Ph.D. in Fisica , 17th cycle (2002-2004) Ph.D. obtained in 2006 Dissertation: The effect of disorder and chemical substitutions in two-band superconductivity of MgB2 Publications Works published during the Ph.D. View all publications in Porto@Iris Gonnelli, Renato; Daghero, Dario; Ummarino, Giovanni; Calzolari, Andrea; Tortello, ... (2006)Effect of magnetic impurities in a two-band superconductor: A point-contact study of Mn-substituted MgB2 single crystals. In: PHYSICAL REVIEW LETTERS, vol. 97, pp. 037001-1-037001-4. ISSN 0031-9007 Contributo su Rivista Gonnelli, Renato; Daghero, Dario; Calzolari, Andrea; Ummarino, Giovanni; Dellarocca, ... (2005)Evidence for Single-gap Superconductivity in Mg(B1-xCx)2 Single Crystals with x=0.132 from Point-Contact Spectroscopy. In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 71, pp. 060503(R)-1-060503(R)-4. ISSN 1098-0121 Contributo su Rivista