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(a) Magnetic hysteresis loop measured by p-MOKE with Ti-buffer layer thickness, d Ti = 1.5 ∼ 9 nm. (b) Coercivity field H c as a function of d Ti, which is measured by p-MOKE. (c) Uniaxial magnetic anisotropy K u as a function of d Ti.
(a) Schematic of experimental setup. (b) Time-resolved Kerr signals are measured with [Co/Ni]6 multilayer films of d Ti = 1.5 ∼ 9 nm at H = 5.3 kOe. The signals are shown in open symbols, and their fitted curves are shown in solid curves.
Experimental data (solid symbols) and fitting curves (solid curves) of (a) the resonance frequency f and (b) the inverse of the relaxation time τ −1 as a function of the external magnetic field H.
(a) The α dependence on the Ti-buffer layer thickness and (b) the uniaxial magnetic anisotropy K u at H = 5.3 kOe. The solid line is a linear fit.
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