Publications de Michele Ghini | EPFL Graph Search

Nanomole Process: Enabling Localized Metallic Back-Gates for Enhanced Cryogenic Front-to-Back Coupling in FDSOI Quantum Dots

This paper introduces a novel integration method of localized metallic back-gates into fully-depleted silicon-on-insulator (FDSOI) multi-gate FETs, enabling robust front-to-back electrostatic coupling from room temperature to cryogenic conditions, without ...

2025

Integration of Cobalt Ferromagnetic Control Gates for Electrical and Magnetic Manipulation of Semiconductor Quantum Dots (Adv. Funct. Mater. 14/2025)

Mihai Adrian Ionescu, Pasquale Scarlino, Victor Carle Adrien Boureau, Michele Ghini

Wiley2025

Integration of Cobalt Ferromagnetic Control Gates for Electrical and Magnetic Manipulation of Semiconductor Quantum Dots

Mihai Adrian Ionescu, Pasquale Scarlino, Victor Carle Adrien Boureau, Michele Ghini

The rise of electron spin qubit architectures for quantum computing processors has led to a strong interest in designing and integrating ferromagnets to induce stray magnetic fields for electron dipole spin resonance (EDSR). The integration of nanomagnets ...

Wiley2025

Cryogenic Front-to-Back Coupling in FD-SOI for Tunable Qubits by Localized Metallic Back-Gate

Mihai Adrian Ionescu, Michele Ghini

In this study, we develop and experimentally validate the integration of a localized metallic back-gate into a multi-gate silicon-on-insulator (SOI) field-effect transistor (FET), aimed at enabling front-gate coupling efficiency from room to cryogenic (mK) ...

IEEE2024

Ferroelectric Supercapacitors by Combining Polarization Switching and Negative Capacitance Effects for On-Chip Energy Storage

Mihai Adrian Ionescu, Ali Gilani, Carlotta Gastaldi, Sadegh Kamaei Bahmaei, Michele Ghini

In this work, we investigate the fundamental effects contributing to energy storage enhancement in on-chip ferroelectric electrostatic supercapacitors with doped high-k dielectrics. By optimizing energy storage density and efficiency in nanometer-thin stac ...

Institute of Electrical and Electronics Engineers2023

Numerical Study of the Optical Response of ITO-In2O3 Core-Shell Nanocrystals for Multispectral Electromagnetic Shielding

Michele Ghini, Nicolò Petrini

Nowadays materials to protect equipment from unwanted multispectral electromagnetic waves are needed in a broad range of applications including electronics, medical, military and aerospace. However, the shielding materials currently in use are bulky and wo ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

Energy transfer and charge transfer between semiconducting nanocrystals and transition metal dichalcogenide monolayers

Michele Ghini

Nowadays, as a result of the emergence of low-dimensional hybrid structures, the scientific community is interested in their interfacial carrier dynamics, including charge transfer and energy transfer. By combining the potential of transition metal dichalc ...

Royal Society of Chemistry2023

Quantum Dots Array on Ultra-Thin SOI Nanowires with Ferromagnetic Cobalt Barrier Gates for Enhanced Spin Qubit Control

Pasquale Scarlino, Fabian Oppliger, Michele Ghini, Heike Riel

In this work we propose and demonstrate the integration of ferromagnetic nanosized cobalt barrier gates in quantum dots arrays on ultra-thin fully-depleted Silicon-On-Insulator (SOI) nanowires. This innovative structure enhances both driving and addressabi ...

IEEE2023

Near-Infrared Plasmon-Induced Hot Electron Extraction Evidence in an Indium Tin Oxide Nanoparticle/Monolayer Molybdenum Disulfide Heterostructure

Michele Ghini, Andrea Villa

In this work, we observe plasmon-induced hot electron extraction in a heterojunction between indium tin oxide nanocrystals and monolayer molybdenum disulfide. We study the sample with ultrafast differential transmission, exciting the sample at 1750 nm wher ...

AMER CHEMICAL SOC2022