Criticality in a disordered quantum antiferromagnet by neutron diffraction

E. Wulf, D. Huvonen, J. -W. Kim +5

Field-induced magnetic ordering in the structurally disordered quantum magnets Ni(Cl${}_{1-x}$Br${}_x$)${}_2$$\cdot$4SC(NH${}_2$)${}_2$, $x=8$% and 13%, is studied by means of neutron diffra…