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Process engineering of polynanomeric layered and infused composites /Williams, Ebonée Porché Marie. January 2003 (has links)
Thesis (Ph. D.)--University of Washington, 2003. / Vita. Includes bibliographical references (leaves 102-111).
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Structure and compositional studies of multi-component nanoparticlesMalyavanatham, Gokul. January 2002 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2002. / Vita. Includes bibliographical references. Available also from UMI Company.
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Evolving biomolecular control and peptide specificity for the synthesis and assembly of II-VI semiconductor nanomaterialsFlynn, Christine Elizabeth. January 2003 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2003. / Vita. Includes bibliographical references. Available also from UMI Company.
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Possible ordered states in graphene systemsMin, Hongki, 1976- 11 September 2012 (has links)
Graphene is a two dimensional honeycomb lattice of carbon atoms which has recently attracted considerable attention because of rapid experimental progress, and because of its novel physical properties. In this work, we will discuss recent theoretical work in which we have proposed new types of ordered electronic states in graphene bilayers, including pseudospin magnets which show spontaneous charge transfer between two layers, and excitonic superfluids which could have remarkably high transition temperatures. This work will conclude with some speculations on the possibility of radically new types of electronic devices in these systems whose operation is based on collective electronic behavior. / text
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Structure formation in colloidal and nanoscale systemsGray, Jeffrey James 13 February 2015 (has links)
In biotechnology, microelectronics, and materials science, many products require intimate attention to microscopic and sub-microscopic construction. Bulk properties of interest often depend on the system microstructure, leading researchers to strive to tailor custom microstructures and predict properties from microstructure—increasingly difficult tasks as component sizes shrink. A promising paradigm for engineering small systems is the idea of designing components which self-assemble into the structures desired, similar to the way that biological systems routinely build themselves from the molecular level up to the macroscopic. In this thesis, I use numerical simulation to study the structural evolution of colloidal and nanoscopic particulate systems. I focus on problems in rheology and adsorption. In the rheological study, I use Stokesian dynamics to investigate a transition where the shear rate qualitatively changes the trajectories of a lattice of particles and imparts a discontinuous, hysteretic viscosity jump. My model shows that a particular face-centered cubic crystal configuration is necessary to reproduce experimental findings. The adsorption studies are approached with two different models. First is a two-dimensional model for the random sequential adsorption of tethered nanoparticles. Tethers provide robust physical and/or electrical connections between particles and a substrate, but they also frustrate order. Hexatic and crystal structures form with surprisingly short tethers of one and four particle radii, respectively. Polydispersities of less than 5–7% (and sufficient tether length) are necessary to form crystal phases, and polydispersities of less than 7–8% are necessary to create hexatic phases. The second set of adsorption studies employs full three-dimensional Brownian dynamics simulations to model electrostatically-repulsive particles that are attracted to a substrate. The zeta-potential of the wall is the primary control of order formation on the surface, and the particle potentials are the primary control of surface coverage. Mixtures of particles that are bidisperse in surface zeta-potential can disrupt order for significant ratio of zeta-potentials, and at large ratios the process creates interesting patterns including dots, clusters, chains, and doped crystals. In each study, system history has a significant effect on the final state of the system; careful attention must be paid to the non-equilibrium process of assembling small systems. / text
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Polyamide-layered silicate nanocomposites by melt processingFornes, Timothy Dean 28 August 2008 (has links)
Not available / text
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Production and controlled collection of nanoparticles: toward manufacturing of nanostructured materialsNichols, William Thomas 28 August 2008 (has links)
Not available / text
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Synthesis and characterization of group IV semiconductor nanocrystals and nanowiresLu, Xianmao 28 August 2008 (has links)
Not available / text
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Nanostructured molybdenum chalcogenides: synthesis, structure and catalytic propertiesCamacho Bragado, Gloria Alejandra 28 August 2008 (has links)
Not available / text
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Structure and compositional studies of multi-component nanoparticlesMalyavanatham, Gokul 10 June 2011 (has links)
Not available / text
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