Search Results - "Msimanga, M"
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Semi-empirical parameterization of HI/p L-shell X-ray production cross section ratios in Bi for Heavy Ion PIXE
Published in Scientific reports (28-11-2023)“…Quantitative analysis of materials from Heavy Ion PIXE spectra remains impeded by the lack of reliable X-ray production cross section (XPCS) data. Although…”
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2
Changes in electrical properties and conduction mechanisms of Pd/n-Si diodes due to niobium dopant
Published in Materials science & engineering. B, Solid-state materials for advanced technology (01-11-2021)“…•I-V and C-V characteristics of Schottky diodes fabricated on undoped and Nb-doped Si have been studied.•Changes in charge distribution mechanism in Si due to…”
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3
Measurement of L-shell X-ray production cross sections in 89Y, 158Gd and 209Bi due to 0.3 MeV/u – 1.0 MeV/u 12C ions
Published in Applied radiation and isotopes (01-11-2021)“…Experimental heavy ion induced X–ray production cross sections in matter continue to be of importance for both fundamental ion-atom collision studies as well…”
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4
Measurement of 12Cq+ and 35Clq+ ion induced X-ray production cross sections in V, Zr and Sn metal oxide films at 0.1 MeV/u - 1.0 MeV/u energies
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-11-2020)“…Experimental X-ray production cross sections in matter are key to fundamental ion-atom interaction studies. They also find practical applications such as in…”
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5
Microstructural, optical properties and thermal stability of MgO/Zr/MgO multilayered selective solar absorber coatings
Published in Solar energy (01-01-2015)“…•MgO/Zr/MgO selective solar absorber was fabricated using e-beam evaporator.•Solar absorptance ∼0.92 and low thermal emittance ∼0.09 was achieved.•MgO/Zr/MgO…”
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6
The effects of helium, strontium, and silver triple ions implanted into SiC
Published in Heliyon (01-10-2023)“…The effects of helium (He), silver (Ag) and strontium (Sr) ions triple implanted into polycrystalline silicon carbide (SiC) were investigated. Ag ions of…”
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7
K-shell X-ray production cross sections in Ti by 0.3–1.0MeV/u 12C and 28Si ions for heavy ion PIXE
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-08-2016)“…An inhibiting factor in the implementation of heavy ion PIXE is that heavy ion X-ray production cross sections are not well known for many materials. This…”
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8
Heavy ion elastic recoil detection analysis of AlxOy/Pt/AlxOy multilayer selective solar absorber
Published in Applied surface science (15-04-2014)“…•AlxOy/Pt/AlxOy solar absorber was thermally stable in air up to 500°C for 2h.•AlxOy/Pt/AlxOy solar absorber was investigated using HI-ERDA.•The cause of…”
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9
Sputtering of bismuth thin films under MeV Cu heavy ion irradiation: Experimental data and inelastic thermal spike model interpretation
Published in Surface and interface analysis (01-03-2018)“…The sputtering of bismuth (Bi/Si) thin films deposited onto silicon substrates and irradiated by swift Cuq+ heavy ions (q = +4 to +7) was investigated by…”
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10
Ion beam effects of 26.0MeV Cu7+ ions in thin metallic and insulating films during Heavy Ion ERDA measurements
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-04-2015)“…We report on an investigation carried out to determine effects of the probing beam on the structure of typical metallic and insulating thin films during…”
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11
Stopping force of Ti for 6⩽Z⩽29 ions measured by time of flight spectrometry
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-04-2015)“…Accurate stopping force data is of vital importance in ion beam materials analysis using heavy ion beams. The predictive accuracy of theoretical and…”
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12
Slowing down of 2–11MeV 12C, 16O, 28Si and 63Cu heavy ions through Si3N4 thin foil by using Time-of-Flight spectrometry
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-03-2016)“…The stopping force and the energy-loss straggling of 63Cu, 28Si, 16O and 12C partially stripped heavy ions crossing silicon nitride foil has been determined…”
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13
The new Heavy Ion ERDA set up at iThemba LABS Gauteng: Multilayer thin film depth profiling using direct calculation and Monte Carlo simulation codes
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-02-2013)“…► A new Heavy Ion ERDA set up has been constructed at iThemba LABS Gauteng. ► A bi-layer Al2O3/Ti film stack was prepared by electron beam evaporation,…”
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14
Electronic stopping power data of heavy ions in polymeric foils in the ion energy domain of LSS theory
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-11-2015)“…•Stopping power of heavy ions crossing thin polymeric foils such as: Formvar, Polypropylene and Mylar.•The heavy ion elastic recoil detection analysis (HIERDA)…”
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15
Thermal spike model interpretation of sputtering yield data for Bi thin films irradiated by MeV 84Kr15+ ions
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-07-2015)“…A modified thermal spike model initially proposed to account for defect formation in metals within the high heavy ion energy regime is adapted for describing…”
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16
Energy loss measurements of 63Cu, 28Si and 27Al heavy ions crossing thin Polyvinylchloride (PVC) foil
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-11-2015)“…Experimental stopping data of, 63Cu, 28Si and 27Al heavy ions in thin Polyvinylchloride (H3C2Cl1) foil have been obtained over the 0.045–0.50MeV/nucleon energy…”
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Determination of molecular stopping cross section of 12C, 16O, 28Si, 35Cl, 58Ni, 79Br, and 127I in silicon nitride
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-10-2015)“…Silicon nitride is a technologically important material in a range of applications due to a combination of important properties. Ion beam analysis techniques,…”
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18
Characterisation of natural and enriched oxygen targets in lithium carbonate foils
Published in Journal of radioanalytical and nuclear chemistry (01-09-2015)“…A method for making oxygen targets in a form of lithium carbonate compound is described. Targets were prepared for nuclear physics experiments which required…”
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19
Iodine assisted retainment of implanted silver in 6H-SiC at high temperatures
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-09-2014)“…The effect of high temperature thermal annealing on the retainment and diffusion behaviour of iodine (I) and silver (Ag) both individually and co-implanted…”
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20
Diffusion characteristics of gold in silicon and electrical properties of silicon diodes used for developing radiation-hard detectors
Published in Materials science & engineering. B, Solid-state materials for advanced technology (15-02-2006)“…Low-resistivity n-type silicon has been doped with gold and characterised using Rutherford backscattering spectrometry and Hall effect measurements. Schottky…”
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