Omar Abou El Kheir

activity

20242026

collaborators

3 papers

cond-mat.mtrl-sci2026

On the origin of in-gap states in amorphous Ge $_{2}$ Sb $_{2}$ Te $_{5}$

Omar Abou El Kheir, Marco Bernasconi

The localized states in the band gap of amorphous phase change alloys like Ge $_{2}$ Sb $_{2}$ Te $_{5}$ control the electrical conduction via the Poole-Frenkel mechanism. Understanding the o…

cond-mat.mtrl-sci2025

Simulation of the crystallization kinetics of Ge $_{2}$ Sb $_{2}$ Te $_{5}$ nanoconfined in superlattice geometries for phase change memories

Debdipto Acharya, Omar Abou El Kheir, Simone Marcorini +1

Phase change materials are the most promising candidates for the realization of artificial synapsis for neuromorphic computing. Different resistance levels corresponding to analogi…

cond-mat.mtrl-sci2024

Unveiling the crystallization kinetics in Ge-rich Ge $_{x}$ Te alloys by large scale simulations with a machine-learned interatomic potential

Dario Baratella, Omar Abou El Kheir, Marco Bernasconi

A machine-learned interatomic potential for Ge-rich Ge $_{x}$ Te alloys has been developed aiming at uncovering the kinetics of phase separation and crystallization in these materials.…

On the origin of in-gap states in amorphous Ge2​Sb2​Te5​

Simulation of the crystallization kinetics of Ge2​Sb2​Te5​ nanoconfined in superlattice geometries for phase change memories

Unveiling the crystallization kinetics in Ge-rich Gex​Te alloys by large scale simulations with a machine-learned interatomic potential

On the origin of in-gap states in amorphous Ge $_{2}$ Sb $_{2}$ Te $_{5}$

Simulation of the crystallization kinetics of Ge $_{2}$ Sb $_{2}$ Te $_{5}$ nanoconfined in superlattice geometries for phase change memories

Unveiling the crystallization kinetics in Ge-rich Ge $_{x}$ Te alloys by large scale simulations with a machine-learned interatomic potential