Structural and magnetic properties of Mn3−xCdxTeO6 (x=0, 1, 1.5 and 2)

► Mn3TeO6 has a corundum related structure and orders magnetically below 23 K. ► The antiferromagnetic transition temperature decreases with increasing Cd doping. ► Magnetic frustration is associated with Cd doping. ►Mn1.5114Cd1.5TeO6, was studied using neutron powder diffraction. ► Mn1.5114Cd1.5TeO6 displays an incommensurate helical magnetic structure.