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Spin and Valence-Fluctuation Mediated Superconductivity in Pressurized Fe and CeCu2(Si/Ge)2
D. Jaccard, Alexander T. Holmes
We review the evidence supporting valence-fluctuation mediated superconductivity in CeCu2Si2 and CeCu2Ge2, where Tc reaches 2.4 K at high pressure. In these systems the valence and…
High-pressure transport properties of CeRu_2Ge_2
H. Wilhelm, D. Jaccard, V. Zlatic +3
The pressure-induced changes in the temperature-dependent thermopower S(T) and electrical resistivity ρ(T) of CeRu_2Ge_2 are described within the single-site Anderson model. The Ce…
On the thermoelectricity of correlated electrons in the zero-temperature limit
Kamran Behnia, Didier Jaccard, Jacques Flouquet
The Seebeck coefficient of a metal is expected to display a linear temperature-dependence in the zero-temperature limit. To attain this regime, it is often necessary to cool the sy…
Probing the phase diagram of CeRu_2Ge_2 by thermopower at high pressure
H. Wilhelm, D. Jaccard
The temperature dependence of the thermoelectric power, S(T), and the electrical resistivity of the magnetically ordered CeRu_2Ge_2 (T_N=8.55 K and T_C=7.40 K) were measured for pr…