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Anomalous ground state in U0.9Th0.1Be13

Authors
Journal
Physica B Condensed Matter
0921-4526
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/0921-4526(94)00488-h
Keywords
  • Chapter 2. Metallic Systems
  • Mainly Heavy Fermions 2.5. Uranium Compound
Disciplines
  • Physics

Abstract

Abstract By studying the transformation of transport, calorimetric and magnetic properties of U x Th 1− x Be 13 (0.64 ⩽ x ⩽ 1) solid solutions, we have found that U 0.9Th 0.1Be 13 displays a non-Fermi liquid ground state which corresponds to the two channel Kondo effect (TCKE). For the first time, together with the anomalous temperature dependences of the thermodynamic properties, we have observed that the resistivity changes as the square root of temperature, as had been predicted theoretically for TCKE.

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