Investigation of the rayleigh region and of the coercive field of Fe80-xNixB20-y - alloys

Abstract The temperature dependence of the initial susceptibility, the coercive field and the Rayleigh constant of amorphous Fe 80- x Ni x B 20- y P y - alloys are discussed within the framework of the statistical potential theory for the displacement of domain-walls (dws). The temperature dependence of H c may be attributed to the magnetostrictive interaction between dws and quasi-dislocation dipoles.