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.
Results
Showing 1 to 20 of 24 for “"electronic behavior"”.
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Coarse-graining electronic behavior in condensed matter systems : from electrons to continuum elasticity
… matter systems are studied, whose dependency on electronic behavior is incorporated through coarse-grained interactions. Three specific systems are considered. In the first system of study, high momentum, plane wave states of the electronic wave function are coarse-grained, while the low momentum …
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Experimental And Theoretical Analysis Of The Electronic Behavior In Five-Coordinate Iron(iii) And Six-Coordinate Cobalt(iii) Complexes With Electroactive Phenol-Rich Ligands
… geometry, asymmetry, and slightly different electronic structures are able to foster phenoxyl radicals although show a sensitive dependence to both the solvent and the electrolyte system in the cyclic voltammetry. In the presence of TBAClO4 (1) exhibits a two-electron oxidation, whereas in …
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Social, Emotional, Cognitive, and Physiological Correlates of Electronic Social Behavior
… fostered to mitigate the risk for involvement in electronic bullying or victimization and almost no research examining positive electronic behavior. The primary goal of this dissertation was to use the General Aggression Model and Anxious Apprehension Model of Trauma to explore the underlying …
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Polymer-derived Ceramics: Electronic Properties And Application
In this work, we studied the electronic behavior of polymer-derived ceramics (PDCs) and applied them for the synthesis of carbon nanotube reinforced ceramic nanocomposites and ceramic MEMS (Micro-Electro-Mechanical Systems) structures. Polymer-derived SiCN ceramics were synthesized by pyrolysis of …
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Resonant Raman scattering studies of III-V semiconductor microstructures
… x}$Ga$\sb{\rm 1-x}$As alloy work emphasizes electronic behavior, migration enhanced epitaxy (MEE) studies highlight structural results, and a phonon-assisted lasing project underscores electron-phonon interaction.
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Effect of size and surface structure manipulation on the luminescent properties of silicon nanoclusters
… such structures may significantly alter their electronic behavior. Additionally, the effect of surface reconstruction becomes substantial at this scale. This work investigated electronic and structural properties of silicon nanoclusters. Electrochemical etching was used to produce particles …
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Electronic Coupling Effects and Charge Transfer between Organic Molecules and Metal Surfaces
… grown on graphite. We even achieve an efficient electronic decoupling from the subjacent Au(111) by inserting an atomically thin organic spacer layer consisting of hexa-peri-hexabenzocoronene (HBC) with a noticeably dissimilar electronic behavior. These observations are further consolidated by a …
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Integration of Single -Walled Carbon Nanotubes With Gallium Arsenide(110) and Indium Arsenide(110) Surfaces: A Scanning Tunneling Microscopy Study
… (STS) to investigate the physical and electronic behavior of single-walled carbon nanotubes (SWNTs) coupled to GaAs(110) and InAs(110) substrates in ultrahigh vacuum (UHV). Both flat and stepped III-V(110) surfaces were obtained through in situ cleavage and nanotubes subsequently …
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Towards the fabrication of suspended superconductor-graphene-superconductor Josephson junctions
… and theoretical study due to its unique electronic behavior. In this thesis, I present, my work with graduate student Joel Wang to design and fabricate Josephson junctions on high quality graphene samples. Using niobium, with its high critical magnetic field., as the superconducting …
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The Effect of Polarization and InGaN Quantum Well Shape in Multiple Quantum Well Light Emitting Diode Heterostructures
… may not be valid in modeling the devices' true electronic behavior. A simulation of a 3QW InGaN/GaN LED heterostructure with an AlGaN electron blocking layer is discussed in this paper. Polarization coefficients were reduced to 70% and 40% empirical values to simulate polarization shielding …
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Grazing Behavior of Beef Steers Grazing Endophyte-Infected, Endophyte-Free, and Novel Endophyte Infected Tall Fescue, and Lakota Prairie Grass
… of this experiment was to determine the grazing behavior of cattle grazing Lakota (L) prairie grass (Bromus catharticus Vahl.), endophyte infected (E+), endophyte free (E-), and novel endophyte (Q) tall fescues. Angus-crossbred steers (279±8 kg) steers wore electronic behavior data recorders in …
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Semi-Empirical Studies on Electronic Properties and Applications of Carbon Nanotubes
… tight-binding model to investigate the electronic properties and applications of carbon nanotubes. First, we study the transverse dielectric response and discuss its dependence on nanotube geometry, field strength and position of the Fermi level. We find significant modification of the …
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Resonant Raman scattering studies of III-V semiconductor microstructures
… Raman utility. AlxGa 1_xAs alloy work emphasizes electronic behavior, migration enhanced epitaxy (MEE) studies highlight structural results, and a phonon-assisted lasing project underscores electron-phonon interaction. The disorder-induced frequency difference between the dipoleforbidden and …
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Magnetism in Two-Dimensional van der Waals Materials
… crystals are a rich proving ground for exploring electronic behavior confined to two dimensions. Since the discovery of graphene in 2004, a large family of crystals has been isolated in the ultrathin limit, hosting a range of different properties, including semiconductors, superconductors, and …
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Synthesis of large-area two-dimensional materials for vertical heterostructures
… attention for applications in digital and analog electronics, flexible electronics, optical applications, and sensors. In particular, 2D vertical heterostructures composed of TMDs have a number of interesting applications, including digital logic, analog communications systems, and optical …
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Understanding the viability of impurity-band photovoltaics : a case study of S-doped Si
This thesis explores the electronic structure, optical properties, and carrier lifetimes in silicon that is doped with sulfur beyond the equilibrium solid solubility limit, with a focus on applications as an absorber layer for an impurity-band photovoltaic device. The concept of an impurity-band …
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Iron spin crossovers at high pressures and temperatures and their effects on materials relevant tot he Earth’s lower mantle and core
… it is of vast importance to understand the behavior of iron in mineral phases at the temperature and pressure conditions of the Earth’s interior. This cumulative thesis investigates Fe spin crossovers in iron-containing magnesium aluminum silicates, iron-bearing silicate glasses, the iron …
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Characterization and control of non-stoichiometry in Pr₀.₁Ce₀.₉O₂-[d̳e̳l̳t̳a̳] thin films : correlation with SOFC electrode performance
… system as a model system given its mixed ionicelectronic conductivity, well described defect equilibria and transport properties, and stability over with limits of temperature and oxygen partial pressure. PrCel-02-6 (PCO) thin films with x=0.01, 0.10 and 0.20 were prepared as thin film cathodes …
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Structural Determination of Copolymers from the Cross-catalyzed Reactions of Phenol-formaldehyde and Polymeric Methylenediphenyl Diisocyanate
… reactions of PF and pMDI prepolymers. The electronic behavior of phenolic monomers as perturbed by alkali metal hydroxides in an aqueous environment was studied with 1H and 13C NMR. Changes in electronic structure and thus reactivity were related to solvated ionic radius, solvent dielectric …
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