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Browsing Theses and Dissertations (Physics) by Type "Thesis"
Now showing items 1-20 of 92
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(University of Pretoria, 2018)Silicon and indium tin oxide (ITO) are the active components of the modern day devices. ITO is the most used transparent conducting material (TC) in smartphones and other touch panel devices, because the required properties ...
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(University of Pretoria, 2016)Despite its favourability as a substrate in chemical vapour deposition (CVD), copper (Cu) substrate has a challenge of growing uniform large-area bilayer graphene films with continuous Bernal (AB) stacking. However, ...
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(University of Pretoria, 2024-02-28)This study involves the investigation into the hypernuclear and multi-lambda systems using the Jost-function method, as well as the recovery of the two-body potential from the two and three-body systems using the ...
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(University of Pretoria, 2019)Using a study of the connection between entanglement and quantum detailed balance as motivation, we define and study the concept of balance between two W -dynamical systems. Balance is defined in terms of certain correlated ...
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(University of Pretoria, 2019)In this thesis, density functional theory (DFT) calculations are performed to study the transition metal and chalcogen alloying of a molybdenum disul de (MoS2) monolayer for band gap engineering. The e ects of the foreign ...
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(University of Pretoria, 2022)In this thesis, “Characterization and performance evaluation of electrodeposition synthesized cobalt-nickel layered double hydroxide and composites for high-efficiency hybrid capacitor applications”, an efficient binder-free ...
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(University of Pretoria, 2010-05-26)Defects in semiconductors are crucial to device operation, as they can either be beneficial or detrimental to the device operation depending on the application. For efficient devices it is important to characterize the ...
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(University of Pretoria, 2019)The semiconducting properties and wide bandgaps of some metal oxides have made them useful in sensing applications and printed electronics. Doping of common metal oxides to achieve p-type conductivity and the formation of ...
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(University of Pretoria, 2012-05-08)Due to their great importance, both from the fundamental and from the practical points of view, it is imperative that the various facets of the concepts of information and entanglement are explored systematically in ...
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(University of Pretoria, 2015)Silicon (Si) has various applications in different technological fields as a structural material or a semiconductor. Cobalt disilicide is an attractive silicide for contact with Si because it has favourable properties such ...
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(University of Pretoria, 2019)The primary goal of this thesis is the study of the 1-loop partition function of critical topologically massive gravity, a theory conjectured to be dual to a logarithmic conformal field theory through the AdS3/LCFT2 ...
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(University of Pretoria, 2017)Generation IV high temperature nuclear reactors use TRISO (tristructural isotropic) particles for containment of radioactive fission products. In these particles silicon carbide (SiC) is the main barrier for containing ...
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(University of Pretoria, 2007-04-25)Please read the abstract in the section 00front of this document
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(University of Pretoria, 1995)The importance of ion implantation in physics and technology has steadily increased over the years. It is a reliable technique to introduce species into a target, altering the chemical, metallurgical, optical and electronic ...
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(University of Pretoria, 2022)The South African Naturally Occurring Radioactive Material (NORM) regulatory framework provides guidance on most matters associated with radiation protection within the mining and minerals processing sphere, but definitive ...
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(University of Pretoria, 2015)The diffusion and surface effects of several fission product elements implanted in SiC have been investigated. SiC is used as the main barrier for fission products in modern high temperature gas cooled reactors. An ...
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(University of Pretoria, 2019)In my PhD study glassy carbon samples were implanted with 250 keV europium ions at room temperature and at 100 oC. The main purpose of my study was to study the diffusion properties of the europium in the glassy carbon. After ...
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(University of Pretoria, 2010-07-27)SiC is used as the main diffusion barrier in the fuel spheres of the pebble bed modular reactor (PBMR). The PBMR is a modern high temperature nuclear reactor. However, the release of silver from the fuel spheres has raised ...
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(University of Pretoria, 2019)Glassy carbon also known as vitreous carbon has a number of special properties making it a very interesting material with many applications. It is a non-graphitizing carbon which combines glassy and ceramic properties with ...
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(University of Pretoria, 2007-06-18)Since the development of deep level transient spectroscopy (DLTS) in the 1970’s by Lang and others, the technique has become a powerful analytical tool to characterise the electrical properties of defects in semiconductors. ...
Now showing items 1-20 of 92