Title :
Magnetic anisotropy in FeSiB amorphous glass-covered wires
Author :
Chiriac, Horia ; Óvári, Tibor-Adrian ; Marinescu, Sandrino-Cãtãlin ; Nagacevschi, Valentin
Author_Institution :
Inst. of Tech. Phys., Iasi, Romania
fDate :
9/1/1996 12:00:00 AM
Abstract :
Results on the helical magnetic anisotropy in positive magnetostrictive amorphous glass-covered magnetic wires are presented. Measurements of the circumferential magnetization component in Fe77.5Si7.5B15 amorphous glass-covered wires show the existence of a non diagonal anisotropy component that determines an inclination of the easy axis of magnetization in the inner region of as-cast wires. Applied torque leads to an increase of the azimuthal magnetization and contributes to the increase of the easy axis inclination, determining an increase of the switching field at which the axial magnetization reversal occurs in these wires. The torsion sensitivity of wires after glass removal is higher than that of glass-covered wires
Keywords :
amorphous magnetic materials; boron alloys; ferromagnetic materials; iron alloys; magnetic anisotropy; magnetic switching; magnetisation reversal; silicon alloys; Fe77.5Si7.5B15; FeSiB amorphous glass-covered wires; applied torque; axial magnetization reversal; azimuthal magnetization; circumferential magnetization component; easy axis inclination; helical magnetic anisotropy; magnetic wires; nondiagonal anisotropy component; switching field; torsion sensitivity; Amorphous magnetic materials; Amorphous materials; Anisotropic magnetoresistance; Iron; Magnetic anisotropy; Magnetization; Magnetostriction; Perpendicular magnetic anisotropy; Torque; Wires;
Journal_Title :
Magnetics, IEEE Transactions on
