Title :
Effect of heat treatment on impedance behavior in nearly-zero magnetostriction (Co0.95Fe0.05)72.5Si 12.5B15 amorphous wire
Author :
Blanco, J.M. ; Zhukov, A. ; Cobeño, A.F. ; Chen, A.P. ; Gonazalez, J.
Author_Institution :
Dept. de Fisica Aplicada, Pais Vasco Univ., San Sebastian, Spain
fDate :
9/1/2000 12:00:00 AM
Abstract :
Effect of current annealing without and under torsion stresses on driving current amplitude dependence of an electrical impedance has been studied in nearly-zero magnetostrictive (Co0.95Fe0.05 )72.5Si12.5B15 amorphous wires. Application of the torsion during measurements or induction of the helical induced anisotropy by the current annealing under torsion results in drastic decrease or even disappearance of such dependence. Observed dependencies have been interpreted in terms of effect of helical induced anisotropy on magnetic permeability tensor
Keywords :
amorphous magnetic materials; boron alloys; cobalt alloys; giant magnetoresistance; heat treatment; iron alloys; magnetostriction; silicon alloys; (Co0.95Fe0.05)72.5Si12.5 B15 amorphous wire; CoFeSiB; current annealing; current annealing under torsion; driving current amplitude dependence; electrical impedance; heat treatment; helical induced anisotropy; impedance behavior; magnetic permeability tensor; nearly-zero magnetostriction; torsion stresses; Amorphous magnetic materials; Anisotropic magnetoresistance; Annealing; Heat treatment; Impedance; Iron; Magnetic anisotropy; Magnetostriction; Perpendicular magnetic anisotropy; Stress;
Journal_Title :
Magnetics, IEEE Transactions on
