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 293 for “"Surface morphology"”.
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Surface morphology of hydrogels and silicones correlates with conditions of controlled fracture
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-12-01
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Effects of Electrode Surface Morphology on the Transduction of Ionic Polymer-Metal Composites
… on investigating the effects of electrode surface morphology in the transduction of Pt and Pd-Pt electrodes-based IPMCs, with the aim to improve the electrode surface design and thereby enhance the transduction performance of the material. Firstly, the synthesis techniques are developed to …
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The surface morphology of a small drainage basin in the North Dakota Badlands
<p> To describe the surface morphology of a fourth order drainage basin located in the North Dakota Badland,, the writer made quanti tative application• of known descriptive techniques and morphological laws. </p><p> The surface configuration is a function of the study area's linear, areal, and …
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Surface Morphology Evolution of Epitaxial TiN(001) Layers Grown by Reactive Magnetron Sputtering
… a model system for insight on the evolution of surface morphology and microstructure in more complex polycrystalline films. Atomically-flat MgO substrates, prepared by air annealing at 950$\sp\circ$C for 12 hours, are verified by atomic force microscopy (AFM). Epitaxial TiN layers are grown on …
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Exploration of catalysis activation emergency as a function of gold nanoparticle surface morphology
… of rippled gold nanoparticles with bi-ligand surface morphology as a catalyst was tested. The hydrolysis of 2,4-dinitrophenyl acetate (DNPA) served as the catalytic reaction being analyzed and the bi-ligand composition used was 16-mercaptohexadecanoic acid to imidazole thiol (MHA to IT). The …
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Surface morphology and ordering in side-chain liquid crystal diblock and homopolymer ultrathin films
… understanding and control of the nano-domain morphology, which is strongly affected by the substrate, block copolymer properties, and LC alignment within the domains. In these studies, an amorphous side-chain LC diblock polymer system has been synthesized containing a side-chain mesogen with a …
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Effects of surface morphology and asperity deformation on the frictional behavior of coated sheet steels
Includes bibliographical references (pages 85-87).
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Characterization of the dynamic formation of nano-tendril surface morphology on tungsten while exposed to helium plasma
Tungsten undergoes surface morphology changes on the nanometer scale when subjected to low energy helium ion bombardment. This is due in part to the ion bombardment causing tungsten atoms to move on the surface, but also because of helium implantation and bubble development in the near surface at a …
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Nonlithographic manufacturing of 1-D silicon nanostructures with tunable surface morphology via thermal dewetting and metal-assisted chemical etching
… (SiNWs) with controlled side-wall profile and surface morphology. The approach begins with silver (Ag) thin-film thermal dewetting, gold (Au) deposition and lift-off to generate a large-scale Au mesh on Si substrates. Followed by metal-assisted chemical etching (MacEtch), where the Au mesh …
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Investigation On the Surface Morphology Of Metal Anodes In Zinc Air Batteries With Non-Aqueous Aprotic Deep Eutectic Solvent Electrolytes
… non-aqueous electrolytes are expected to improve surface integrity of zinc electrodes over cycling. This work aims to examine the morphology of the disassembled electrode and issue a statement on the viability of this electrolyte.
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Study on structure, surface morphology, electrical and magnetic properties in monovalent doped Pr0.75Na0.25Mn1-xCrxO3 AND Nd0.75Na0.25Mn1-yCryO3 of magnetic ceramics
… result regarding to the crystalline phase, surface morphology and magnetic properties as well as electrical properties study. Thus, two series of charge-ordered compound Pr0.75Na0.25Mn1-xCrxO3 (0≤x≤0.04) and Nd0.75Na0.25Mn1-yCryO3 (0≤y≤0.05) manganites have been synthesized using solid-state …
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Investigation of the Influence of a Model Additive System on Copper Electrodeposition: Integration of Experiments on the Surface Morphology Evolution With Multiscale Simulation
… behavior on electrodeposited ruthenium surface was briefly discussed.
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Poly(L-Lactic Acid) Langmuir Monolayers at the Air/Water Interface and Langmuir-Blodgett Films on Solid Substrates: Phase Behavior, Surface Morphology, and Crystallinity
Controlling the surface morphology and degree of crystallinity of poly(L-lactic acid) (PLLA) substrates have recently attracted considerable attention because of their applications in cell adhesion, tissue engineering, and drug delivery. Several techniques have been used to fabricate PLLA …
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Evolution of the surface morphology of homoepitaxial germanium(001) and heteropitaxial silicon(0.5) germanium(0.5)/germanium(001) deposited by molecular beam epitaxy at reduced temperatures
… results on the fashion in which the Ge(001) surface roughens as a function of film thickness, deposition temperature, and substrate miscut. The results allow us to write empirical expressions for feature spacing and roughness amplitude of the growing surface over a wide range of film …
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Phosphorus Incorporation During Silicon(001):phosphorus Gas-Source Molecular Beam Epitaxy: Effects on Film Growth Kinetics, Surface Morphology, and the Self-Organization of Germanium Quantum Dot Overlays
… dots are deposited on three types of starting surfaces: (1) Si(001) buffer layers which serve as a reference, (2) Si(001) layers with predeposited P coverages thetaP ranging from 0 to 1 ML, and (3) P-doped Si(001) with CP = 3.4x1018-8.3x10 18 cm-3, which corresponds to thetaP = 0.5-0.8 ML. …
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Multiscale models of the metalorganic vapor phase epitaxy process
… mass transfer affect the flux of species to the surface, while atomic processes affect the morphology of the growing film. In this thesis, new computational models are developed that work on specific length scales, models are linked together, and combined models are used to study the physics of …
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