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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"Diffraction Spectroscopy"”.
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Diffraction spectroscopy of metalloproteins
… atomic form factors are carried over to the diffraction intensities. The atomic form factors are sensitive not only to the the energy of the X-ray but also the diffraction criteria; providing individual local physical data at different ratios in various diffractions. This process is referred …
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Lithostratigraphic and Geochemical Characterisation of the Waterberg Coalfield: Implications to Acid Mine Drainage, Limpopo Province, South Africa
… such as, Scanning electron microscopy, X-ray diffraction spectroscopy, X-ray fluorescence spectroscopy, proximate analysis, Modified Sobek Acid Base Accounting test as well as petrographic study. The major rock types identified in the study area included shale, sandstone and gritstone. Coal …
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Material properties and mechanical behaviour of large-scale additively manufactured multi-layered steels
… from is discussed by the use of electron diffraction spectroscopy, digital image correlation, microhardness, and electron backscatter diffraction.
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Electrochemical nanomoulding through proteins
… Characterization involved imaging, electron diffraction, spectroscopy, and three-dimensional reconstruction. The S-layer protein of D. radiodurans was further subjected to an atomic force microscope based assay to determine the integrity of its structure and long-range order and was found to …
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Data-driven Modeling of Lithium Intercalation Materials
… a number of tools including microscopy, diffraction, spectroscopy, and impedance exist to probe and measure from single active particles to the whole cell, but traditional modeling approaches fail to capture all the available information. With the arrival of high-throughput computation …
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Synthesis of Silicone Magnetic Fluids for Use in Eye Surgery
… the dispersions are cast from toluene. Electron diffraction spectroscopy reveals that the cobalt nanoparticles have fcc crystal structures. TEM shows non-aggregated cobalt nanoparticles with narrow size distributions, which are evenly surrounded with copolymer sheaths. However, some degree of …
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Polymer Stabilized Magnetite Nanoparticles and Poly(propylene oxide) Modified Styrene-Dimethacrylate Networks
… of ~66 - 78 emu/g Fe3O4. Powder X-ray diffraction (XRD) confirms the magnetite crystal structure, which appears to be approximately single crystalline structures via electron diffraction spectroscopy analysis (EDS). These materials form stable magnetic dispersions in both water and …
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Growth of Semiconductor Thin Films by Pulsed Laser Deposition
… electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction spectroscopy, Raman spectroscopy and ellipsometry were used to analyze the structures and properties of ZnO and SnO2 thin films. The critical temperature required to fabricate a crystalline ZnO thin film by pulsed …
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Green Carbon Quantum Dots Based Electrochemical Sensors for Analysis of Neurotransmitters
… were achieved through Fourier Transform infrared spectroscopy (FT-IR), UV-visible spectroscopy, x-ray diffraction spectroscopy (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The preparation of the banana peel precursor used for the green carbon quantum dots …
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Evaluation of potential acid mine drainage: A case study of the Albert Silver Mine, Mpumalanga Province, South Africa
… carbonate minerals were investigated using X-ray diffraction spectroscopy and petrographic studies. The current status of acid mine generation of the site was also studied through water quality analysis of the Moses River. Static and kinetic tests acid mine drainage prediction techniques were …
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Sulfur Implanted GaSb for Non-Epitaxial Photovoltaic Devices
… gallium arsenide (GaAs) substrate. X-ray Diffraction spectroscopy (XRD) and Atomic Force Microscopy (AFM) indicate that the post-implant anneal of 600 for 10 s repaired the implant damage in the bulk material, but left behind a damaged surface layer composed of coalesced vacancies. While …
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Structure-Property Relations on Strain-Mediated Multiferroic Heterostructures
… changes of BFO were also studied using neutron diffraction spectroscopy under E. Then, CoFe2O4(CFO)/tetragonal BFO nanocomposites were successfully fabricated on top of (001)-oriented LaAlO3 single crystal substrates. The surface morphology, crystal structure, magnetic properties, and ME effects …
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Analysis of damage mechanisms in boronized TZM tiles from Alcator C-Mod fusion reactor operations
… and optical microscopy, energy dispersive X-ray spectroscopy, and X-ray diffraction spectroscopy. Ultimately, the diverse sets of data gathered through these techniques provided for a fairly cohesive rationalization of the damage mechanisms present. In the case of the divertor tiles, no thermal …
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Hydrothermal synthesis and optimisation of zeolite Na-P1 from South African coal fly ash
… by X-Ray fluorescence spectrometry, X-ray powder diffraction, scanning electron microscopy, and transmission electron microscopy. Other characterization technique used in the study were Fourier transform infrared spectroscopy to provide structural information and also monitor evolution of …
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TiO2 and ZnO metal oxides lattice defects driven magnetism and their contribution in discoloring of dyes
… by various techniques such as X-ray diffraction spectroscopy, scanning electron microscopy, and atomic force microscopy among others. A close connection between photocatalytic degradation performance and photo-excited electron recovery/relaxation was observed. It was found that longer …
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The effect of vanadium oxidation states on the conversion of hydrogen sulphide to elemental sulphur
… quality of elemental sulphur were X-ray powder Diffraction Spectroscopy (XRD), Differential Scanning Calorimetry (DSC), Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES), gravimetric and Particle Size Distribution (PSD) analyses. The first set of experiments was conducted at …
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Selective area growth of gallium nitride y plasma-assisted molecular beam epitaxy or wide and ultra-wide bandgap power device applications
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01
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Prehnite at the Atomic Scale: Al/Si Ordering, Hydrogen Environment, and High-Pressure Behavior
… samples of prehnite, single-crystal X-ray diffraction data at ambient conditions were collected on four single crystals of prehnite from different localities. The positions of the H atoms have been determined for the first time, from a combination of X-ray and neutron diffraction data. The …