Abstract
The temperature dependent magnetic susceptibility, specific heat, and electrical resistivity were measured on PrInA. A broad peak, which is identified as a Kondo anomaly, is observed in the specific heat at with a strongly enhanced linear contribution at lower temperatures. PrInA is a Pr-based heavy-fermion compound and has one of the largest known Sommerfeld coefficients of . A new type of nonmagnetic interaction between the conduction electrons and the non-Kramers doublet ground state of the ion may be responsible for this behavior. Related features are also observed in the susceptibility and resistivity.
- Received 12 July 1996
DOI:https://doi.org/10.1103/PhysRevLett.77.3637
©1996 American Physical Society