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Comparison of laboratory (black, λ = 1.5406 Å) and high-resolution synchrotron (blue, λ = 0.458977 Å) X-ray powder diffraction data taken at 11-BM at the Advanced Photon Source. Colored lines and shapes indicate the (0 2n 0) reflections used to identify members of the homologous series Pr3Co2+xGe7–ySny (blue triangle), Pr4Co3+xGe10–ySny (yellow diamond), and Pr5Co4+xGe13–ySny (red pentagon).
