2 papers
cond-mat.supr-con2004
A Point-Contact Study of the Superconducting Gaps in Al-Substituted and C-Substituted MgB_2 Single Crystals
R. S. Gonnelli, D. Daghero, G. A. Ummarino +6
We present the results of directional point-contact spectroscopy in state-of-the-art Mg_{1-x}Al_xB_2 and Mg(B_{1-y}C_{y})_2 single crystals produced at ETH, Zurich. Fitting the con…
cond-mat.supr-con2003
Point-contact study of gap amplitude and symmetry in RuSr_2GdCu_2O_8
G. A. Ummarino, A. Calzolari, D. Daghero +4
We present the results of point-contact spectroscopy measurements in polycrystalline RuSr_2GdCu_2O_8 samples previously characterized from both the structural and the electrical po…