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Luca Nela

Cette personne a quitté l’EPFL

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Publications associées (33)

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Enhancement-mode Multi-channel AlGaN/GaN Transistors with LiNiO Junction Tri-Gate

Elison de Nazareth Matioli, Luca Nela, Taifang Wang

Multi-channel GaN power device, consisting of stacking multiple two-dimensional-electron-gas (2DEG) channels, has been demonstrated to achieve unprecedented on-state performance while maintaining high breakdown voltage (VBR). However, the large carrier den ...

Institute of Electrical and Electronics Engineers2022

In-Chip Microfluidic Cooling Integrated on GaN Power IC Reaching High Power Density of 78 kW/l

Ibrahim Osama Elhagali, Elison de Nazareth Matioli, Luca Nela, Remco Franciscus Peter van Erp, Palliyage Srilak Nirmana Perera, Hongkeng Zhu

The lateral structure of gallium nitride (GaN) semiconductors enables monolithic integration of logic and power devices, which offers promise to miniaturize bulky converters into a compact package. However, the concentrated heat that arises from this dense ...

2024

p-NiO Junction Termination Extensions for High Voltage Vertical GaN Devices

Elison de Nazareth Matioli, Luca Nela, Remco Franciscus Peter van Erp, Riyaz Mohammed Abdul Khadar, Reza Soleiman Zadeh Ardebili, Catherine Erine, Alessandro Floriduz, Taifang Wang, Pirouz Sohi

In this paper, we illustrate the use of RF-sputtered p-NiO to fabricate Junction Termination Extensions (JTEs) for high-performance vertical GaN-on-Si Schottky Barrier Diodes (SBDs). The GaN epitaxial structures were grown on 6-inch Si wafers by MOCVD. The ...

IEEE2021

Intrinsic Polarization Super Junctions: Design of Single and Multichannel GaN Structures

Amirmohammad Miran Zadeh, Elison de Nazareth Matioli, Luca Nela, Catherine Erine

Super junctions (SJs) have enabled unprecedented performance in Silicon power devices, which could be further improved by applying this concept to wide bandgap semiconductors like gallium nitride (GaN). Currently, polarization super junctions (PSJs) are th ...

2022

High-Frequency GaN-on-Si power integrated circuits based on Tri-Anode SBDs

Elison de Nazareth Matioli, Jun Ma, Luca Nela, Remco Franciscus Peter van Erp, Georgios Kampitsis, Halil Kerim Yildirim

In this work, we report on the switching performance of AlGaN/GaN lateral Tri-Anode SBDs. The Tri-Anode architecture leads to a more than 50% reduction in the device charge with respect to conventional planar structure, confirmed both by capacitive and rev ...

IEEE2020

Novel Slanted Field Plate Technology for GaN HEMTs by Grayscale Lithography on Flowable Oxide

Elison de Nazareth Matioli, Jun Ma, Luca Nela, Taifang Wang

We report a novel process to achieve slanted field plate (S-FP), which is a field plate with a gradual increase thickness from gate edge towards drain - utilizing grayscale lithography on flowable oxide (FOX) in single process step, in which developed FOX ...

IEEE2019

A perspective on multi-channel technology for the next-generation of GaN power devices

Elison de Nazareth Matioli, Luca Nela

The outstanding properties of Gallium Nitride (GaN) have enabled considerable improvements in the performance of power devices compared to traditional silicon technology, resulting in more efficient and highly compact power converters. GaN power technology ...

AIP Publishing2022

High-performance nanowire-based E-mode Power GaN MOSHEMTs

Elison de Nazareth Matioli, Jun Ma, Luca Nela, Minghua Zhu

In this work, we demonstrate high-performance Enhancement-mode (E-mode) GaN Metal-Oxide-Semiconductor High Electron Mobility Transistors (MOS-HEMTs) on Si substrate achieved by a nanostructured gate region in combination with a large work-function gate met ...

IEEE2019

1200 V Multi-Channel Power Devices with 2.8 Ω•mm ON-Resistance

Elison de Nazareth Matioli, Jun Ma, Luca Nela, Catherine Erine, Minghua Zhu

Here we report novel multi-channel AlGaN/GaN MOSHEMTs with high breakdown voltage (V BR ) and low ON-resistance (R ON ). The multi-channel structure was judiciously designed to yield a small sheet resistance (R s ) of 80 Ω/sq using only four 2DEG channels, ...

IEEE2019

Performance of GaN Power Devices for Cryogenic Applications Down to 4.2 K

Elison de Nazareth Matioli, Luca Nela, Palliyage Srilak Nirmana Perera, Catherine Erine

Gallium nitride (GaN) power devices are employed in an increasing number of applications thanks to their excellent performance. Nevertheless, their potential for cryogenic applications, such as space, aviation, and superconducting systems, has not yet been ...

2021

Fast-switching Tri-Anode Schottky Barrier Diodes for monolithically integrated GaN-on-Si power circuits

Elison de Nazareth Matioli, Jun Ma, Luca Nela, Georgios Kampitsis

Tri-Anode GaN Schottky Barrier Diodes (SBDs) have recently shown excellent DC performance with low turn-on voltage and large breakdown thanks to their 3D contact structure around the two-dimensional electron gas (2DEG) channel. However, the 3D nature of th ...

Institute of Electrical and Electronics Engineers2020

Conformal Passivation of Multi-Channel GaN Power Transistors for Reduced Current Collapse

Elison de Nazareth Matioli, Luca Nela, Remco Franciscus Peter van Erp, Catherine Erine, Halil Kerim Yildirim

Multi-channel power devices, in which several AlGaN/GaN layers are stacked to achieve multiple two-dimensional electron gases (2DEGs), have recently led to a significant increase in the device conductivity while maintaining high breakdown voltage, resultin ...

Institute of Electrical and Electronics Engineers2020

Co-designing electronics with microfluidics for more sustainable cooling

Elison de Nazareth Matioli, Luca Nela, Remco Franciscus Peter van Erp, Reza Soleiman Zadeh Ardebili, Georgios Kampitsis

2020