Title :
Hysteresis in random collections of isotropic interacting particles
Author :
Fredkin, D.R. ; Chen, W. ; Koehler, T.R.
Author_Institution :
Dept. of Phys., California Univ., San Diego, La Jolla, CA, USA
fDate :
9/1/1992 12:00:00 AM
Abstract :
Numerical computation suggests that monolayers of isotropic single-domain particles exhibit significant hysteresis with approximately universal characteristics. In contrast, three-dimensional systems do not show significant hysteresis. Possible reasons for these results are discussed
Keywords :
ferromagnetism; magnetic hysteresis; magnetic properties of fine particles; monolayers; ferromagnetic spheres; isotropic interacting particles; magnetic hysteresis; monolayers; random collections; single-domain particles; three-dimensional systems; Coercive force; Containers; Geometry; Magnetic anisotropy; Magnetic fields; Magnetic hysteresis; Magnetostatics; Perpendicular magnetic anisotropy; Remanence; Saturation magnetization;
Journal_Title :
Magnetics, IEEE Transactions on