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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 44 for “"solid state materials"”.
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Hydrogen transfer in hydrogen bonded solid state materials
The investigation of strongly hydrogen bonded solid state materials and the hydrogen transfer processes therein are the subject of the present work. Strong hydrogen bonds are found whenever the hydrogen bonded species compete for the hydrogen atom, and are thereby on the verge of showing hydrogen …
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Laser (Cooling) Refrigeration in Erbium Based Solid State Materials
… was to investigate the potential of erbium based solid state materials for laser refrigeration in bulk material. A great deal of work in the field has been focused on the use of ytterbium based ZBLAN glass. Some experiments have also reported cooling in thulium based solid state materials but with …
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Computational studies of solid state materials for practical applications
… is a promising material for aerospace bearing materials. Spiral orbit tribometry friction tests performed on Ni-rich Ni55Ti45 titanium ball bearings indicate that this alloy is a promising candidate for future aerospace bearing applications. Microstructural characterization of the bearing …
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Pulsed laser induced breakdown in solid state materials and air
… damage. Laser induced breakdown in dielectric materials results from a combination of multiphoton absorption (MPA), tunneling and avalanche ionization. Aspects of these processes have been studied through measurements of the laser induced damage threshold (LIDT) and its dependence on pulse …
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Design and Synthesis of Solid State Materials Constructed from Polyoxomolybdate Clusters
… the synthesis and structures of polyoxomolybdate materials. The design and synthesis of hybrid organic-inorganic materials constructed from various anionic polyoxomolybdate units and cationic secondary metal-ligand units, and the synthesis and ligand-exchange capacity of the giant polyoxomolybdate …
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Novel methods and models to validate H2 storage in solid state materials
… also heat and hydrogen diffusion in porous materials typical in hydrogen storage tank. Experimental data collected by a prototipal realization of hydrogen storage tank are used to validate macro modelling. Moreover, a lumped model is developed with the scope to built a numerical tool able to …
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Design and Synthesis of Solid State Materials Constructed from Transition Metals and Diphosphonate or Organoarsonate Ligands
… ligands. The xylyldiphosphonate families of materials which were examined were the metal(II) series of Cu, Ni, Co, Mn, Cd and Zn, with an addition of an organo-nitrogen chelate. With success in these families of materials, a secondary metal of vanadium or molybdenum was added to these …
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High-pressure studies of solid state reactions in organometallic copper(II) and nickel(II) systems
The continuing importance of solid state materials has prompted greater interest in the understanding of fundamental processes which occur in the solid state. Phase transitions and reactions are crucial to the properties, production, and processing of solid state materials and yet remain phenomena …
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Toward the Synthesis of Designed Metal-Organic Materials
Metal-Organic Materials (MOMs) are an emerging class of crystalline solids that offer the potential for utilitarian design, as one of the greatest scientific challenges is to design functional materials with foreordained properties and eventually synthesize custom designed compounds for projected …
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High oxidation state organometallics and their charge transfer materials
… used as components in the molecular synthesis of solid state materials displaying cooperative electronic interactions. Complexes of the type CpVX$\sb3$ (Cp = $\eta\sp5$-C$\rm\sb5$H$\sb5$ or -$\rm C\sb5H\sb4$Me; X = Cl, Br) are highly oxidizing. The oxidation potential can be tuned by changes in …
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Electrical conduction in metal-organic frameworks
… frameworks (MOFs) are microporous/mesoporous solid state materials with long-range order, synthetic designability, multifunctionality, and great tunability. Their generally low electrical conductivity and charge mobility hinder applications in electronic and energy storage devices. Systematic …
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Order Under Pressure: Structural and Magnetic Characterization at Extreme Stresses
… have profound impacts on the properties of materials giving rise to functionality ranging from high-temperature superconductivity to diverse magnetism. Despite over a century of research on solid-state materials over one gigapascal (GPa), experimental and theoretical obstacles remain for …
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Self-assembly of globular protein-polymer diblock copolymers
… structure in the resulting nanostructured materials. Across a wide range of polymer coil fractions from 0.21 to 0.82, a variety of morphologies including hexagonally packed cylinders, lamellae, perforated lamellae, weakly ordered nanostructures and a disordered phase are observed. …
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Models for transition metal oxides and for protein design
A large number of properties of solid state materials can now be predicted with standard first-principles methods such as the Local Density (LDA) or Generalized Gradient Approximation (GGA). However, known problems exist when using these methods for predicting the electronic structure and total …
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Feasibility assessment and design of micro hydraulic solid-state transducers
… the inherent power densities of piezoelectric materials. The ability of these solid-state materials to exert large forces at high frequencies engenders them with specific power levels (mass normalized) that are often several orders of magnitude greater than conventional transducers, but their …
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Interface-driven spin-orbit torques in magnetic heterostructures
… connection between charge and spin transport in solid state materials offers new techniques for generating and detecting spin currents and could potentially allow high-performance memory and logic devices. Simple multilayer thin films or "heterostructures" such as Pt/Co have broken inversion …
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FIRST-PRINCIPLES INVESTIGATION OF ELECTRONIC PROPERTIES IN SODIUM-ION ELECTROLYTES FOR SOLID-STATE BATTERY MATERIALS
… that contribute to unique properties of materials such as diffusion mechanisms of ions within solid-state materials, conductivity, and ground state structures. The goal of this body of work is to understand how this relationship can give us insight into materials that might have use in an …
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Relaxation Dynamics of Photoexcited Carriers in Graphene
… To improve upon existing technologies, new materials and their electronic properties need to be explored. The proposed mid-infrared spectroscopy experiments in this thesis place an emphasis on understanding the physical phenomena in graphene. Graphene on its own has many peculiar …
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An exploration of chemical agents detection using the quantum fingerprint [superscript TM] technology
… work was to determine the feasibility of using solid-state materials as gas-phase Quantum Fingerprint TM(QFTM) sensors. The energy levels created by various targeted species adhered on the semiconductor substrate surface, acted as charge traps which can be excited and the transient signals …
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