Abstract
We have recently found that U 0.9Th 0.1Be 13 displays a non-Fermi liquid ground state which is consistent with predictions of the quadrupolar Kondo effect (QKE). We report the evolution of transport, calorimetric and magnetic properties of U x Th 1− x Be 13 (0.64 ≤ x ≤ 1) solid solutions. The magnetoresistance of U 0.9Th 0.1Be 13 is compared with those of UBe 13 and U 0.64Th 0.36Be 13. We present the first experimental study of the Hall effect in the heavy fermion compound with a non-Fermi liquid ground state, with a drastic reduction of the small field Hall resistivity in the QKE state. The field dependence is opposite to those found previously for Kondo lattices.
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