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Valence fluctuation mediated superconductivity in CeCu2Si2
Alexander T. Holmes, Didier Jaccard
It has been proposed that there are two types of superconductivity in CeCu2Si2, mediated by spin fluctuations at ambient pressure, and by critical valence fluctuations around a cha…
Probing the extended non-Fermi liquid regimes of MnSi and Fe
P. Pedrazzini, D. Jaccard, G. Lapertot +4
Recent studies show that the non-Fermi liquid (NFL) behavior of MnSi and Fe spans over an unexpectedly broad pressure range, between the critical pressure p_c and around 2p_c. In o…
Epitaxial growth and transport properties of Nb-doped SrTiO thin films
K. S. Takahashi, D. Jaccard, K. Shibuya +3
Nb-doped SrTiO epitaxial thin films have been prepared on (001) SrTiO substrates using pulsed laser deposition. A high substrate temperature () was fo…
Anisotropy, disorder, and superconductivity in CeCu2Si2 under high pressure
A. T. Holmes, D. Jaccard, H. S. Jeevan +2
Resistivity measurements were carried out up to 8 GPa on single crystal and polycrystalline samples of CeCu2Si2 from differing sources in the homogeneity range. The anisotropic res…
Evolution of the specific-heat anomaly of the high-temperature superconductor YBa2Cu3O7 under influence of doping through application of pressure up to 10 GPa
Rolf Lortz, Alain Junod, Didier Jaccard +4
The evolution of the specific-heat anomaly in the overdoped range of a single crystal of the high-temperature superconductor YBa2Cu3O7 has been studied under influence of pressure…