Spring Magnetization Process of Hard-Magnetic/Soft-Magnetic Bilayers.

Magnetization reversal and exchange bias effects in hard/soft ferromagnetic bilayers with orthogonal anisotropies

The magnetization reversal processes are discussed for exchangecoupled ferromagnetic hard/soft bilayers made from Co0.66Cr0.22Pt0.12 (10 and 20 nm)/Ni (from 0 to 40 nm) films with out-of-plane and in-plane magnetic easy axes respectively, based on room temperature hysteresis loops and first-order reversal curve analysis. On increasing the Ni layer thicknesses, the easy axis of the bilayer reori...

Angular dependence of magnetization reversal process in exchange biased epitaxial MnPd/Fe bilayers

We investigated the angular dependence of magnetization reversal in epitaxial MnPd/Fe bilayers grown on MgO 001 using combined longitudinal and transverse magneto-optical Kerr effect. Square loops, asymmetrically shaped loops, and double-shifted loops were observed as the field orientation was varied from parallel to perpendicular to the bias direction. Additionally, including the effect of an ...

Influence of the dipolar interactions in the magnetization reversal asymmetry of hard–soft magnetic ribbons

Partial crystallization of the metallic glass Co66Si16B12Fe4Mo2 was performed by annealing at temperatures between 500 and 540 °C for 10–20 min, resulting in crystallite volume fractions of s0.7–5d310−3 and sizes of 50–100 nm. This two-phase alloy presents a remarkable feature: a hysteresis loop shift that can be tailored by simply premagnetizing the sample in the adequate magnetic field. Shift...

Mechanism of chirality reversal for planar interface domain walls in exchange-coupled hard/soft magnetic bilayers

Magnetic Moment and Magnetization

Magnetismhas engaged explorers and scientists for over two millennia. The ancient Greeks and Turks noted the attraction between magnetite (lodestone) and iron (Cullity and Graham, 1978). Explorers used lodestone’s magnetization to construct compass needles used to point to the direction of the earth’s magnetic North Pole. This singularly important device aided in navigation and the exploration ...