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XRD spectra of FePt, FePt–Ag, and FePt–MgO films.
Typical polar Kerr loops of (a) FePt–MgO, (b) FePt, and (c) FePt–Ag films at the static state, and , 100, and 600 ps. refers to the saturation Kerr rotation at the static state.
(a) and (b) vs for FePt–MgO, FePt, and FePt–Ag films. The inset shows vs for the FePt continuous film. Here, , , and . , , and refer to the coercivity, the saturation field, and the saturation Kerr rotation at the static state, respectively.
vs for (a) FePt, FePt–MgO, and FePt–Ag films, and (b) FePt continuous films with different film thicknesses. Here is the reflectivity at the static state and .
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