Magnetization of at 5 K.
Neutron diffraction pattern of at 4 K. The Bragg markers (from top to bottom) are , , and (nuclear and magnetic). Solid line below markers shows residuals.
Bottom: Mössbauer spectrum of at 10 K. The dashed lines indicate the two sharp sextets associated with (see the text). Middle: Temperature dependence of the hyperfine fields for the sharp (▵ and ◻) components due to and Gaussian-broadened (◇) component attributed to . Top: Temperature variation of the (010) magnetic peak intensity seen at in Fig. 2
Refined structural and magnetic parameters for at 4 K.
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