collaborators

8 papers

cond-mat.mtrl-sci2026

Formation of Ag and Au Plasmonic Nanoparticles by Ion Implantation in GaO thin films

Inês Freitas, Ana Sofia Sousa, Duarte Magalhães Esteves +6

Gallium oxide (GaO) is a wide-bandgap semiconductor with exceptional electrical and optical properties, making it a promising material for optoelectronic and sensing applic…

cond-mat.mtrl-sci2026

Au and Ag nanoparticles produced by ion implantation in single-crystalline -GaO

Duarte Magalhães Esteves, Ana Sofia Sousa, Inês Freitas +5

This work reports the successful formation of Ag and Au nanoparticles in -GaO single-crystals by ion implantation and annealing at 550 °C. X-ray diffraction measuremen…

cond-mat.mtrl-sci2026

Anisotropic implantation damage build-up and crystal recovery in -GaO

Duarte Magalhães Esteves, Sérgio Magalhães, Ângelo Rafael Granadeiro da Costa +2

The present work aims at investigating the defect accumulation and recovery dynamics in the inherently anisotropic -GaO lattice. A systematic Rutherford Backscattering…

cond-mat.mtrl-sci2026

Understanding the anisotropic response of -GaO to ion implantation

Duarte Magalhães Esteves, Ru He, Sérgio Magalhães +8

While -GaO is considered a promising wide bandgap semiconductor, the impact of ion-induced defect formation and anisotropic elasticity remains poorly understood. Here,…

cond-mat.mtrl-sci2026

Study on the Effect of Annealing on GaO Thin Films Deposited on Silicon by RF Sputtering

Ana Sofia Sousa, Duarte M. Esteves, Tiago T. Robalo +3

Gallium oxide is an ultra-wide bandgap semiconductor with excellent opto-electronic properties, making it a highly promising material for a wide range of applications and devices.…

cond-mat.mtrl-sci2025

UV photodetectors and field-effect transistors based on -GaO nanomembranes produced by ion-beam-assisted exfoliation

Miguel Cardoso Pedro, Duarte Magalhães Esteves, Daniela Rodrigues Pereira +4

-GaO nanomembranes, obtained by ion-beam-assisted exfoliation, are used in the fabrication of simple metal-semiconductor-metal (MSM) structures, that are tested as…