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Browsing Research Articles (University of Pretoria) by UP Author "Paradzah, Alexander Tapera"
Now showing items 1-12 of 12
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Omotoso, Ezekiel; Paradzah, Alexander Tapera; Igumbor, E.; Taleatu, B.A.; Meyer, Walter Ernst; Auret, Francois Danie (IOP Publishing, 2020-02-04)Please read abstract in the article.
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Omotoso, Ezekiel; Meyer, Walter Ernst; Auret, Francois Danie; Paradzah, Alexander Tapera; Diale, M. (Mmantsae Moche); Coelho, Sergio M.M.; Janse van Rensburg, Pieter Johan; Ngoepe, Phuti Ngako Mahloka (Elsevier, 2015-12)Current–voltage, capacitance–voltage and conventional deep level transient spectroscopy at temperature ranges from 40 to 300 K have been employed to study the influence of alpha-particle irradiation from an 241Am source ...
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Paradzah, Alexander Tapera; Auret, Francois Danie; Legodi, Matshisa Johannes; Omotoso, Ezekiel; Diale, M. (Mmantsae Moche) (Elsevier, 2015-09)Nickel Schottky diodes were fabricated on 4H-SiC. The diodes had excellent current rectification with about ten orders of magnitude between 50 V and +2 V. The ideality factor was obtained as 1.05 which signifies the ...
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Omotoso, Ezekiel; Meyer, Walter Ernst; Auret, Francois Danie; Paradzah, Alexander Tapera; Legodi, Matshisa Johannes (Elsevier, 2016-03)Deep-level transient spectroscopy (DLTS) and Laplace-DLTS were used to investigate the effect of alpha-particle irradiation on the electrical properties of nitrogen-doped 4H-SiC. The samples were bombarded with alpha-particles ...
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Omotoso, Ezekiel; Paradzah, Alexander Tapera; Legodi, Matshisa Johannes; Diale, M. (Mmantsae Moche); Meyer, Walter Ernst; Auret, Francois Danie (Elsevier, 2017-10)Please read abstract in the article.
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Paradzah, Alexander Tapera; Omotoso, Ezekiel; Legodi, Matshisa Johannes; Auret, Francois Danie; Meyer, Walter Ernst; Diale, M. (Mmantsae Moche) (Springer, 2016-08)The effect of high energy electron (HEE) irradiation on Ni/4H-SiC Schottky barrier diodes was evaluated by current-voltage (I-V) and capacitance-voltage (C-V) measurements at room temperature. Electron irradiation was ...
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Paradzah, Alexander Tapera; Maabong, Kelebogile; Elnour, Huzifa Mohammed Ahamed Mohammed; Singh, Asmita; Diale, M. (Mmantsae Moche); Kruger, T.P.J. (Tjaart) (American Chemical Society, 2019-07)Please read abstract in the article.
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Omotoso, Ezekiel; Meyer, Walter Ernst; Auret, Francois Danie; Paradzah, Alexander Tapera; Diale, M. (Mmantsae Moche); Coelho, Sergio M.M.; Janse van Rensburg, Pieter Johan (Elsevier, 2015-11)Please read abstract in the article.
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Nyarige, Justine Sageka; Paradzah, Alexander Tapera; Kruger, T.P.J. (Tjaart); Diale, M. (Mmantsae Moche) (MDPI, 2022-01-24)In this study, zinc-doped (a-Fe2O3:Zn), silver-doped (a-Fe2O3:Ag) and zinc/silver codoped hematite (a-Fe2O3:Zn/Ag) nanostructures were synthesized by spray pyrolysis. The synthesized nanostructures were used as photoanodes ...
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Paradzah, Alexander Tapera; Maabong-Tau, Kelebogile; Diale, M. (Mmantsae Moche); Kruger, T.P.J. (Tjaart) (Royal Society of Chemistry, 2020-11)Please read abstract in the article.
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Congolo, S.; Madito, M.J.; Paradzah, Alexander Tapera; Harrison, Arthur Justin; Elnour, Huzifa Mohammed Ahamed Mohammed; Kruger, T.P.J. (Tjaart); Diale, M. (Mmantsae Moche) (Springer, 2020-06)We report on the properties of hematite thin films prepared by spray pyrolysis on fluorine-doped tin oxide (FTO)-coated glass substrates and investigated the effect of the spray volume, tetraethoxysilicate treatment of the ...
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Paradzah, Alexander Tapera; Diale, M. (Mmantsae Moche); Maabong, Kelebogile; Kruger, T.P.J. (Tjaart) (Elsevier, 2018-04)Hematite is a widely investigated material for applications in solar water oxidation due primarily to its small bandgap. However, full realization of the material continues to be hampered by fast electron-hole recombination ...
Now showing items 1-12 of 12