Field-induced commensurate long-range order in the Haldane-gap system NDMAZ

A. Zheludev, Z. Honda, K. katsumata +2

High-field neutron diffraction studies of the new quantum-disordered S=1 linear-chain antiferromagnet Ni(C${}_5$H${}_{14}$N${}_2$)${}_2$N${}_3$(ClO${}_4$) (NDMAZ) are reported. At T=70 mK, at…