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 2098 for “"solid-state"”.
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Solid-state Polymer Nanofoams
… work explores the fabrication and properties of solid-state polymer nanofoams. Polymer nanofoams, which are expected to be the next generation cellular materials, have attracted much attention in the past decade. Nanoscale dimension of the bubbles could potentially render the nanofoams to have …
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Dynamic solid state lighting
… area of evolving Cyber-Physical Systems, as user state, behavior and context are measured, inferred, and leveraged across a variety of domains, environments, sensors, and actuators to dynamically mitigate energy usage while attaining implicit and explicit user goals. In this work, the focus in on …
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Solid-State Impact-Ionization Multiplier
This dissertation presents an innovative solid-state current amplifier based on impact-ionization. Unlike avalanche photodetectors which use the same amplification principle, this device can be integrated with any external current source. A discrete amplifier was built on a silicon surface using …
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A counterpulsed, solid-state opening switch
… a fieldable power supply. Recent advances in the state of low voltage power storage devices may enable practical Pulse Forming Inductive Network power supplies to be developed if a suitable current interruption device is developed. A solid-state device in a counterpulsed opening switch …
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A solid-state ultrasonic image converter
Acoustical techniques can be used to obtain underwater images at distances greater than those currently obtained by optical means. Electronic scanning of a mosaic transducer at the focal plane of an acoustic lens enables target image reproduction on a cathode ray tube using intensity modulation. …
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Asymmetric induction in solid state photochemistry
… was studied in solution as well as in the solid state. In addition, the photochemistry of the methyl and ethyl esters of the carboxylic acids was also investigated. The photochemistry of some of these dibenzobarrelene derivatives was found to be medium-dependent. Possible …
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Solid state electrochemical processes for nanofabrication
… these challenges, this thesis primarily examines solid state nano manufacturing pathways using ion conductive solid electrolytes, to develop a cost effective, simple alternative to state of the art direct writing techniques (e.g. Ebeam lithography and Focus ion beam lithography). First, a solid …
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Novel phosphors for solid state lighting
Solid state white light emitting diode lighting devices outperform conventional light sources in terms of lifetime, durability, and lumens per watt. However, the capital contribution is still to high to encourage widespread adoption. Furthermore, the colour from today's devices is unsuitable for …
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Solid state diffusion in Pd₂Si
The atomic transport processes ocurring in the Pd/Si system have been investigated. The Pd₂Si system has been studied to try and establish the mechanism(s) of diffusion by which the growth of Pd₂Si proceeds under thermal annealing. Using a deposited Ti marker, the dominant moving species during …
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Solid State MEMS Resonators in Silicon
… integration with CMOS technology. Development of solid state RF MEMS resonators in silicon, resonators that do not require any release etch step, eliminates the necessity for complex encapsulation methods and costly packaging. Such solid state solution could also enable direct integration into …
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Solid-state processing of thermoplastic polymers
… during pressureless sintering. However, consolidation of compacts formed at room temperature (by heating 10-20°C above T g and applying a small pressure (less than 50 kPa» was shown to be a promising processing method.
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Solid-state microwave amplification into millimetric frequencies
… development of a milli-metric GaAs MESFET giving state of the art minimum noise performance in the mid 1980's. The work covers research into the design aspects of the transistor, and in particular the RF characterization and the development of an equivalent circuit model. The minimum noise figure …
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Solid-State NMR: investigations of biomolecular structure
Solid-state nuclear magnetic resonance methods were used to characterize the structure of biological molecules in lyophilized and hydrated environments with and without the presence of other molecules such as drugs, lipids, and surfaces. Revealing the structure of biomolecules by mimicking its …
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Modelling high peak-power solid-state lasers
… Applications:UV through LWIR - Baltimore, United States in 2016 [1].;The final research chapter details the development of a temporal and spatially discrete, numerical model, for investigating the evolution of gain within an active medium, during the pumping period. Amplified Spontaneous Emission …
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INTERFACES IN THIN-FILM SOLID-STATE BATTERIES
… approach to monitor interface kinetics in solid-state batteries (SSBs) results in an incomplete knowledge of the mechanisms affecting device performance. In this study, a new protocol for process control of SSB interface formation and their evolution during operation is presented. Thin-film …
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Solid State Dewetting-Mediated Aggregation of Particles
… buffers consist of thin layers of rare gas solids that have been grown at 20-50 K. The properties of the resulting structures are dependent on the interaction of the deposited species with the buffer rather than with the substrate, making possible a wide range of nanostructure/support …
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Dehydration Reactions in the Organic Solid State
Made available in DSpace on 2014-12-13T20:10:14Z (GMT). No. of bitstreams: 1 7804068.pdf: 8143118 bytes, checksum: 7d0ae49ea45529c2590e386ae1deed04 (MD5) Previous issue date: 1977
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