Magnetic Properties of Co 2D Antidot Arrays with Hexagonal Holes Using Colloidal Crystal Template Method

Hong-Fei Qi, Da-Bo Liu, Song-Yan Dai, Tian-Min Wang

Fig. 4 Hysteresis hoops of the Co antidot arrays with pore diameter about 1.3 μm. The H‖ represents the direction of magnetic field applied parallel to the surface of Co antidot arrays and the H ⊥ perpendicular to Co antidot arrays