Abstract
We investigated the perpendicular magnetic anisotropy and the Hall resistivity of CoSiB/Pd multilayers. The CoSiB/Pd multilayers consisted of CoSiB (7-A thickness) and Pd (Pd thickness tPd = 10, 12, 14, 16, 18, and 20 A), and a CoSiB/Pd bilayer was stacked five times. The coercivity shows oscillating values between tPd = 12 A and tPd = 20 A. The value of the saturation magnetization increased between tPd = 10 A and tPd = 12 A and then decreased after tPd = 12 A. The perpendicular magnetic anisotropy constant depended on the thickness of Pd-layer and the values repeatedly increased and decreased. All CoSiB/Pd multilayers exhibited a positive Hall effect, and the Hall resistivity was not proportional to the magnetic moment.
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