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 MgB2Publications
Works published during the Ph.D. View all publications in Porto@Iris
- Gonnelli, Renato; Daghero, Dario; Ummarino, Giovanni; Calzolari, Andrea; Dellarocca, ... (2006)
A point-contact study of the superconducting gaps in Al-substituted and C-substituted MgB2 single crystals. In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 67, pp. 360-364. ISSN 0022-3697
Contributo su Rivista - Calzolari, Andrea; Daghero, Dario; Gonnelli, Renato; Tortello, Mauro; Ummarino, ... (2006)
The effect of magnetic impurities on the two-band superconducivity: A point-contact study of Mn-doped MgB2. In: SATT13, 13° Congresso Nazionale di Superconduttività, Convento dell' Annunziata Sestri Levante (GENOVA), March 29-31, 2006
Contributo in Atti di Convegno (Proceeding) - Daghero, Dario; Gonnelli, Renato; Ummarino, Giovanni; Calzolari, Andrea; Dellarocca, ... (2006)
Effect of the magnetic field on the gaps of MgB2: A directional point-contact study. In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 67, pp. 424-427. ISSN 0022-3697
Contributo su Rivista - 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 - Daghero, Dario; Gonnelli, Renato; Calzolari, Andrea; Ummarino, Giovanni; Tortello, ... (2006)
Point-Contact spectroscopy in doped and irradiated MgB2. In: CIMTEC 2006, ACIREALE, 2006, pp. 75-81
Contributo in Atti di Convegno (Proceeding) - Daghero, Dario; Calzolari, Andrea; Ummarino, Giovanni; Tortello, Mauro; Gonnelli, ... (2006)
Point-contact spectroscopy in neutron-irradiated Mg11B2. In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 74, pp. 174519-1-174519-11. ISSN 1098-0121
Contributo su Rivista - Calzolari, Andrea; Daghero, Dario; Gonnelli, Renato; Ummarino, Giovanni; Stepanov, V. ... (2006)
Andreev-reflection measurements in RuSr2GdCu2O8. In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 67, pp. 597-600. ISSN 0022-3697
Contributo su Rivista - Daghero, Dario; Gonnelli, Renato; Calzolari, Andrea; Ummarino, Giovanni; Dellarocca, ... (2005)
The superconducting gaps of C-substituted and Al-substituted MgB2 single crystals by point-contact spectroscopy. In: PHYSICA STATUS SOLIDI C, vol. 2, pp. 1656-1661. ISSN 1610-1634
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 - Gonnelli, Renato; Daghero, Dario; Ummarino, Giovanni; Calzolari, Andrea; Tortello, ... (2005)
Evidence for one-gap superconductivity in Mg(B1−xCx)2 single crystals at x=0.132 by point-contact spectroscopy. In: JOURNAL OF SUPERCONDUCTIVITY, vol. 18, pp. 681-685. ISSN 0896-1107
Contributo su Rivista - Gonnelli, Renato; Daghero, Dario; Calzolari, Andrea; Ummarino, Giovanni; Dellarocca, ... (2004)
Point-contact spectroscopy in MgB2: from fundamental physics to thin-film characterization. In: SUPERCONDUCTOR SCIENCE & TECHNOLOGY, vol. 17, pp. S93-S100. ISSN 0953-2048
Contributo su Rivista - Daghero, Dario; Gonnelli, Renato; Ummarino, Giovanni; Calzolari, Andrea; Dellarocca, ... (2004)
Andreev-reflection spectroscopy of the gap in ZrB12 single crystals. In: SUPERCONDUCTOR SCIENCE & TECHNOLOGY, vol. 17, pp. S250-S254. ISSN 0953-2048
Contributo su Rivista - Gonnelli, Renato; Daghero, Dario; Calzolari, Andrea; Ummarino, Giovanni; Dellarocca, ... (2004)
Magnetic-field dependence of the gaps in a two-band superconductor: a point-contact study of MgB2 single crystals. In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 69, pp. 100504-1-100504-4. ISSN 1098-0121
Contributo su Rivista - Ummarino, Giovanni; Calzolari, Andrea; Daghero, Dario; Gonnelli, Renato; Stepanov, V. ... (2004)
Point-contact study of gap amplitude and symmetry in RuSr2GdCu2O8. In: 6th European Conference on Applied Superconductivity, Sorrento, 14 -18 settembre 2003, pp. 1146-1153. ISSN 0951-3248. ISBN: 0750309814
Contributo in Atti di Convegno (Proceeding) - Gonnelli, Renato; Daghero, Dario; Calzolari, Andrea; Ummarino, Giovanni; Dellarocca, ... (2004)
Directional point-contact spectroscopy of MgB2 single crystals in magnetic fields: two-band superconductivity and critical fields.. In: PHYSICA. C, SUPERCONDUCTIVITY, vol. 408-410, pp. 796-797. ISSN 0921-4534
Contributo su Rivista - Gonnelli, Renato; Daghero, Dario; Calzolari, Andrea; Ummarino, Giovanni; Dellarocca, ... (2004)
Point-contact spectroscopy in MgB2: From fundamental physics to thin-film characterization.. In: 6th European Conference on Applied Superconductivity, Sorrento, Italy, 14-18 Settembre, pp. 157-164. ISSN 0951-3248. ISBN: 0750309814
Contributo in Atti di Convegno (Proceeding) - Gonnelli, Renato; Calzolari, Andrea; Daghero, Dario; Natale, Luca; Ummarino, Giovanni; ... (2002)
Doping dependence of the superconducting gap by Andreev reflection in Au/La2-xSrxCuO4 point-contact junctions.. In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 63, pp. 2369-2373. ISSN 0022-3697
Contributo su Rivista - Gonnelli, Renato; Ummarino, Giovanni; Daghero, Dario; Calzolari, Andrea; Stepanov, V. A. (2002)
Gap measurements in MgB2 break-junction and point-contact heterostructures: test of the two-band models. In: INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol. 16, pp. 1553-1561. ISSN 0217-9792
Contributo su Rivista - Gonnelli, Renato; Calzolari, Andrea; Daghero, Dario; Ummarino, Giovanni; V. A., ... (2002)
Temperature and junction-type dependency of Andreev reflection in MgB2. In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 63, pp. 2319-2323. ISSN 0022-3697
Contributo su Rivista