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Low temperature magnetism of Cd-doped Ce2RhIn8heavy fermion antiferromagnet

  • Author(s): Adriano, C
  • Giles, C
  • Mendonça-Ferreira, L
  • de Bergevin, F
  • Mazzoli, C
  • Paolasini, L
  • Fisk, Z
  • Pagliuso, PG
  • et al.
Abstract

We report the low temperature magnetic properties of Cd-doped single crystals of Ce2RhIn8grown 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 Ce2RhIn8presents just below TNa 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.

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