/Mo (4 nm)/Nd16Fe71B13 (800 nm)/Mo (50 nm) at 180 K, (e) the textured single-layered film Mo (50 nm)/Nd16Fe71B13 (800 nm)/Mo (50 nm) at 180 K, (f) the isotropic multilayer film Mo (50 nm)/Nd16Fe71B13 (800 nm)/Mo (2 nm)/Fe (11 nm)/Mo (2 nm)/Nd16Fe71B13 (800 nm)/Mo (50 nm) at 180 K, with the magnetic field applied parallel (||) and perpendicular (⊥) to the film plane.[16]