Magnetic properties in RRhIn5 (R=rare earth)

Abstract We succeeded in growing single crystals of RRhIn 5 (R: rare earth) and measured the magnetic susceptibility and magnetization. The lattice constants of RRhIn 5 with the tetragonal structure are well understood from a viewpoint of the lanthanide contraction, except YbRhIn 5 with the divalent Yb ion. Most of RRhIn 5 compounds order antiferromagnetically. NdRhIn 5 indicates two metamagnetic transitions at H m 1 = 7.2 and H m 2 = 9.6 T below T N for the magnetic field along the [0 0 1] direction. The saturation moment of 2.5 μ B / Nd is in good agreement with a staggered Nd moment determined by the neutron scattering experiment. The similar metamagnetic transitions were observed in TbRhIn 5 , DyRhIn 5 and HoRhIn 5 .