UC Irvine

We report the low temperature magnetic properties of Cd-doped single crystals of Ce2RhIn8 grown from In-flux. Measurements of temperature-dependent magnetic susceptibility, heat capacity, electrical resistivity and X-ray magnetic scattering revealed that Cd-doping enhances the antiferromagnetic ordering temperature from TN = 2.8 to 4.8 K for crystals with nominal Cd-concentration of ~ 20 %. Similarly to the pure compound, Cd-doped Ce2RhIn8 presents just below TN a commensurate antiferromagnetic structure with a propagation vector over(η, ⇒) = (frac(1, 2), frac(1, 2), 0). Comparisons between our results and the general effects of Cd-doping on the single layer related family CeMIn5 (M = Co, Rh and Ir) will also be given. © 2009 Elsevier B.V. All rights reserved.