Figure 1.

Magnetic structure of NTE Mn₃Ge, determined via neutron powder diffraction. The space group is P6₃/mmc. The observed (red circles), calculated (black line), and differential (gray line at bottom of figure) patterns are shown for the full-profile refinement of Mn₃Ge at $T=150\text{ K}$. The vertical ticks mark the calculated positions of nuclear and magnetic reflections. The inset shows the magnetic and crystal structures of Mn₃Ge.