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Journal Articles

Amorphous carbon thin films: Mechanisms of hydrogen incorporation during magnetron sputtering and consequences for the secondary electron emission

C. F. Adame, E. Alves, N. P. Barradas, P. Costa Pinto, Y. Delaup, I. M. M. Ferreira, H. Neupert, M. Himmerlich, S. Pfeiffer, M. Rimoldi, M. Taborelli, O. M. N. D. Teodoro, N. Bundaleski
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 41, 043412 (2023)
https://doi.org/10.1116/6.0002759
Published: June 2023
View article titled, Amorphous carbon thin films: Mechanisms of hydrogen incorporation during magnetron sputtering and consequences for the secondary electron emission
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Includes: Supplementary data
Journal Articles

Enhancing the luminescence yield of Cr3+ in β -Ga2O3 by proton irradiation

M. Peres, D. M. Esteves, B. M. S. Teixeira, J. Zanoni, L. C. Alves, E. Alves, L. F. Santos, X. Biquard, Z. Jia, W. Mu, J. Rodrigues, N. A. Sobolev, M. R. Correia, T. Monteiro, N. Ben Sedrine, K. Lorenz
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 261904 (2022)
https://doi.org/10.1063/5.0089541
Published: June 2022
View article titled, Enhancing the luminescence yield of Cr<sup>3+</sup> in <em>β</em> -Ga<sub>2</sub>O<sub>3</sub> by proton irradiation
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Includes: Supplementary data
Journal Articles

Enhanced red emission from Eu-implanted ZnMgO layers and ZnO/ZnMgO quantum structures

A. Kozanecki, J. M. Sajkowski, J. A. Mathew, Y. Zhydachevskyy, E. Alves, M. Stachowicz
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 112101 (2021)
https://doi.org/10.1063/5.0060961
Published: September 2021
View article titled, Enhanced red emission from Eu-implanted ZnMgO layers and ZnO/ZnMgO quantum structures
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Journal Articles

Self-powered proton detectors based on GaN core–shell p–n microwires

D. Verheij, M. Peres, S. Cardoso, L. C. Alves, E. Alves, C. Durand, J. Eymery, J. Fernandes, K. Lorenz
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 193501 (2021)
https://doi.org/10.1063/5.0045050
Published: May 2021
View article titled, Self-powered proton detectors based on GaN core–shell p–n microwires
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Includes: Supplementary data
Journal Articles

Direct observation of mono-vacancy and self-interstitial recovery in tungsten

J. Heikinheimo, K. Mizohata, J. Räisänen, T. Ahlgren, P. Jalkanen, A. Lahtinen, N. Catarino, E. Alves, F. Tuomisto
Journal: APL Materials
APL Mater. 7, 021103 (2019)
https://doi.org/10.1063/1.5082150
Published: February 2019
View article titled, Direct observation of mono-vacancy and self-interstitial recovery in tungsten
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Journal Articles

Multiple optical centers in Eu-implanted AlN nanowires for solid-state lighting applications

J. Cardoso, N. Ben Sedrine, A. Alves, M. A. Martins, M. Belloeil, B. Daudin, D. Nd. Faye, E. Alves, K. Lorenz, A. J. Neves, M. R. Correia, T. Monteiro
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 201905 (2018)
https://doi.org/10.1063/1.5048772
Published: November 2018
View article titled, Multiple optical centers in Eu-implanted AlN nanowires for solid-state lighting applications
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Includes: Supplementary data
Journal Articles

Ion irradiation-induced easy-cone anisotropy in double-MgO free layers for perpendicular magnetic tunnel junctions

B. M. S. Teixeira, A. A. Timopheev, N. F. F. Caçoilo, S. Auffret, R. C. Sousa, B. Dieny, E. Alves, N. A. Sobolev
Journal: Applied Physics Letters
Appl. Phys. Lett. 112, 202403 (2018)
https://doi.org/10.1063/1.5026854
Published: May 2018
View article titled, Ion irradiation-induced easy-cone anisotropy in double-MgO free layers for perpendicular magnetic tunnel junctions
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Journal Articles

Impact of implantation geometry and fluence on structural properties of AlxGa1-xN implanted with thulium

M. Fialho, S. Magalhães, M. P. Chauvat, P. Ruterana, K. Lorenz, E. Alves
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 165703 (2016)
https://doi.org/10.1063/1.4966120
Published: October 2016
View article titled, Impact of implantation geometry and fluence on structural properties of Al<sub>x</sub>Ga<sub>1-x</sub>N implanted with thulium
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Journal Articles

Spectroscopic analysis of the NIR emission in Tm implanted AlxGa1-xN layers

J. Rodrigues, M. Fialho, T. C. Esteves, N. F. Santos, N. Ben Sedrine, L. Rino, A. J. Neves, K. Lorenz, E. Alves, T. Monteiro
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 081701 (2016)
https://doi.org/10.1063/1.4961931
Published: August 2016
View article titled, Spectroscopic analysis of the NIR emission in Tm implanted Al<sub>x</sub>Ga<sub>1-x</sub>N layers
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Journal Articles

Identifying the influence of the intrinsic defects in Gd-doped ZnO thin-films

T. H. Flemban, M. C. Sequeira, Z. Zhang, S. Venkatesh, E. Alves, K. Lorenz, I. S. Roqan
Journal: Journal of Applied Physics
J. Appl. Phys. 119, 065301 (2016)
https://doi.org/10.1063/1.4941434
Published: February 2016
View article titled, Identifying the influence of the intrinsic defects in Gd-doped ZnO thin-films
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Journal Articles

High In-content InGaN layers synthesized by plasma-assisted molecular-beam epitaxy: Growth conditions, strain relaxation, and In incorporation kinetics

S. Valdueza-Felip, E. Bellet-Amalric, A. Núñez-Cascajero, Y. Wang, M.-P. Chauvat, P. Ruterana, S. Pouget, K. Lorenz, E. Alves, E. Monroy
Journal: Journal of Applied Physics
J. Appl. Phys. 116, 233504 (2014)
https://doi.org/10.1063/1.4903944
Published: December 2014
View article titled, High In-content InGaN layers synthesized by plasma-assisted molecular-beam epitaxy: Growth conditions, strain relaxation, and In incorporation kinetics
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Journal Articles

Temperature-dependent hysteresis of the emission spectrum of Eu-implanted, Mg-doped HVPE GaN

K. P. O'Donnell, R. W. Martin, P. R. Edwards, K. Lorenz, E. Alves, M. Boćkowski
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1566, 63–64 (2013)
https://doi.org/10.1063/1.4848286
Published: December 2013
View article titled, Temperature-dependent hysteresis of the emission spectrum of Eu-implanted, Mg-doped HVPE GaN
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Journal Articles

Thermal properties of holmium-implanted gold films for a neutrino mass experiment with cryogenic microcalorimeters

K. Prasai, E. Alves, D. Bagliani, S. Basak Yanardag, M. Biasotti, M. Galeazzi, F. Gatti, M. Ribeiro Gomes, J. Rocha, Y. Uprety
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 84, 083905 (2013)
https://doi.org/10.1063/1.4816640
Published: August 2013
View article titled, Thermal properties of holmium-implanted gold films for a neutrino mass experiment with cryogenic microcalorimeters
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Journal Articles

Optical doping of Al x Ga 1− x N compounds by ion implantation of Tm ions

M. Fialho, K. Lorenz, S. Magalhães, A. Redondo-Cubero, J. Rodrigues, N. F. Santos, T. Monteiro, E. Alves
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1496, 63–66 (2012)
https://doi.org/10.1063/1.4766490
Published: November 2012
View article titled, Optical doping of Al x Ga 1− x N compounds by ion implantation of Tm ions
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Journal Articles

Structural and magnetic properties of thin films of BaFeO3-δ deposited by pulsed injection metal-organic chemical vapor deposition

B. Ribeiro, R. P. Borges, R. C. da Silva, N. Franco, P. Ferreira, E. Alves, B. Berini, A. Fouchet, N. Keller, M. Godinho
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 113923 (2012)
https://doi.org/10.1063/1.4729269
Published: June 2012
View article titled, Structural and magnetic properties of thin films of BaFeO<sub>3-δ</sub> deposited by pulsed injection metal-organic chemical vapor deposition
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Journal Articles

Structural and electrical studies of ultrathin layers with Si0.7Ge0.3 nanocrystals confined in a SiGe/SiO2 superlattice

E. M. F. Vieira, J. Martín-Sánchez, A. G. Rolo, A. Parisini, M. Buljan, I. Capan, E. Alves, N. P. Barradas, O. Conde, S. Bernstorff, A. Chahboun, S. Levichev, M. J. M. Gomes
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 104323 (2012)
https://doi.org/10.1063/1.4722278
Published: May 2012
View article titled, Structural and electrical studies of ultrathin layers with Si<sub>0.7</sub>Ge<sub>0.3</sub> nanocrystals confined in a SiGe/SiO<sub>2</sub> superlattice
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Journal Articles

Tuning the properties of Ge-quantum dots superlattices in amorphous silica matrix through deposition conditions

S. R. C. Pinto, M. Buljan, A. Chahboun, M. A. Roldan, S. Bernstorff, M. Varela, S. J. Pennycook, N. P. Barradas, E. Alves, S. I. Molina, M. M. D. Ramos, M. J. M. Gomes
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 074316 (2012)
https://doi.org/10.1063/1.3702776
Published: April 2012
View article titled, Tuning the properties of Ge-quantum dots superlattices in amorphous silica matrix through deposition conditions
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Journal Articles

Unintentional incorporation of hydrogen in wurtzite InN with different surface orientations

V. Darakchieva, K. Lorenz, M.-Y. Xie, E. Alves, C. L. Hsiao, L. C. Chen, L. W. Tu, W. J. Schaff, T. Yamaguchi, Y. Nanishi
Journal: Journal of Applied Physics
J. Appl. Phys. 110, 063535 (2011)
https://doi.org/10.1063/1.3642969
Published: September 2011
View article titled, Unintentional incorporation of hydrogen in wurtzite InN with different surface orientations
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Journal Articles

Integration Of SIMS Into A General Purpose IBA Data Analysis Code

N. P. Barradas, J. Likonen, E. Alves, L. C. Alves, P. Coad, A. Hakola, A. Widdowson
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1336, 281–285 (2011)
https://doi.org/10.1063/1.3586104
Published: June 2011
View article titled, Integration Of SIMS Into A General Purpose IBA Data Analysis Code
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Journal Articles

A Double Scattering Analytical Model For Elastic Recoil Detection Analysis

N. P. Barradas, K. Lorenz, V. Darakchieva, E. Alves
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1336, 314–318 (2011)
https://doi.org/10.1063/1.3586111
Published: June 2011
View article titled, A Double Scattering Analytical Model For Elastic Recoil Detection Analysis
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