A5066677047- GaN-based semiconductor devices and materials
- Semiconductor materials and devices
- ZnO doping and properties
- Metal and Thin Film Mechanics
- Ga2O3 and related materials
- Fusion materials and technologies
- Ion-surface interactions and analysis
- Nuclear Materials and Properties
- Electronic and Structural Properties of Oxides
- Silicon Nanostructures and Photoluminescence
- Semiconductor Quantum Structures and Devices
- Magnetic confinement fusion research
- Semiconductor materials and interfaces
- Thin-Film Transistor Technologies
- Nuclear materials and radiation effects
- Copper-based nanomaterials and applications
- Gas Sensing Nanomaterials and Sensors
- Chalcogenide Semiconductor Thin Films
- Diamond and Carbon-based Materials Research
- Luminescence Properties of Advanced Materials
- Advanced materials and composites
- Acoustic Wave Resonator Technologies
- Nuclear Physics and Applications
- Ferroelectric and Piezoelectric Materials
- Glass properties and applications
The University of Texas Southwestern Medical Center
2025
University of Lisbon
2015-2024
Instituto Superior Técnico
2015-2024
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento
2015-2024
Instituto Politécnico de Lisboa
2011-2023
Polish Academy of Sciences
2021
TARH (Portugal)
2006-2020
Royal Military Academy
2020
CEA Grenoble
2010-2018
Centre National de la Recherche Scientifique
2010-2018
The main objective of the report at hand was to gather available and authorized data, both published unpublished, on nutrition health situation in countries European Union (EU). Whereas first report, released 2004, included 13 EU member states Norway, 2009 edition covers 24 Norway. For
Abstract The JET 2019–2020 scientific and technological programme exploited the results of years concerted engineering work, including ITER-like wall (ILW: Be W divertor) installed in 2010, improved diagnostic capabilities now fully available, a major neutral beam injection upgrade providing record power 2019–2020, tested technical procedural preparation for safe operation with tritium. Research along three complementary axes yielded wealth new results. Firstly, plasma delivered scenarios...
Abstract In 2021 JET exploited its unique capabilities to operate with T and D–T fuel an ITER-like Be/W wall (JET-ILW). This second major campaign (DTE2), after DTE1 in 1997, represented the culmination of a series enhancements—new fusion diagnostics, new injection capabilities, refurbishment plant, increased auxiliary heating, in-vessel calibration 14 MeV neutron yield monitors—as well as significant advances plasma theory modelling community. DTE2 was complemented by sequence isotope...
Strain and composition distributions within wurtzite InGaN/GaN layers are investigated by high-resolution reciprocal space mapping (RSM). We illustrate the potential of RSM to detect strain gradients independently. This information is extracted from elongation broadened lattice points (RLP) in asymmetric x-ray reflections. Three InxGa1−xN/GaN (nominal x=0.25) samples with layer thickness 60, 120, 240 nm, were grown a commercial metal-organic chemical vapor deposition reactor. The RSMs around...
The 2014–2016 JET results are reviewed in the light of their significance for optimising ITER research plan active and non-active operation. More than 60 h plasma operation with first wall materials successfully took place since its installation 2011. New multi-machine scaling type I-ELM divertor energy flux density to is supported by principle modelling. relevant disruption experiments modelling reported a set three mitigation valves mimicking setup. Insights L–H power threshold Deuterium...
The provision of a particle and power exhaust solution which is compatible with first-wall components edge-plasma conditions key area present-day fusion research mandatory for successful operation ITER DEMO. work package plasma-facing (WP PFC) within the European programme complements laboratory experiments, i.e. in linear plasma devices, electron ion beam loading facilities, studies performed toroidally confined magnetic such as JET, ASDEX Upgrade, WEST etc. connection both groups done via...
Abstract For the past several years, JET scientific programme (Pamela et al 2007 Fusion Eng. Des . 82 590) has been engaged in a multi-campaign effort, including experiments D, H and T, leading up to 2020 first with 50%/50% D–T mixtures since 1997 ever plasmas ITER mix of plasma-facing component materials. this purpose, concerted physics technology was launched view prepare campaign (DTE2). This paper addresses key elements developed by directly contributing preparation. intense preparation...
Following the IAEA Technical Meeting on 'Advanced Methodologies for Analysis of Materials in Energy Applications Using Ion Beam Accelerators', this paper reviews current status ion beam analysis (IBA) techniques and some aspects ion-induced radiation damage materials field relevant to fusion. Available facilities, apparatus development, future research options challenges are presented discussed. The beryllium radioactivity-containing samples from experiments JET or ITER represents not only...
Pancreatic ductal adenocarcinoma (PDAC) is notably resistant to conventional chemotherapy and radiation treatment. However, clinical trials indicate that carbon ion radiotherapy (CIRT) with concurrent gemcitabine effective for unresectable locally advanced PDAC. This study aimed identify patient characteristics predictive of CIRT response. We utilized a panel human PDAC cell lines diverse genetic profiles determine their sensitivity compared γ-rays, assessing relative biological...
A depth-resolved study of the optical and structural properties wurtzite InGaN/GaN bilayers grown by metallorganic chemical vapor deposition on sapphire substrates is reported. Depth-resolved cathodoluminescence (CL) Rutherford backscattering spectrometry (RBS) were used to gain an insight into compositional profile a 75-nm thick InGaN epilayer in direction growth. CL acquired at increasing electron energies reveals peak shift about 25 meV blue when beam energy increased from 0.5...
Monte Carlo simulations of anomalous ion channeling in near-lattice-matched $\mathrm{AlInN}/\mathrm{GaN}$ bilayers allow an accurate determination the strain state AlInN by Rutherford backscattering or channeling. Although these estimates agree well with x-ray diffraction (XRD) results, XRD composition are shown to have limited accuracy, due a possible deviation from Vegard's law, which we quantify for this alloy. As InN fraction increases 13% 19%, films changes tensile compressive lattice...
The authors present a detailed study of Al1−xInxN layers covering the whole composition range 0.09<x<1. All were grown on GaN Si(111) templates using metal-organic vapor phase epitaxy. For 0.13<x<0.32 samples grow fully strained and without separation. At higher In concentrations, crystalline quality starts to deteriorate transition three-dimensional growth is observed. A comparison their experimental data with theoretically predicted diagrams reveals that biaxial...
We identify a dominant light-emitting center in ion-implanted $\text{GaN}:{\text{Eu}}^{3+}$ for which the lattice damage has been completely healed, according to x-ray diffraction and Rutherford backscattering spectrometry measurements, by high-temperature, high-pressure annealing. This is likely be isolated substitutional ${\text{Eu}}_{\text{Ga}}$ defect. It lacks ``subgap'' excitation band therefore no state GaN gap, shows threefold splitting of its ${^{7}\text{F}}_{2}$ level, with two...
Following the first JET ITER-like wall operations a detailed in situ photographic survey of main chamber and divertor was completed. In addition, selection tiles passive diagnostics were removed from vessel made available for post mortem analysis. From results initial analysis, conclusions regarding erosion, deposition, fuel retention material transport during limiter phases have been drawn. The rate deposition on inner outer base remote corners more than an order magnitude less preceding...
Nanocomposites consisting of a dielectric matrix, such as TiO2, with embedded noble metal nanoparticles (NPs) possess specific optical properties due to the surface plasmon resonance (SPR) effect, interesting for several applications. The aim this work is demonstrate that these are sensitive nanostructure magnetron-sputtered TiO2/Au thin films, which can be tuned by annealing. We study role shape and size distribution NPs, well influence crystallinity phase composition host matrix on...