Global ETD Search
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 20 of 183 for “"Energy Dispersive X-Ray Spectroscopy"”.
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Characterisation of silicon nanoparticles produced by mechanical attrition using scanning electron microscopy, energy dispersive X-ray spectroscopy and X-ray photoemission spectroscopy
… top-down process of mechanical attrition by high energy milling.
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Glass population study and discrimination of glass samples using Glass Refractive Index Measurement III and scanning electron microscopy/energy dispersive X-ray spectroscopy
… index and the Scanning Electron Microscope and Energy Dispersive Spectroscopy (SEM/EDS) for elemental composition of each sample. Refractive index varies with glass depending on the manufacturing process and its added components and is defined as the ratio of the speed of light in a vacuum to …
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Mineral-Surface Chemistry of Hydroxyapatite and Urea-Rich Solutions
… modulated – infrared reflection-absorption spectroscopy (PM-IRRAS) to monitor structural changes of the mineral surface. Thin hydroxyapatite films were analyzed with scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDX), and PM-IRRAS before and after reaction. …
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The Degradation of Spatial Resolution in Thin Foil X-Ray Microchemical Analysis Due to Plural Scattering of Electrons
… of the compositional analysis obtainable using energy dispersive x-ray spectroscopy (EDS). Specifically, an attempt has been made to determine how the apparent microchemistry of a feature of finer dimensions than the broadened beam differs from the actual composition of the given feature.
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Sol-gel processing of RxY3-xAlyFe5-yO12 magneto-optical films
… for 4 hours. Samples were characterized via x-ray diffraction (XRD), magneto-optical loop tracer, scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDS), profilometry and optical microscopy.
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Characterisation of anode supported microtubular SOFC process on pure methane reduction and operation
… scanning electron microscope (FE-SEM) and Energy-Dispersive X-ray spectroscopy EDS results were analysed on the anode surface.
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Design of a recycling method for treated aluminum fuel
… to characterize the waste byproduct of a high energy density aluminum fuel in order to identify an effective recycling method. A sample of fuel waste was generated and viewed under a scanning electron microscope. The sample was then subjected to an energy-dispersive X-ray spectroscopy analysis …
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Thin Film Metallization and Protective Top-Coat Development
… techniques such as scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy and profilometery have been presented to examine different failure modes and identify the root cause of the failures. This analysis was used to improve the system in the …
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Magnetically assisted impaction mixing of nanosize particles
… field emission scanning electron microscope and energy dispersive x-ray spectroscopy were used at 5000 times magnification. The results obtained from images and compound percent point analysis shows that the new MAIM technique produces a mixture quality of nanoparticles similar to supercritical …
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Characterization of particles created by laser-driven hydrothermal processing
… techniques such as optical microscopy, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and energy dispersive X-ray spectroscopy. Examination of the untreated base material, in bulk and crushed form, established a baseline for comparison to particles …
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Synthesis and surface chemistry of zinc oxide nanowires for chemical sensor applications
… microscopy, transmission electron microscopy, x-ray diffraction, and energy dispersive x-ray spectroscopy were used to characterize morphology, crystal structure and composition. Surface functionalization behavior of pristine ZnO nanowires was tested by oleic acid as a model compound and the …
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Novel Synthesis and Characterization of Uranium-Zirconium Carbonitride by Direct Casting
… and rapid solidification. Additional energy dispersive x-ray spectroscopy, combustion analysis, and inert gas fusion analysis proved that the core regions have both uranium and zirconium and establish that carbon and nitrogen are retained during the fabrication process. Powder x-ray …
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Microstructures and mechanical properties of high pressure die cast A383 alloys
… A383 alloy will be investigated by quantitative energy dispersive x-ray spectroscopy (EDS) and electron backscatter diffraction (EBSD) methods. Secondly, the relationship between cast microstructures and mechanical properties under a range of casting compositions and conditions will be studied. …
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Influence of plasma proteins on setting characteristics of mineral trioxide aggregate like cement
… using scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX). The compressive strength of all cements increased with time whereas strut density and relative porosity decreased. Fibrinogen and γ-globulin increased setting time with increasing concentration while …
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Telluridm-induced corrosion of structural alloys for nuclear applications in molten salts
… °C using scanning electron microscopy (SEM) and energy-dispersive x-ray spectroscopy (EDS), a consistent corrosion rate could not be determined for any of the alloys, nor could confident identification of telluride compounds within the corrosion layer or grain boundaries of any alloy be made. …
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Materials Characterization and Spectroscopy for a Methane Abatement Catalyst
… and 950 C. Using materials characterization and spectroscopy techniques including scanning-electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), Brunauer-Emmett-Teller analysis (BET), differential scanning calorimetry (DSC), and X-ray diffraction (XRD), chemical and structural …
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Micro-analytical methodologies for the characterization of airborne inorganic pollutants collected on unconventional substrates
… by scanning electron microscopy coupled with energy dispersive x-ray spectroscopy (SEM-EDXS), the samples are analyzed with the higher resolution of transmission electron microscopy coupled with energy dispersive x-ray spectroscopy (TEM-EDXS) and selected area electron diffraction (SAED) in …
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Characterization of Diamond-Semiconductor Interfaces
… microscopy and chemical analysis by electron energy loss spectroscopy and energy dispersive X-ray spectroscopy. Variations in the changes occurring are studied both as a function of the method of diamond deposition (microwave plasma versus hot filament chemical vapor deposition) as well as …
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Electroless Nickel Plating and Spark Plasma Sintering of nano ZrO2 for Mechanical Property Enhancement
… using Scanning Electron Microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDX) and Transmission electron microscopy (TEM) to study the microstructure and coating characteristics. The coating was identified to be predominantly nickel and of 1 to 5 nm thickness. The plated powder was …
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Solid solubility of silver in the superconducting YBa₂Cu₃O compound
… 0 to 10 wt% were prepared and characterized by X-ray diffraction (XRD), optical microscopy, scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), wavelength dispersive X-ray spectroscopy (WDX), and secondary ion mass spectrometry (SIMS). The lattice parameters were …
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