A full coupled drift-diffusion-Poisson simulation of a GFET

G Nastasi, V Romano - … in Nonlinear Science and Numerical Simulation, 2020 - Elsevier
A graphene field effect transistor (GFET), where the active area is made of monolayer large-
area graphene, is simulated including a full 2D Poisson equation and a drift-diffusion model …

Numerical solver for the out-of-equilibrium time dependent Boltzmann collision operator: application to 2D materials

I Wadgaonkar, M Wais, M Battiato - Computer Physics Communications, 2022 - Elsevier
Abstract The Time Dependent Boltzmann equation (TDBE) is a very efficient description of a
vast variety of strongly out-of-equilibrium dynamics which are becoming increasingly critical …

Numerical scheme for the far-out-of-equilibrium time-dependent Boltzmann collision operator: 1D second-degree momentum discretisation and adaptive time stepping

I Wadgaonkar, R Jain, M Battiato - Computer Physics Communications, 2021 - Elsevier
Study of far-from-equilibrium thermalisation dynamics in quantum materials, including the
dynamics of different types of quasiparticles, is becoming increasingly crucial. However, the …

Simulation of bipolar charge transport in graphene on h-BN

M Coco, G Nastasi - … -The international journal for computation and …, 2020 - emerald.com
Purpose The purpose of this paper is to simulate charge transport in monolayer graphene
on a substrate made of hexagonal boron nitride (h-BN). This choice is motivated by the fact …

An efficient GFET structure

G Nastasi, V Romano - IEEE Transactions on Electron Devices, 2021 - ieeexplore.ieee.org
A graphene FET (GFET), where the active area is made of monolayer large-area graphene,
is simulated including a full 2-D Poisson equation and a drift-diffusion model with mobilities …

[PDF][PDF] Improved mobility models for charge transport in graphene

G Nastasi, V Romano - Communications in Applied and Industrial …, 2019 - sciendo.com
Charge transport in graphene is crucial for the design of a new generation of nanoscale
electron devices. A reasonable model is represented by the semiclassical Boltzmann …

Numerical solver for the time-dependent far-from-equilibrium Boltzmann equation

M Wais, K Held, M Battiato - Computer Physics Communications, 2021 - Elsevier
The study of strongly out-of-equilibrium states and their time evolution towards
thermalization is critical to the understanding of an ever widening range of physical …

Pauli principle and the Monte Carlo method for charge transport in graphene

M Coco, P Bordone, L Demeio, V Romano - Physical Review B, 2021 - APS
An attempt to include the Pauli principle in the Monte Carlo method by also acting on the
free-flight step and not only at the end of each collision is investigated. The charge transport …

Convergence of a Direct Simulation Monte Carlo Method for the Space Inhomogeneous Semiconductor Boltzmann Equations with Multi-valley

J Cao, L Cao - Multiscale Modeling & Simulation, 2023 - SIAM
This paper discusses the algorithm and error estimates for solving space inhomogeneous
semiconductor Boltzmann equations with multi-valley, which describe the transport …

Uncertainty quantification for charge transport in GNRs through particle Galerkin methods for the semiclassical Boltzmann equation

A Medaglia, G Nastasi, V Romano… - arXiv preprint arXiv …, 2024 - arxiv.org
In this article, we investigate some issues related to the quantification of uncertainties
associated with the electrical properties of graphene nanoribbons. The approach is suited to …