| Popis: |
The heavy fermion compounds CeCu 2 Si 2 , CeRh 2 Si 2 and CePd 2 Si 2 have been intensively investigated due to the non-conventional relation between superconductivity and magnetism. We have studied these compounds as constituents of a ternary system, where the Ce(Rh x Cu 1-x ) 2 Si 2 , Ce(Pd y Rh 1-y ) 2 Si 2 and Ce(Cu z Pd 1-z ) 2 Si 2 alloys span the sides of a triangle with the respective stoichometric compounds at each vertex. In this article we discuss the evolution of the ground state throughout this ternary system, and we analyse (by means of the electrical resistivity) the influence of doping-induced disorder on the Kondo and magnetic ordering temperatures. |
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