Incommensurate quantum magnet based on 4f-electron in a zigzag spin-1/2 chain of YbCuS${}_2$

T. Onimaru, Y. Ohmagari, S. Mizutani +8

We performed high-resolution powder neutron diffraction experiments and discovered an elliptic helical incommensurate magnetic structure in the semiconducting rare-earth magnet YbC…