150-GHz Cutoff Frequencies and 2-W/mm Output Power at 40 GHz in a Millimeter-Wave AlGaN/GaN HEMT Technology on Silicon

Diego Marti, Stefano Tirelli, Andreas R. Alt, +2

IEEE Electron Device Letters

Wide-bandgap SemiconductorElectrical EngineeringEngineeringRf Semiconductor2-W/mm Output Power +10

Fully Passivated AlInN/GaN HEMTs With $f_{\rm T}/f_{\rm MAX}$ of 205/220 GHz

Stefano Tirelli, Diego Marti, Haifeng Sun, +4

IEEE Electron Device Letters

SemiconductorsWide-bandgap SemiconductorElectrical EngineeringElectronic DevicesEngineering +9

94-GHz Large-Signal Operation of AlInN/GaN High-Electron-Mobility Transistors on Silicon With Regrown Ohmic Contacts

Diego Marti, Stefano Tirelli, Valeria Teppati, +5

IEEE Electron Device Letters

Wide-bandgap SemiconductorElectrical EngineeringEngineeringRf SemiconductorNanoelectronics +12

107-GHz (Al,Ga)N/GaN HEMTs on Silicon With Improved Maximum Oscillation Frequencies

Stefano Tirelli, Diego Marti, Haifeng Sun, +4

IEEE Electron Device Letters

Gan-based HemtsWide-bandgap SemiconductorElectrical EngineeringEngineeringRf Semiconductor +8

Comparison of Ti6Al4V machining forces and tool life for cryogenic versus conventional cooling

Matteo Strano, Elio Chiappini, Stefano Tirelli, +2

Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture

Materials ScienceTi6al4v Machining ForcesLiquid NitrogenEngineeringHigh Temperature Materials +10

Finite Element Simulation and Validation of Chip Formation and Cutting Forces in Dry and Cryogenic Cutting of Ti–6Al–4V

Ali Davoudinejad, Elio Chiappini, Stefano Tirelli, +2

Procedia Manufacturing

On the mechanics of chip formation in Ti–6Al–4V turning with spindle speed variation

Elio Chiappini, Stefano Tirelli, Paolo Albertelli, +2

International Journal of Machine Tools and Manufacture

SpintronicsElectrical EngineeringEngineeringChip FormationApplied Physics +2

Manipulation and Generation of Supercurrent in Out-of-Equilibrium Josephson Tunnel Nanojunctions

Stefano Tirelli, Alexander Savin, César Pascual García, +3

Physical Review Letters

Superconducting MaterialJosephson JunctionsElectrical EngineeringEngineeringTunneling Microscopy +9

Wear behaviour of PVD coated and cryogenically treated tools for Ti-6Al-4V turning

Matteo Strano, Paolo Albertelli, Elio Chiappini, +1

International Journal of Material Forming

Materials ScienceMaterials EngineeringTreated ToolsEngineeringWear Testing +6

AlInN-Based HEMTs for Large-Signal Operation at 40 GHz

Stefano Tirelli, Lorenzo Lugani, Diego Marti, +3

IEEE Transactions on Electron Devices

Alinn-based HemtsElectrical EngineeringEngineeringRf SemiconductorHigh-frequency Device +12