Moment directions in the antiferromagnetic 4-q phase of neodymium

Abstract Neutron elastic scattering has been used to investigate the magnetic structure of neodymium in the 4- q state below 6K. The magnitudes and directions of the moments associated with each of the four wavevectors present in this phase have been determined, and the results compared to those obtained for the 3- q phase between 6 and 8K.