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Temperature dependence of magnetization in a weak magnetic field perpendicular to the film plane [(a) and (b)] and magnetic field dependence of the magnetization at [(c) and (d)].
Magnetization hysteresis curves in a moderate field after ZFC to and after a measurement of a loop at .
Comparison of Kerr rotation and magnetization loops [(a) and (c)] and Kerr ellipticity and ZFC magnetization loops [(b) and (d)] at . Error bars of at photon energy represent the systematic error corresponding to a residual linear component, which originates in the uncertainty of the subtracted window Faraday rotation. Error bars are omitted for at since the residual linear component has the same magnitude as at . The systematic error of is negligible in comparison to the noise present in the data.
The difference between magnetization loops measured after and before field exposure.
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