Investigation of the formation of defects under fast neutrons and gamma irradiation in 3C–SiC nano powder

MN Mirzayev, BA Abdurakhimov, E Demir… - Physica B: Condensed …, 2021 - Elsevier
In this work cubic phase, silicon carbide nano-powders were irradiated at the high-flux
pulsed reactor IBR–2 (Dubna, Russia). The 3C–SiC powder was irradiated with neutron …

Helium and strontium co-implantation into SiC at room temperature and isochronal annealing: structural evolution of SiC and migration behaviour of strontium

T Mokgadi, Z Abdalla, H Abdelbagi… - Materials Chemistry and …, 2023 - Elsevier
Understanding the structural evolution of SiC implanted with fission product surrogates in
the presence of helium (He) is of importance for its application in both fission and fusion …

[HTML][HTML] Effect of a silicon dioxide diffusion barrier layer and its sublimation on the migration of strontium implanted into SiC

HAA Abdelbagi, EG Njoroge, TM Mohlala… - Materials Chemistry and …, 2023 - Elsevier
Thin film diffusion barriers are inevitable in nuclear reactors for preventing the release of
radioactive waste products. The combination of chemical stable silicon carbide (SiC) and …

Helium assisted migration of silver implanted into SiC

TT Hlatshwayo, CE Maepa, M Msimanga, M Mlambo… - Vacuum, 2021 - Elsevier
The effects of helium (He) in the migration behaviour of silver (Ag) implanted into
polycrystalline siclicon carbide (SiC) was investigated. Polycrystalline SiC wafers were first …

The migration behaviour of strontium co-implanted with helium into SiC at room temperature and annealed at temperatures above 1000 oC

TT Hlatshwayo, TF Mokgadi, A Sohatsky, ZAY Abdalla… - Vacuum, 2024 - Elsevier
The study investigated the migration behaviour of Sr implanted into SiC in the presence of
helium (He). Sr ions were implanted into polycrystalline SiC samples (Sr-SiC) at room …

The influence of helium-induced defects on the migration of strontium implanted into SiC above critical amorphization temperature

TF Mokgadi, ZAY Abdalla, M Madhuku… - Frontiers in …, 2023 - frontiersin.org
The presence of radiation-induced defects and the high temperature of implantation are
breeding grounds for helium (He) to accumulate and form He-induced defects (bubbles …

The effects of helium, strontium, and silver triple ions implanted into SiC

G Ntshobeni, ZAY Abdalla, TF Mokgadi, M Mlambo… - Heliyon, 2023 - cell.com
The effects of helium (He), silver (Ag) and strontium (Sr) ions triple implanted into
polycrystalline silicon carbide (SiC) were investigated. Ag ions of 360 keV were first …

Effects of swift heavy ion irradiation and annealing on the microstructure and recrystallizationof SiC pre-implanted with Sr ions

HAA Abdelbagi, TAO Jafer, VA Skuratov… - Frontiers in Nuclear …, 2022 - frontiersin.org
Polycrystalline SiC wafers were implanted with 360 keV strontium (Sr) ions at room
temperature (RT) to a fluence of 2× 1016 cm− 2. Some of the implanted samples were …

[HTML][HTML] Effects of helium (He) bubbles and annealing on the structural evolution and migration behavior of silver (Ag) implanted into polycrystalline SiC at 350° C

SZ Mtsi, A Sohatsky, ZAY Abdalla, EG Njoroge… - Vacuum, 2023 - Elsevier
The effects of helium (He) bubbles and annealing on the structural evolution and the
migration of silver (Ag) implanted into polycrystalline silicon carbide were investigated. Ag …

Defect formation energies of Ag-and Sr-doped 3C-SiC: A first-principles study

S Sholihun, HS Bagariang, M Absor, A Ulil… - International Journal of …, 2023 - ir.lib.ugm.ac.id
In this study, we conduct calculations of Ag-and Sr-doped in 3C-SiC using density-
functional. To model defective systems, we dope Ag and Sr atoms in substitutional and …