The x-ray diffraction pattern of the at room temperature. The open circles represent the observed patterns; continuous lines represent calculated and difference (obs-cal) patterns. The tick marks correspond to the position of the allowed Bragg reflections.
The applied field dependence of the magnetization curve per unit molecule for at and room temperature.
The Mössbauer spectra for at various temperatures.
The temperature dependence of the magnetic hyperfine fields (a) and the quadrupole splitting and isomer shift (b) for the .
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