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Št. zadetkov: 17
ǂThe ǂinfluence of hydrogen isotopes on the behaviour of crystal lattice defects in tungsten
Matic Pečovnik, Sabina Markelj
Doktorska disertacija
Oznake: hydrogen isotopes;tungsten;lattice defects;defect stabilization;
Tungsten (W) is one of the primary candidates for a plasma facing material in future fusion tokamak reactors, as it has good thermal properties and low intrinsic hydrogen isotope (HI) retention. Unfortunately, HI retention will be increased by many orders of magnitude due to HI trapping in lattice d ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Biotično zatiranje plevela s patogenimi glivami
Sabina Markelj, Franci Aco Celar
Diplomsko delo
Oznake: rastlinski škodljivci;pleveli;zatiranje plevela;biotično zatiranje;patogene glive;
Biotično zatiranje plevela s patogenimi glivami
Leto: 2010 Vir: Biotehniška fakulteta (UL BF)
Vpliv velikosti kristalnih zrn na transport vodikovih izotopov v volframu
Matic Pečovnik, Primož Pelicon, Sabina Markelj
Magistrsko delo
Oznake: fizika trdne snovi;volfram;devterij;površinski procesi;domene;analiza z jedrskimi reakcijami;spektroskopija s termično desorpcijo;
Vpliv velikosti kristalnih zrn na transport vodikovih izotopov v volframu
Leto: 2017 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Interaction of atomic hydrogen with materials used for plasma-facing wall in fusion devices
Anže Založnik, Primož Pelicon, Sabina Markelj
Doktorska disertacija
Oznake: fusion reactors;vibrational spectroscopy;hydrogen;deuterium;tungsten;diffusion;nuclear reaction analysis;thermodesorption spectroscopy;
Interaction of atomic hydrogen with materials used for plasma-facing wall in fusion devices
Leto: 2016 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Development of ion beam technique for detection of displacement damage in materials
Roberto Galende, Primož Pelicon, Sabina Markelj, Payman Jalali
Magistrsko delo
Oznake: nuclear engineering;nuclear reactors;radiation damage;annealing;spectrometry;channeling;
The high-energy neutrons from fission reactions cause displacement damage in the materials in fission power plants. It is important to study how these defects influence the material’s properties for a safe operation of a reactor. Rutherford backscattering spectrometry (RBS) in channeling configurati ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Effects of hydrogen dissociation during gas flooding on formation of metal hydride cluster ions in secondary ion mass spectrometry
Jernej Ekar, Sabina Markelj, Miran Mozetič, Rok Zaplotnik, Janez Kovač
Izvirni znanstveni članek
Oznake: hydrogen atmosphere;molecule dissociation;gas flooding;cluster ions;secondary ion mass spectrometry;
The application of hydrogen flooding was recently shown to be a simple and effective approach for improved layer differentiation and interface determination during secondary ion mass spectrometry (SIMS) depth profiling of thin films, as well as an approach with potential in the field of quantitative ...
Leto: 2024 Vir: Institut Jožef Stefan (IJS)
Influence of near-surface helium on the deuterium retention and uptake in tungsten
Sabina Markelj, Thomas Schwarz-Selinger, Andreja Šestan, Janez Zavašnik, Mitja Kelemen
Izvirni znanstveni članek
Oznake: deuterium retention;displacement damage;
The effect of near-surface helium (He) on deuterium (D) retention and uptake into the bulk of tungsten (W) was investigated. To quantify the He influence on D uptake, He was implanted close to the surface with 3 keV energy at different fluences and different temperatures. 20 MeV W irradiation was pe ...
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Unveiling the radiation-induced defect production and damage evolution in tungsten using multi-energy Rutherford backscattering spectroscopy in channeling configuration
Sabina Markelj, Janez Zavašnik, Esther Punzón Quijorna, Andreja Šestan, Mitja Kelemen
Izvirni znanstveni članek
Oznake: presevna elektronska mikroskopija;tungsten;defects;Rutherford backscattering spectroscopy in channeling configuration;displacement damage;molecular dynamic simulations;transmission electron microscopy;
Radiation-induced defect production in tungsten was studied by a combination of experimental and simulation methods. The analysis of structural defects was performed using multi-energy Rutherford backscattering spectroscopy in channeling configuration (multi-energy C-RBS). To create different micros ...
Leto: 2024 Vir: Institut Jožef Stefan (IJS)
Electron screening in lithium-induced nuclear reactions
Aleksandra Cvetinović, Matej Lipoglavšek, Mitja Kelemen, Miha Čekada, Sabina Markelj, Thomas Schwarz-Selinger
Izvirni znanstveni članek
Oznake: electron screening;
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Deuterium retention in tungsten, tungsten carbide and tungsten-ditungsten carbide composites
Petra Jenuš, Anže Abram, Saša Novak, Mitja Kelemen, Matic Pečovnik, Thomas Schwarz-Selinger, Sabina Markelj
Izvirni znanstveni članek
Oznake: (di)volframov karbid;analiza z jedrskimi reakcijami;termalna desorpcijska spektroskopija;tungsten;(di)tungsten carbide;deuterium;nuclear reaction analysis;thermal desorption spectroscopy;
The selection of the most suitable material for the EU DEMO divertor is still underway. Current research focuses on the development of tungsten-based materials for plasma-facing applications. In addition to other requirements, the candidate material must also exhibit low intrinsic hydrogen isotope r ...
Leto: 2023 Vir: Institut Jožef Stefan (IJS)
Št. zadetkov: 17
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