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Figure 2 Rietveld refinement for Y0.76Ho0.24FeGe2O7 X-ray diffraction data. Observed (crosses), calculated (solid line) and difference (bottom trace) plots are represented; vertical marks correspond to the allowed Bragg reflections for Y0.76Ho0.24FeGe2O7 (top) and Y2Ge2O7 (bottom). |