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List of works by N.P. Barradas

40% tunneling magnetoresistance after anneal at 380 °C for tunnel junctions with iron–oxide interface layers

A comparative study of CoRe superlattices sputtered on glass and Si substrates by grazing angle of incidence RBS, HRTEM, PAC, magnetic and transport properties studies

A round robin characterisation of the thickness and composition of thin to ultra-thin AlNO films

article

A study of solar thermal absorber stack based on CrAlSiNx/CrAlSiNxOy structure by ion beams

scientific article

Ag y :TiN x thin films for dry biopotential electrodes: the effect of composition and structural changes on the electrical and mechanical behaviours

article

Al1−xInxN/GaN bilayers: Structure, morphology, and optical properties

scientific article published on 8 June 2010

Analysis of multifunctional titanium oxycarbide films as a function of oxygen addition

article

Analysis of nanolayered samples with a 4He beam

Annealing effect of magnetic tunnel junctions with one FeOx layer inserted at the Al2O3/CoFe interface

Annealing properties of ZnO films grown using diethyl zinc and tertiary butanol

scientific article published on 26 February 2005

Antiferromagnetic exchange and enhanced magnetoresistance in glass/ Fe50 Å/Co11 Å/CutCu/Co11 Å/ Cu10 Åstructures

article published in 1993

Application of high-resolution X-ray diffraction to study strain status in Si1−xGex/Si1−yGey/Si (001) heterostructures

Artificial neural networks for NAA: proof of concept on data analysed with k0-based software

scientific article published in 2022

Biological behaviour of thin films consisting of Au nanoparticles dispersed in a TiO2 dielectric matrix

Characterization of CoFeB electrodes for tunnel junctions

Charging effects in CdSe nanocrystals embedded in SiO2 matrix produced by rf magnetron sputtering

Composition analysis of the insulating barrier in magnetic tunnel junctions by grazing angle of incidence RBS

article

Continuous stopping power curves of Al2O3 for 0.2–2.5 MeV He ions

CrAlSiN barrier layer to improve the thermal stability of W/CrAlSiNx/CrAlSiOyNx/SiAlOx solar thermal absorber

scholarly article

Degradation of Structural and Optical Properties of InGaN/GaN Multiple Quantum Wells with Increasing Number of Wells

scientific article published in 2003

Deposition temperature influence on the wear behaviour of carbon-based coatings deposited on hardened steel

scholarly article

Determination of molecular stopping cross section of 12C, 16O, 28Si, 35Cl, 58Ni, 79Br, and 127I in silicon nitride

Effect of free layer thickness and shape anisotropy on the transfer curves of MgO magnetic tunnel junctions

article by P. Wiśniowski et al published 3 March 2008 in Journal of Applied Physics

Efficient dipole-dipole coupling of Mott-Wannier and Frenkel excitons in (Ga,In)N quantum well/polyfluorene semiconductor heterostructures

scientific article published on 31 July 2007

Electrical and Raman scattering studies of ZnO:P and ZnO:Sb thin films

scientific article published on 01 April 2010

Electrical insulation properties of RF-sputtered LiPON layers towards electrochemical stability of lithium batteries

scientific article published on 3 November 2016

Electrical properties of AlNxOy thin films prepared by reactive magnetron sputtering

Electrochemical behaviour of nanocomposite Agx:TiN thin films for dry biopotential electrodes

Electrode roughness and interfacial mixing effects on the tunnel junction thermal stability

Erratum: Efficient dipole-dipole coupling of Mott-Wannier and Frenkel excitons in(Ga,In)Nquantum well/polyfluorene semiconductor heterostructures [Phys. Rev. B76, 035344 (2007)]

scientific article published on 7 February 2008

Evolution of the functional properties of titanium–silver thin films for biomedical applications: Influence of in-vacuum annealing

scholarly article by C. Lopes et al published January 2015 in Surface & Coatings Technology

Evolution of the mechanical properties of Ti-based intermetallic thin films doped with different metals to be used as biomedical devices

scholarly article

Exchange bias of MnPt/CoFe films prepared by ion beam deposition

article

Functional and optical properties of Au:TiO2 nanocomposite films: The influence of thermal annealing

Growth and characterisation of amorphous carbon films doped with nitrogen

Growth and characterization of Mn-doped ZnO/TiO2 multilayer nanostructures grown by pulsed laser deposition

High Resolution and Differential PIXE combined with RBS, EBS and AFM analysis of magnesium titanate (MgTiO3) multilayer structures

scientific article published in June 2010

IBA study of SiGe/SiO2 nanostructured multilayers

In-depth elemental characterization of Cu(In,Ga)Se2 thin film solar cells by means of RBS and PIXE techniques

Influence of Al/Si atomic ratio on optical and electrical properties of magnetron sputtered Al1-xSixOy coatings

scholarly article

Influence of RF-sputtering power on formation of vertically stacked Si1−xGexnanocrystals between ultra-thin amorphous Al2O3layers: structural and photoluminescence properties

Influence of annealing conditions on the formation of regular lattices of voids and Ge quantum dots in an amorphous alumina matrix

scientific article published on 20 September 2012

Influence of the deposition parameters on the growth of SiGe nanocrystals embedded in Al2O3 matrix

International Atomic Energy Agency intercomparison of ion beam analysis software

scientific article

Intrinsic p type ZnO films deposited by rf magnetron sputtering.

scientific article published in February 2009

Investigations of p-type signal for ZnO thin films grown on (100) GaAs substrates by pulsed laser deposition

scientific article published in March 2006

LibCPIXE: A PIXE simulation open-source library for multilayered samples

scientific article published in 2006

Memory effect on CdSe nanocrystals embedded in SiO2 matrix

Metallic filamentary conduction in valence change-based resistive switching devices: the case of TaOx thin film with x∼ 1

scientific article published on 09 September 2019

Mn-doped ZnO nanocrystals embedded in Al2O3: structural and electrical properties.

scientific article

Multilayers of Ge nanocrystals embedded in Al2O3 matrix: Structural and electrical studies

N-Doped Photocatalytic Titania Thin Films on Active Polymer Substrates

scientific article published on 01 February 2010

Nanocomposite Ag:TiN thin films for dry biopotential electrodes

New experimental molecular stopping cross section data of Al2O3, for heavy ions

Optical performance of thin films produced by the pulsed laser deposition of SiAlON and Er targets

scientific article published in May 2015

Optimization Of A Mass Spectrometry Process

Optimization of nanocomposite Au/TiO 2 thin films towards LSPR optical-sensing

RBS and XRD analysis of SiGe/Ge heterostructures for p-HMOS applications

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

article published in 2012

Structural and optical characterization of Eu-implanted GaN

Structural and optical studies of Au doped titanium oxide films

scholarly article by E. Alves et al published February 2012 in Nuclear Instruments & Methods in Physics Research B

Structural study of Si1−xGex nanocrystals embedded in SiO2 films

scientific article

Study of the electrical behavior of nanostructured Ti–Ag thin films, prepared by Glancing Angle Deposition

Summary of “IAEA intercomparison of IBA software”

scientific article

Surface Plasmon Resonance Effect on the Optical Properties of TiO 2 Doped by Noble Metals Nanoparticles

The effect of metal-rich growth conditions on the microstructure of ScxGa1−xN films grown using molecular beam epitaxy

scientific article published on 24 August 2015

The influence of annealing treatments on the properties of Ag:TiO2 nanocomposite films prepared by magnetron sputtering

TiAgx thin films for lower limb prosthesis pressure sensors: Effect of composition and structural changes on the electrical and thermal response of the films

article

TiO2coatings with Au nanoparticles analysed by photothermal IR radiometry

Total reflectance and Raman studies in AlyInxGa1-x-yN epitaxial layers

scientific article published in January 2010

Towards truly simultaneous PIXE and RBS analysis of layered objects in cultural heritage

article by Carlos Pascual-Izarra et al published August 2007 in Nuclear Instruments & Methods in Physics Research B

Transport and photoluminescence of hydrogenated amorphous silicon–carbon alloys

scientific article published in September 1995

Tribological characterization of TiO 2 /Au decorative thin films obtained by PVD magnetron sputtering technology

Tuning of the surface plasmon resonance in TiO2/Au thin films grown by magnetron sputtering: The effect of thermal annealing

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

Tunnel junctions with AlN barriers and FeTaN electrodes

article published in 2001

XRD analysis of strained Ge–SiGe heterostructures on relaxed SiGe graded buffers grown by hybrid epitaxy on Si(001) substrates