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Figure 8
Temperature-dependencies of (a) the relative difference in the goodness-of-fit factor obtained for Rietveld refinements under cubic [Pm\bar3m] and tetragonal I4/mmm symmetries, [(\chi\,_{\rm{cubic}}^2-\chi\,_{\rm{tetrag}}^2)/\chi\,_{\rm{tetrag}}^2] for Ba2FeReO6, (b) tetragonal distortion, a-c/21/2 (solid circles), and (c) linewidth of the (004) Bragg peak above 200 K. All measurements were taken on warming. The dashed vertical line indicates the ferrimagnetic ordering temperature for Ba2FeReO6 (Prellier et al. (2000BB25), while the dotted curve in (b) is a guide to the eyes.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 13| Part 1| December 2006| Pages 46-53
doi:10.1107/S0909049505039208
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