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 675 for “"Nanostructured"”.
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Nanostructured ferroelectric materials
Nanostructured materials are central to the evolution of future electronics and information technologies. Ferroelectrics have already been established as a dominant branch in the electronics sector because of their diverse application range such as ferroelectric memories, ferroelectric tunnel …
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Coherence in nanostructured excitons
… fundamental properties of excitons in various nanostructured materials, relating physical structure to excitonic structure and perhaps to subsequent function in an excitonic device. Nonlinear spectroscopy offers distinct possibilities for detailed exploration of excitonic properties and …
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WETTING TRANSITIONS AT NANOSTRUCTURED SURFACES
Shape of a droplet atop a surface heterogeneity at a nanoscale. Small aqueous droplets on homogeneous surfaces, surrounded by a reservoir of vapor are inherently unstable. In contact with supersaturated vapor, the drops will keep growing until they coalesce and form a contiguous aqueous phase. …
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Nanostructured polymers: morphology and properties
This study is aimed to investigate the relationship between morphology and properties of non polar polymers in the presence of polar additives of different nature. The addition of the physical gel dibenzylidene sorbitol (DBS) in a polyethylene (PE) blend has shown to act as a nucleation site on the …
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Solution Synthesized Nanostructured Thermoelectric Materials
… could be made. Over the past twenty years, many nanostructured materials have been shown to possess improved figures of merit compared to their bulk counterparts mostly due to the reduction in thermal conductivity associated with nanostructured materials. Several classes of solution synthesized …
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Nanostructured carbohydrate-derived carbonaceous materials
… is demonstrated as an efficient route to nanostructured carbonaceous materials. HTC is an aqueous-phase, low-temperature (e.g. 130 – 200 °C) carbonisation, which proceeds via dehydration / poly-condensation of carbon precursors (e.g. carbohydrates and their derivatives), allowing facile …
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Nanostructured Coatings for Antimicrobial Applications
In this study, novel layer by layer assemblies based on Nafion, lysozyme and chitosan were developed and assessed with respect to their antimicrobial activity. A quartz crystal microbalance was used to monitor the built up of the multilayers in real time, confirming the presence of strong …
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Nanostructured Materials Prepared With Ultrasound
USP has proven to be an excellent method to produce organic-inorganic hybrid materials. Nanoporous silica spheres incorporated with various organic dyes are synthesized by USP and utilized in colorimetric sensing arrays for the identification of aliphatic amines. Further usefulness of USP is …
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Investigation on nanostructured solar cells
In this study, materials for the nanostructured solar cells were synthesized and their effects were investigated. TiO2 nanoparticles, which are commonly used in the nanostructured solar cells, were synthesized by a newly developed technique, combining the advantages of flame aerosol synthesis and …
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Nanostructured alloys for extreme conditions
The development of new nanostructured materials for use in extreme mechanical and thermal environments is likely to be of critical importance for a number of future energy technologies. These materials are characterized by a large density of grain boundaries. Consequently, they are inherently …
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Nanostructured apatites as orthopedic biomaterials
Historically, using suitable mechanical replacements for bone has been a priority in designing permanent, load-bearing orthopedic implants. As a result, the biomaterials used in these implants have been largely limited to bioinert titanium-based alloys, as well as to polycrystalline alumina and …
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Thermorheological properties of nanostructured dispersions
Nanostructured dispersions, which consist of nanometer-sized particles, tubes, sheets, or droplets that are dispersed in liquids, have exhibited substantially higher thermal conductivities over those of the liquids alone. While it is desirable to synthesize a fluid that has improved heat transfer …
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Protein adsorption on nanostructured silica surfaces
… of the interaction of globular proteins with nanostructured silica surfaces. It aims to gain a better understanding of the consequences of a high surface curvature and confinement on the adsorption behavior and morphology of the adsorbed protein. The adsorption behavior of lysozyme and …
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Nanostructured materials for hydrophobic drug delivery
… (Psi) and nanocellulose (NC) hydrogels are nanostructured materials with several properties that make them promising for drug delivery applications. In this work, Î2-carotene (BC) and clofazimine (CFZ) are used as model molecules to investigate the physical and chemical processes governing …
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Microwave Impedance Microscopy Of Nanostructured Carbon
… we consider the estimation of porosity in nanostructured carbons often used in charge storage devices, such as carbide derived carbon (CDC) and onion-like carbon (OLC).
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Imaging and spectroscopy of nanostructured surfaces
STM measurements of large size selected clusters of Pd on HOPG show that the aspect ratio increases with increasing cluster size. The non-spherical nature of these clusters is traced back to the aggregation regime in the gas condensation cluster source. The size and temperature of the clusters …
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Analytical applications of nanostructured plasmonic crystals
… resonance imaging modalities based on this nanostructured plasmonic crystal platform. Nanostructured plasmonic crystals were patterned onto the tips of silica optical fibers using a soft embossing method for use as single-fiber SERS optrodes, and enhanced Raman scattering was observed for …
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Biomedical applications of nanostructured polymer films
… and distinct purposes for each layer. These nanostructured polymeric materials are useful in a wide variety of applications including drug delivery, tissue engineering, controlling condensation and polymeric batteries; all of which will be discussed in this work. The first area of my thesis …
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