Deviation from Curie-Weiss law in magnetic susceptibility

  • #1
Hi, I have some problems with interpretation of my dates of magnetic susceptibility measured on heavy compound Ce2RhIn8 doped by Pd on Rh site. The curves measured along c-direction follow the Curie-Weiss law only in the high temperature region (~200-300 K) and then deviate from it. The curves are strongly convex. I know that the opposite case, a concave curve, can be explained by intermediate valence, but I am not sure how to explain this behavior - by CEF, Kondo...? Just to be accurate, the reciprocal susceptibility along a-direction follows CW law to ~15 K.
 

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