Does the "Tripel-q" Magnetic Structure Exist in Neodymium?

Through neutron polarization-analysis experiments at 9.9 K, we have determined that certain satellites in the neutron diffraction pattern of Nd are not caused by a lattice distortion, but rather by a modulated moment component in the basal plane and perpendicular to ${\overrightarrow{\mathrm{b}}}_1$. The magnetic structure is thus even more complicated than hitherto proposed, and there is now no direct experimental evidence to support the "triple-$\overrightarrow{\mathrm{q}}$" model.