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X-ray diffraction patterns of -type bulk single crystal with the scattering vector parallel to (a) the axis and (b) the axis.
Magnetization curves at for -type bulk single crystal in the single-variant state. The solid and dashed curves represent the values measured along the and axes, respectively.
Temperature dependence of the second- and fourth-order magnetocrystalline anisotropy constants and , together with , and the saturation magnetizations for -type bulk single crystal in the single-variant state. The solid line denotes the extrapolation by the Brillouin function within the molecular field approximation for the momentum quantum number , and the Curie temperature .
The relation between the magnetocrystalline anisotropy constant and the saturation magnetization normalizes to the values at . The solid circles represent the observed values of single crystal in the single-variant state, and three solid lines correspond to , and 4 [in Eq. (3)].
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