Kondo effect on electrical properties of TmIn 3

Abstract

We presented results of electrical resistivity, magnetoresistivity and Seebek effect measurements done in the paramagnetic state of an antiferromagnetically ordering intermetallic compound TmIn 3. It was found that the magnetic part of the electrical resistivity showed maximum at 18 K and the lg T dependence in temperature range 20< T<100 K. The magnetoresistivity was negative. The transversal magnetoresistivity fulfilled the single-ion Kondo scaling for temperatures 2<( T+0.5 K)<28 K. Thermoelectricpower displayed a sharp minimum at 10 K. Electrical properties indicated that TmIn 3 is likely a dense Kondo system.