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Crystal-field effects in the mixed-valence compoundsYb2M3Ga9(M=Rh,Ir)

2005/02/23 by N. O. Moreno, Alejandro M. Lobos, A. Lobos +11
Chemistry · Materials Science · Physics and Astronomy · #Inorganic Chemistry and Materials #Magnetic Properties of Alloys #Rare-earth and actinide compounds #cond-mat.str-el

paper · pdf · doi:10.1103/physrevb.71.165107

Accepted to Phys. Rev. B

arxiv created 2005/02/23 · openalex publication_date 2005/04/12 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Magnetic susceptibility, heat capacity, and electrical resistivity measurements have been carried out on single crystals of the intermediate valence compounds Yb2Rh3Ga9 and Yb2Ir3Ga9. These measurements reveal a large anisotropy due apparently to an interplay between crystalline electric field (CEF) and Kondo effects. The temperature dependence of magnetic susceptibility can be modelled using the Anderson impurity model including CEF within an approach based on the non-crossing approximation.

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