Evolution of calorimetric, magnetic and transport properties of UxTh1−xBe13 (0.64 ≤ x ≤ 1) solid solutions

✍ Scribed by F.G Aliev; H El Mfarrej; S Vieira; R Villar

• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 221 KB
• Volume: 223-224
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/0921-4526(96)00149-4

✦ Synopsis

We have recently found that Uo.9Tho.lBel3 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~Thl xBe13 (0.64 ___ x < 1) solid solutions. The magnetoresistance of Uo.9Tho.lBe13 is compared with those of UBei3 and Uo.64Tho.36Bei3. 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.