| Direct Evidence for Two-Band Superconductivity in Single Crystals <?format ?>from Directional Point-Contact Spectroscopy in Magnetic Fields RS Gonnelli, D Daghero, GA Ummarino, VA Stepanov, J Jun, ... Physical review letters 89 (24), 247004, 2002 | 321 | 2002 |
| Al substitution in crystals: Influence on superconducting and structural properties J Karpinski, ND Zhigadlo, G Schuck, SM Kazakov, B Batlogg, K Rogacki, ... Physical Review B—Condensed Matter and Materials Physics 71 (17), 174506, 2005 | 142 | 2005 |
| Directional point-contact Andreev-reflection spectroscopy of Fe-based superconductors: Fermi surface topology, gap symmetry, and electron–boson interaction D Daghero, M Tortello, GA Ummarino, RS Gonnelli Reports on Progress in Physics 74 (12), 124509, 2011 | 132 | 2011 |
| Two-band Eliashberg equations and the experimental Tc of the diboride Mg1− xAlxB2 GA Ummarino, RS Gonnelli, S Massidda, A Bianconi Physica C: Superconductivity 407 (3-4), 121-127, 2004 | 103 | 2004 |
| Independent determination of the two gaps by directional point-contact spectroscopy in MgB2 single crystals RS Gonnelli, D Daghero, GA Ummarino, VA Stepanov, J Jun, ... Superconductor Science and Technology 16 (2), 171, 2002 | 101 | 2002 |
| Multigap Superconductivity and Strong Electron-Boson Coupling in Fe-Based Superconductors: A Point-Contact Andreev-Reflection Study of Single … M Tortello, D Daghero, GA Ummarino, VA Stepanov, J Jiang, JD Weiss, ... Physical review letters 105 (23), 237002, 2010 | 99 | 2010 |
| Large conductance modulation of gold thin films by huge charge injection via electrochemical gating D Daghero, F Paolucci, A Sola, M Tortello, GA Ummarino, M Agosto, ... Physical review letters 108 (6), 066807, 2012 | 87 | 2012 |
| Josephson Effect in Break Junctions RS Gonnelli, A Calzolari, D Daghero, GA Ummarino, VA Stepanov, ... Physical Review Letters 87 (9), 097001, 2001 | 84 | 2001 |
| Evidence for single-gap superconductivity in Mg (B 1− x C x) 2 single crystals with x= 0.132 from point-contact spectroscopy RS Gonnelli, D Daghero, A Calzolari, GA Ummarino, V Dellarocca, ... Physical Review B—Condensed Matter and Materials Physics 71 (6), 060503, 2005 | 81 | 2005 |
| Three-band Eliashberg theory and the superconducting gaps of iron pnictides GA Ummarino, M Tortello, D Daghero, RS Gonnelli Physical Review B—Condensed Matter and Materials Physics 80 (17), 172503, 2009 | 80 | 2009 |
| Coexistence of two order parameters and a pseudogaplike feature in the iron-based superconductor RS Gonnelli, D Daghero, M Tortello, GA Ummarino, VA Stepanov, JS Kim, ... Physical Review B—Condensed Matter and Materials Physics 79 (18), 184526, 2009 | 80 | 2009 |
| Point-contact Andreev-reflection spectroscopy in ReFeAsO1− xFx (Re= La, Sm): Possible evidence for two nodeless gaps RS Gonnelli, D Daghero, M Tortello, GA Ummarino, VA Stepanov, ... Physica C: Superconductivity 469 (9-12), 512-520, 2009 | 68 | 2009 |
| Determination of the tunneling electron-phonon spectral function in high-tC superconductors with energy dependence of the normal density of states RS Gonnelli, GA Ummarino, VA Stepanov Physica C: Superconductivity 275 (1-2), 162-171, 1997 | 66 | 1997 |
| Evidence for Gap Anisotropy in from Directional Point-Contact Spectroscopy RS Gonnelli, D Daghero, D Delaude, M Tortello, GA Ummarino, ... Physical review letters 100 (20), 207004, 2008 | 64 | 2008 |
| Strong-coupling d-wave superconductivity in PuCoGa5 probed by point-contact spectroscopy D Daghero, M Tortello, GA Ummarino, JC Griveau, E Colineau, R Eloirdi, ... Nature communications 3 (1), 786, 2012 | 62 | 2012 |
| Extraction of the electron-phonon interaction from tunneling data in the multigap superconductor OV Dolgov, RS Gonnelli, GA Ummarino, AA Golubov, SV Shulga, J Kortus Physical Review B 68 (13), 132503, 2003 | 59 | 2003 |
| Possible mechanism of superconductivity in probed by self-irradiation damage F Jutier, GA Ummarino, JC Griveau, F Wastin, E Colineau, J Rebizant, ... Physical Review B—Condensed Matter and Materials Physics 77 (2), 024521, 2008 | 54 | 2008 |
| Andreev-reflection spectroscopy in ZrB12 single crystals D Daghero, RS Gonnelli, GA Ummarino, A Calzolari, V Dellarocca, ... Superconductor Science and Technology 17 (5), S250, 2004 | 53 | 2004 |
| Disorder-Driven Transition from to Superconducting Order Parameter in Proton Irradiated Single Crystals G Ghigo, D Torsello, GA Ummarino, L Gozzelino, MA Tanatar, R Prozorov, ... Physical Review Letters 121 (10), 107001, 2018 | 48 | 2018 |
| Multiband Eliashberg theory and temperature-dependent spin-resonance energy in iron pnictide superconductors GA Ummarino Physical Review B—Condensed Matter and Materials Physics 83 (9), 092508, 2011 | 48 | 2011 |
