Title :
Direct observation of magnetostatic coupling of chain arrays of magnetic disks
Author :
Zhu, Xiaobin ; Metlushko, Vitali ; Ilic, Bojan ; Grutter, Peter
Author_Institution :
Dept. of Phys., McGill Univ., Montreal, Canada
Abstract :
Magnetostatic coupling of Permalloy disk chains were studied by magnetic-force microscopy. The annihilation process occurs at the center of the chain, while nucleation initiates at the edge of the chain. The switching is strongly coupled along the chain direction.
Keywords :
Permalloy; magnetic force microscopy; magnetic switching; magnetostatics; Ni80Fe20; Permalloy disk chains; magnetic-force microscopy; magnetostatic coupling; switching; vortex annihilation; vortex nucleation; Couplings; Magnetic anisotropy; Magnetic cores; Magnetic fields; Magnetic force microscopy; Magnetic separation; Magnetostatics; Perpendicular magnetic anisotropy; Physics; Scanning electron microscopy;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2003.815586
