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 46 for “"Auger Electron Spectroscopy (AES)"”.
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Filament-Assisted Chemical Vapor Deposition of Diamond and Its Mechanism
… were characterized by techniques such as Raman spectroscopy, X-ray diffraction (XRD), Auger electron spectroscopy (AES), and scanning electron microscopy (SEM).
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An electrochemical and surface analytical investigation of iron oxidation, passivation and corrosion inhibition
… presented. Ultrahigh vacuum surface analysis by Auger electron spectroscopy (AES), low energy electron diffraction (LEED), thermal desorption mass spectrometry (TDMS) and ion bombardment (depth profiling) was used to investigate iron oxide films formed on iron by gas phase oxygen exposure as well …
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Laser Chemical Vapor Deposition of Titanium Nitride and Process Diagnostics With Laser-Induced Fluorescence Spectroscopy
… Pulsed dye laser induced fluorescence (LIF) spectroscopy is used to obtain transient gas phase Ti atomic concentration above the substrate. Multi-wavelength pyrometry is applied to measure the surface temperature during deposition. Film thickness profiles are obtained by stylus profilometry, …
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Photolytic Laser-Induced Chemical Vapor Deposition for Aluminum Film Growth
… laser were investigated using optical emission spectroscopy, including time-resolved emission measurements. Position-resolved growth rate measurements were used to investigate film growth kinetics during photolysis of TMA using 248 nm light, and deposited films were analyzed using in-situ Auger …
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Development of Ti-Si-N and Ta-Si-N as diffusion barriers
… X-ray diffractometry (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), auger electron spectroscopy (AES) and annealing in a controlled ambient atmosphere"--Abstract, page iv.
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Segregation and Phase Dynamics in Supported Bimetallic Nanoparticles
… using silane (SiH$\sb4)$ is described. Using Auger electron spectroscopy (AES), Si was found to readily diffuse into the Pt substrate and sequentially form at least two unique intermetallic Pt-Si surface structural phases with $(\surd7$ x $\surd7)R\pm19.1\sp\circ$ and $(\surd19$ x …
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Coadsorption of anions and ultra-thin metal films on single crystal electrodes
… The anion and metal coverages from the Auger electron spectroscopy (AES) measurements were compared with results obtained by in situ radiochemical and electrochemical data. Using Low Energy Electron Diffraction (LEED), the structures of anions/underpotential deposition (UPD) admetals …
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Tribology and Micro-Chemistry of Sputter Deposited Composite Coatings on Honed Steel Substrates
… The composite coating chemistry was analyized by Auger Electron Spectroscopy (AES); in addition, AES was used to characterize the wear transfer mechanism between steel and the composite coating.
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An investigation of the temperature distribution induced during laser chemical vapor deposition (LCVD) of titanium nitride on titanium-aluminum-vanadium
… microstructure have been determined by Scanning Electron Microscopy (SEM), Auger Electron Spectroscopy (AES), and X-ray Photoelectron Spectroscopy (XPS).
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Structure and properties of titanium nitride-strengthened microlaminate metal matrix composites
… of the composites investigated. Scanning electron microscopy (SEM), cross-sectional transmission electron microscopy (TEM) and scanning Auger electron spectroscopy (AES) have been used to characterize the film morphology, the fracture behavior of the composites, and the nature of the …
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Kinetics and mechanisms of metal silicide formation
… measurement, x-ray diffraction, transmission electron microscopy (TEM), scanning transmission electron microscopy, and Auger electron spectroscopy (AES). Studies of the initial stage of the C49-TiSi$\sb2$ formation during isothermal anneal at 530$\sp\circ$C and anneal at 10$\sp\circ$C/m show …
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A Study of Amorphous Hydrogenated Titanium-Carbide Films: Structure, Stability, and Role of Hydrogen Doping
… compound tetraneopentyl-titanium. X-ray and electron diffraction studies confirmed the amorphicity of the coatings, while controlled-heating experiments emphasized their stability against crystallization to higher temperatures ((TURN)1100(DEGREES)C) than typical glassy metals. Analyses of the …
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Magnetic and critical behavior of thin terbium(0001)/tungsten(110) films studied by electron capture spectroscopy (ECS)
… substrates are prepared and their geometric, electronic and magnetic properties are studied. The atomic flatness and cleanness and the single-crystalline state of the W(110) substrates and the Tb films are checked using scanning tunneling microscopy (STM), Auger electron spectroscopy (AES) and …
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Characterization and Reactivity of Mo₂C
… using x-ray diffraction (XRD), x-ray photoelectron spectroscopy (XPS), CO chemisorption, and N₂ physisorption. The catalytic activity of the β-Mo₂C was tested for cumene hydrogenation under high pressure conditions, and the effect of sulfur and oxygen poisons on cumene hydrogenation was …
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Computer simulation of electron transport in solids with applications to materials analysis and characterization
… the MC strategies concerns the study of the electron-solid interaction (transport MC). Transport MC allows predicting the behavior of charged particles traveling through the matter and it has been widely utilized in many applications. Among them, on the side of the chemical analysis of the …
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Synthesis and characterization of metal-polyaniline thin films and membranes
… samples were analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) to investigate the microstructures of specimens. Auger electron spectroscopy (AES) and X- ray photoelectron spectroscopy (XPS) were employed to study the chemical bonding and …
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Extrinsic Fabry-Perot Interferometric hydrogen gas sensor
… variety of analytical tools, including Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (AES), and Auger Electron Spectroscopy (AES). The system is used to deposit thin films of palladium along a cylindrical EFPI fiber-optic sensor to produce a new fiber-optic hydrogen gas …
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Ferromagnetism of novel ultrathin films and multilayers: A study of Ru/C(0001) and Fe/Mn/Fe/Pd(100) using magneto-optic Kerr effect and spin-sensitive electron spectroscopies
… on the C(0001) graphite surface is studied using electron induced spin-polarized secondary electron emission (SPSEE). Below a surface Curie temperature of approximately 250K we find ferromagnetic order of the Ru monolayer. The growth mode of Ru on C(0001) is investigated by Auger electron …
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An Investigation of the Surface Properties of Sic For the Growth of Gan Thin Films and Epilayers
… the substrate. Surface analysis of the SiC using Auger Electron Spectroscopy (AES) and X-ray Photoelectron Spectroscopy (XPS) showed that thermal annealing of the SiC substrate induces graphitization at temperatures as low as 840 °C, but surface oxides are removed only at 940 °C. UHV Si-beam …
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Degradation mechanisms in La₀.₈Sr₀.₂CoO₃ as oxygen electrode bond layer in solid oxide electrolytic cells (SOECs)
… The approach in thesis integrated complementary spectroscopy and microscopy techniques in a novel manner to carry out the 'post-mortem' analysis of SOECs from a high level to a high resolution. Raman spectroscopy was employed to identify secondary phases on the top surface of LSC near the …
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