Fabrizio Roccaforte, Patrick Fiorenza, Raffaella Lo Nigro, Filippo Giannazzo, Giuseppe Greco

Physics and technology of gallium nitride materials for power electronics

Riv. Nuovo Cim [], Volume: 41 Pages: 625-681

F Giannazzo, G Greco, E Schilirò, S Di Franco, I Deretzis, G Nicotra, A La Magna, F Roccaforte

Nanoscale electrical mapping of two-dimensional materials by conductive atomic force microscopy for transistors applications

AIP Conference Proceedings [AIP Publishing], Volume: 1990 Issue: 1 Pages: 020008

Giuseppe Greco, Ferdinando Iucolano, Fabrizio Roccaforte

Review of technology for normally-off HEMTs with p-GaN gate

Materials Science in Semiconductor Processing [Pergamon], Volume: 78 Pages: 96-106

Giuseppe Greco, Filippo Giannazzo, Patrick Fiorenza, Salvatore Di Franco, Alessandra Alberti, Ferdinando Iucolano, Ildiko Cora, Bela Pecz, Fabrizio Roccaforte

Barrier inhomogeneity of Ni Schottky contacts to bulk GaN

physica status solidi (a) [], Volume: 215 Issue: 9 Pages: 1700613

Monia Spera, Cristina Miccoli, Raffaella Lo Nigro, Corrado Bongiorno, Domenico Corso, Salvatore Di Franco, Ferdinando Iucolano, Fabrizio Roccaforte, Giuseppe Greco

Modification of the sheet resistance under Ti/Al/Ni/Au Ohmic contacts on AlGaN/GaN heterostructures

Materials Science in Semiconductor Processing [Pergamon], Volume: 78 Pages: 111-117

Filippo Giannazzo, Gabriele Fisichella, Giuseppe Greco, Emanuela Schilirò, Ioannis Deretzis, Raffaella Lo Nigro, Antonino La Magna, Fabrizio Roccaforte, Ferdinando Iucolano, Stella Lo Verso, Sebastiano Ravesi, Pawel Prystawko, Piotr Kruszewski, Mike Leszczyński, Roy Dagher, Eric Frayssinet, Adrien Michon, Yvon Cordier

Fabrication and characterization of graphene heterostructures with nitride semiconductors for high frequency vertical transistors

physica status solidi (a) [], Volume: 215 Issue: 10 Pages: 1700653

Patrick Fiorenza, Giuseppe Greco, Emanuela Schilirò, Ferdinando Iucolano, Raffaella Lo Nigro, Fabrizio Roccaforte

Determining oxide trapped charges in Al2O3 insulating films on recessed AlGaN/GaN heterostructures by gate capacitance transients measurements

Japanese Journal of Applied Physics [IOP Publishing], Volume: 57 Issue: 5 Pages: 050307

Monia Spera, Cristina Miccoli, Raffaella Lo Nigro, Corrado Bongiorno, Domenico Corso, Salvatore Di Franco, Ferdinando Iucolano, Fabrizio Roccaforte, Giuseppe Greco

Modification of the sheet resistance under Ti/Al/Ni/Au Ohmic contacts on AlGaN/GaN heterostructures

Materials Science in Semiconductor Processing [Pergamon],

Fabrizio Roccaforte, Patrick Fiorenza, Giuseppe Greco, Raffaella Lo Nigro, Filippo Giannazzo, Ferdinando Iucolano, Mario Saggio

Emerging trends in wide band gap semiconductors (SiC and GaN) technology for power devices

Microelectronic Engineering [Elsevier], Volume: 187 Pages: 66-77

M Vivona, G Greco, C Bongiorno, R Lo Nigro, S Scalese, F Roccaforte

Electrical and structural properties of surfaces and interfaces in Ti/Al/Ni Ohmic contacts to p-type implanted 4H-SiC

Applied Surface Science [North-Holland], Volume: 420 Pages: 331-335

Giuseppe Greco, Patrick Fiorenza, Ferdinando Iucolano, Andrea Severino, Filippo Giannazzo, Fabrizio Roccaforte

Conduction mechanisms at interface of AlN/SiN dielectric stacks with AlGaN/GaN heterostructures for normally-off high electron mobility transistors: correlating device behavior with nanoscale interfaces properties

ACS applied materials & interfaces [American Chemical Society], Volume: 9 Issue: 40 Pages: 35383-35390

G Greco, S Di Franco, F Iucolano, F Giannazzo, F Roccaforte

Temperature dependence of the I–V characteristics of Ni/Au Schottky contacts to AlGaN/GaN heterostructures grown on Si substrates

physica status solidi (a) [], Volume: 214 Issue: 9 Pages: 1600764

Filippo Giannazzo, Gabriele Fisichella, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte

Conductive Atomic Force Microscopy of Two-Dimensional Electron Systems: From AlGaN/GaN Heterostructures to Graphene and MoS2

Conductive Atomic Force Microscopy: Applications in Nanomaterials [John Wiley & Sons],

Patrick Fiorenza, Giuseppe Greco, Ferdinando Iucolano, Alfonso Patti, Fabrizio Roccaforte

Channel Mobility in GaN Hybrid MOS-HEMT Using SiO 2 as Gate Insulator

IEEE Transactions on Electron Devices [IEEE], Volume: 64 Issue: 7 Pages: 2893-2899

Filippo Giannazzo, Gabriele Fisichella, Giuseppe Greco, Salvatore Di Franco, Ioannis Deretzis, Antonino La Magna, Corrado Bongiorno, Giuseppe Nicotra, Corrado Spinella, Michelangelo Scopelliti, Bruno Pignataro, Simonpietro Agnello, Fabrizio Roccaforte

Ambipolar MoS2 transistors by nanoscale tailoring of Schottky barrier using oxygen plasma functionalization

ACS applied materials & interfaces [American Chemical Society], Volume: 9 Issue: 27 Pages: 23164-23174

Patrick Fiorenza, Giuseppe Greco, Ferdinando Iucolano, Alfonso Patti, Fabrizio Roccaforte

Channel Mobility in GaN Hybrid MOS-HEMT Using SiO₂ as Gate Insulator

IEEE Transactions on Electron Devices [IEEE],

F Giannazzo, G Fisichella, G Greco, A La Magna, F Roccaforte, Béla Pécz, Rositsa Yakimova, R Dagher, A Michon, Y Cordier

Graphene integration with nitride semiconductors for high power and high frequency electronics

physica status solidi (a) [], Volume: 214 Issue: 4 Pages: 1600460

Patrick Fiorenza, Giuseppe Greco, Marilena Vivona, Filippo Giannazzo, Salvatore Di Franco, Alessia Frazzetto, Alfio Guarnera, Mario Saggio, Ferdinando Iucolano, Alfonso Patti, Fabrizio Roccaforte

Electrical characterization of trapping phenomena at SiO2/SiC and SiO2/GaN in MOS‐based devices

physica status solidi (a) [], Volume: 214 Issue: 4 Pages: 1600366

F Roccaforte, M Vivona, G Greco, R Lo Nigro, F Giannazzo, S Di Franco, C Bongiorno, F Iucolano, A Frazzetto, S Rascunà, A Patti, M Saggio

Ti/Al‐based contacts to p‐type SiC and GaN for power device applications

physica status solidi (a) [], Volume: 214 Issue: 4 Pages: 1600357

Giuseppe Greco, Filippo Giannazzo, Fabrizio Roccaforte

Temperature dependent forward current-voltage characteristics of Ni/Au Schottky contacts on AlGaN/GaN heterostructures described by a two diodes model

Journal of Applied Physics [AIP Publishing], Volume: 121 Issue: 4 Pages: 045701

Filippo Giannazzo, Gabriele Fisichella, Aurora Piazza, Salvatore Di Franco, Giuseppe Greco, Simonpietro Agnello, Fabrizio Roccaforte

Impact of contact resistance on the electrical properties of MoS2 transistors at practical operating temperatures

Beilstein journal of nanotechnology [Beilstein-Institut], Volume: 8 Issue: 1 Pages: 254-263

Emanuela Schilirò, Patrick Fiorenza, Giuseppe Greco, Fabrizio Roccaforte, Raffaella Lo Nigro

Plasma enhanced atomic layer deposition of Al2O3 gate dielectric thin films on AlGaN/GaN substrates: The role of surface predeposition treatments

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films [AVS], Volume: 35 Issue: 1 Pages: 01B140

Patrick Fiorenza, Giuseppe Greco, Filippo Giannazzo, Ferdinando Iucolano, Fabrizio Roccaforte

Effects of interface states and near interface traps on the threshold voltage stability of GaN and SiC transistors employing SiO2 as gate dielectric

Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena [AVS], Volume: 35 Issue: 1 Pages: 01A101

Filippo Giannazzo, Gabriele Fisichella, Giuseppe Greco, Emanuela Schilirò, Ioannis Deretzis, Raffaella Lo Nigro, Antonino La Magna, Fabrizio Roccaforte, Ferdinando Iucolano, Stella Lo Verso, Sebastiano Ravesi, Pawel Prystawko, Piotr Kruszewski, Mike Leszczyński, Roy Dagher, Eric Frayssinet, Adrien Michon, Yvon Cordier

Fabrication and Characterization of Graphene Heterostructures with Nitride Semiconductors for High Frequency Vertical Transistors

physica status solidi (a) [],

Giuseppe Greco, Filippo Giannazzo, Patrick Fiorenza, Salvatore Di Franco, Alessandra Alberti, Ildikó Cora, Béla Pécz

Barrier Inhomogeneity of Ni Schottky Contacts to Bulk GaN

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE [Wiley], Volume: 2017 Pages: 1-6

F Roccaforte, M Vivona, G Greco, R Lo Nigro, F Giannazzo, S Di Franco, C Bongiorno, F Iucolano, A Frazzetto, S Rascunà, A Patti, M Saggio

Ti/Al‐based contacts to p‐type SiC and GaN for power device applications

physica status solidi (a) [],

F Giannazzo, G Fisichella, A Piazza, S Di Franco, G Greco, S Agnello, F Roccaforte

Effect of temperature–bias annealing on the hysteresis and subthreshold behavior of multilayer MoS2 transistors

physica status solidi (RRL)–Rapid Research Letters [WILEY‐VCH Verlag Berlin GmbH], Volume: 10 Issue: 11 Pages: 797-801

Raffaella Lo Nigro, Emanuela Schilirò, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte

Surface treatments on AlGaN/GaN heterostructures for gate dielectric Al2O3 thin films grown by Atomic Layer Deposition

Thin Solid Films [Elsevier], Volume: 617 Pages: 138-142

Raffaella Lo Nigro, Emanuela Schilirò, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte

Surface treatments on AlGaN/GaN heterostructures for gate dielectric Al 2 O 3 thin films grown by Atomic Layer Deposition

Thin Solid Films [Elsevier], Volume: 617 Pages: 138-142

Giuseppe Greco, Ferdinando Iucolano, Fabrizio Roccaforte

Ohmic contacts to Gallium Nitride materials

Applied Surface Science [North-Holland], Volume: 383 Pages: 324-345

F Giannazzo, G Fisichella, G Greco, A La Magna, F Roccaforte, Béla Pécz, R Yakimova, R Dagher, A Michon, Y Cordier

Graphene integration with nitride semiconductors for high power and high frequency electronics

physica status solidi (a) [],

Patrick Fiorenza, Giuseppe Greco, Marilena Vivona, Filippo Giannazzo, Salvatore Di Franco, Alessia Frazzetto, Alfio Guarnera, Mario Saggio, Ferdinando Iucolano, Alfonso Patti, Fabrizio Roccaforte

Electrical characterization of trapping phenomena at SiO2/SiC and SiO2/GaN in MOS‐based devices

physica status solidi (a) [],

Giuseppe Greco, Ferdinando Iucolano, Salvatore Di Franco, Corrado Bongiorno, Alfonso Patti, Fabrizio Roccaforte

Effects of annealing treatments on the properties of Al/Ti/p-GaN interfaces for normally OFF p-GaN HEMTs

IEEE Transactions on Electron Devices [IEEE], Volume: 63 Issue: 7 Pages: 2735 - 2741

F Giannazzo, G Fisichella, G Greco, F Roccaforte

Challenges in graphene integration for high-frequency electronics

AIP Conference Proceedings [AIP Publishing], Volume: 1749 Issue: 1 Pages: 020004

Raffaella Lo Nigro, Emanuela Schilirò, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte

Laminated Al 2 O 3–HfO 2 layers grown by atomic layer deposition for microelectronics applications

Thin Solid Films [Elsevier], Volume: 601 Pages: 68-72

Raffaella Lo Nigro, Emanuela Schilirò, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte

Laminated Al2O3–HfO2 layers grown by atomic layer deposition for microelectronics applications

Thin Solid Films [Elsevier], Volume: 601 Pages: 68-72

M Vivona, G Greco, R Lo Nigro, C Bongiorno, F Roccaforte

Ti/Al/W Ohmic contacts to p-type implanted 4H-SiC

Journal of Applied Physics [AIP Publishing], Volume: 118 Issue: 3 Pages: 035705

Raffaella Lo Nigro, Gabriele Fisichella, Sergio Battiato, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte, Graziella Malandrino

An insight into the epitaxial nanostructures of NiO and CeO 2 thin film dielectrics for AlGaN/GaN heterostructures

Materials Chemistry and Physics [Elsevier], Volume: 162 Pages: 461-468

Emanuela Schilirò, Giuseppe Greco, Patrick Fiorenza, Cristina Tudisco, Guglielmo Guido Condorelli, Salvatore Di Franco, Fabrizio Roccaforte, Raffaella Lo Nigro

Effects of surface nature of different semiconductor substrates on the plasma enhanced atomic layer deposition growth of Al2O3 gate dielectric thin films

physica status solidi (c) [WILEY‐VCH Verlag], Volume: 12 Issue: 7 Pages: 980-984

Giuseppe Greco, Ferdinando Iucolano, Corrado Bongiorno, Salvatore Di Franco, Raffaella Lo Nigro, Filippo Giannazzo, Pawel Prystawko, Piotr Kruszewski, Marcin Krysko, Ewa Grzanka, Michał Leszczynski, Cristina Tudisco, Guglielmo Guido Condorelli, Fabrizio Roccaforte

Electrical and structural properties of Ti/Al‐based contacts on AlGaN/GaN heterostructures with different quality

physica status solidi (a) [], Volume: 212 Issue: 5 Pages: 1091-1098

Patrick Fiorenza, Giuseppe Greco, Ferdinando Iucolano, Alfonso Patti, Fabrizio Roccaforte

Slow and fast traps in metal-oxide-semiconductor capacitors fabricated on recessed AlGaN/GaN heterostructures

Applied Physics Letters [AIP Publishing], Volume: 106 Issue: 14 Pages: 142903

Gabriele Fisichella, Giuseppe Greco, Patrick Fiorenza, Salvatore Di Franco, Fabrizio Roccaforte, Filippo Giannazzo

Current mapping in graphene contacts to AlGaN/GaN heterostructures

Nanoscience and Nanometrology [], Volume: 1 Pages: 1-7

Gabriele Fisichella, Giuseppe Greco, Salvatore Di Franco, Fabrizio Roccaforte, Sebastiano Ravesi, Filippo Giannazzo

Nanoscale electrical characterization of graphene contacts to AlGaN/GaN heterostructures

physica status solidi (c) [WILEY‐VCH Verlag], Volume: 11 Issue: 11‐12 Pages: 1551-1555

Giuseppe Greco, Ferdinando Iucolano, Corrado Bongiorno, Filippo Giannazzo, Marcin Krysko, Mike Leszczynski, Fabrizio Roccaforte

Ti/Al ohmic contacts on AlGaN/GaN heterostructures with different defect density

Applied Surface Science [North-Holland], Volume: 314 Pages: 546-551

Fabrizio Roccaforte, Patrick Fiorenza, Giuseppe Greco, Raffaella Lo Nigro, Filippo Giannazzo, Alfonso Patti, Mario Saggio

Challenges for energy efficient wide band gap semiconductor power devices

physica status solidi (a) [], Volume: 211 Issue: 9 Pages: 2063-2071

G Fisichella, G Greco, F Roccaforte, F Giannazzo

From Schottky to Ohmic graphene contacts to AlGaN/GaN heterostructures: Role of the AlGaN layer microstructure

Applied Physics Letters [AIP Publishing], Volume: 105 Issue: 6 Pages: 063117

Raffaella Lo Nigro, Sergio Battiato, Giuseppe Greco, Patrick Fiorenza, Fabrizio Roccaforte, Graziella Malandrino

Metal Organic Chemical Vapor Deposition of nickel oxide thin films for wide band gap device technology

Thin Solid Films [Elsevier], Volume: 563 Pages: 50-55

M Vivona, G Greco, F Giannazzo, R Lo Nigro, S Rascunà, M Saggio, F Roccaforte

Thermal stability of the current transport mechanisms in Ni-based Ohmic contacts on n-and p-implanted 4H-SiC

Semiconductor Science and Technology [IOP Publishing], Volume: 29 Issue: 7 Pages: 075018

F Roccaforte, P Fiorenza, G Greco, M Vivona, R Lo Nigro, F Giannazzo, A Patti, M Saggio

Recent advances on dielectrics technology for SiC and GaN power devices

Applied Surface Science [North-Holland], Volume: 301 Pages: 9-18

Gabriele Fisichella, Giuseppe Greco, Fabrizio Roccaforte, Filippo Giannazzo

Current transport in graphene/AlGaN/GaN vertical heterostructures probed at nanoscale

Nanoscale [Royal Society of Chemistry], Volume: 6 Issue: 15 Pages: 8671-8680

Giuseppe Greco, Patrick Fiorenza, Filippo Giannazzo, Alessandra Alberti, Fabrizio Roccaforte

Nanoscale electrical and structural modification induced by rapid thermal oxidation of AlGaN/GaN heterostructures

Nanotechnology [IOP Publishing], Volume: 25 Issue: 2 Pages: 025201

Ferdinando Iucolano, Giuseppe Greco, Fabrizio Roccaforte

Correlation between microstructure and temperature dependent electrical behavior of annealed Ti/Al/Ni/Au Ohmic contacts to AlGaN/GaN heterostructures

Applied Physics Letters [AIP], Volume: 103 Issue: 20 Pages: 201604

P Fiorenza, G Greco, G Fisichella, F Roccaforte, G Malandrino, R Lo Nigro

High permittivity cerium oxide thin films on AlGaN/GaN heterostructures

Applied Physics Letters [AIP], Volume: 103 Issue: 11 Pages: 112905

G Greco, F Giannazzo, F Iucolano, R Lo Nigro, F Roccaforte

Nanoscale structural and electrical evolution of Ta-and Ti-based contacts on AlGaN/GaN heterostructures

Journal of Applied Physics [AIP], Volume: 114 Issue: 8 Pages: 083717

Filippo Giannazzo, Antonino Scuderi, Giuseppe Greco, Patrick Fiorenza, Raffaela Lo Nigro, Michal Leszczyński, Fabrizio Roccaforte

Nanoscale Probing of Interfaces in GaN for Devices Applications

ECS Transactions [The Electrochemical Society], Volume: 50 Issue: 3 Pages: 439-446

Patrick Fiorenza, Giuseppe Greco, Filippo Giannazzo, Raffaella Lo Nigro, Fabrizio Roccaforte

Poole-Frenkel emission in epitaxial nickel oxide on AlGaN/GaN heterostructures

Applied Physics Letters [AIP], Volume: 101 Issue: 17 Pages: 172901

F Roccaforte, A Frazzetto, G Greco, F Giannazzo, P Fiorenza, R Lo Nigro, M Saggio, M Leszczyński, P Pristawko, V Raineri

Critical issues for interfaces to p-type SiC and GaN in power devices

Applied Surface Science [North-Holland], Volume: 258 Issue: 21 Pages: 8324-8333

Fabrizio Roccaforte, Giuseppe Greco, Patrick Fiorenza, Vito Raineri, Graziella Malandrino, Raffaella Lo Nigro

Epitaxial NiO gate dielectric on AlGaN/GaN heterostructures

Applied Physics Letters [AIP], Volume: 100 Issue: 6 Pages: 063511

Giuseppe Greco

AlGaN/GaN heterostructures for enhancement mode transistors

Università degli Studi di Catania [],

G Greco, P Prystawko, M Leszczyński, R Lo Nigro, V Raineri, F Roccaforte

Electro-structural evolution and Schottky barrier height in annealed Au/Ni contacts onto p-GaN

Journal of Applied Physics [AIP], Volume: 110 Issue: 12 Pages: 123703

Giuseppe Greco, Filippo Giannazzo, Alessia Frazzetto, Vito Raineri, Fabrizio Roccaforte

Near-surface processing on AlGaN/GaN heterostructures: a nanoscale electrical and structural characterization

Nanoscale research letters [Springer New York], Volume: 6 Issue: 1 Pages: 132

M Barbagallo, L Cosentino, G Greco, G Guardo, RM Montereali, A Pappalardo, C Scirè, S Scirè, MA Vincenti, P Finocchiaro

A thermal neutron mini-detector with SiPM and scintillating fibers

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment [North-Holland], Volume: 652 Issue: 1 Pages: 355-358

P Finocchiaro, M Barbagallo, L Cosentino, G Greco, G Guardo, A Pappalardo, C Scirè, S Scirè

Silicon photomultipliers for radioactive waste online monitoring

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment [North-Holland], Volume: 652 Issue: 1 Pages: 143-145

Massimo Barbagallo, Luigi Cosentino, Giuseppe Greco, Rosa Maria Montereali, Alfio Pappalardo, Carlotta Scirè, Sergio Scirè, Maria Aurora Vincenti, Paolo Finocchiaro

Development of a thermal neutron detector based on scintillating fibers and silicon photomultipliers

Review of Scientific Instruments [AIP], Volume: 81 Issue: 9 Pages: 093503