Index Catalog // ScholarsArchive@OSU

Autonomous Sensor Systems For Wind Turbine Blade Collision Detection

Creator:: Clocker, Kyle
Abstract:: Wind turbines serve an increasing proportion of total energy generation, with expanded onshore and offshore installations proceeding worldwide. Continued construction, expansion, and operation of wind energy installations must be managed in conjunction with effects on local and migratory wildlife, specifically bird and bat species that may be affected by wind...
Resource Type:: Dissertation

Nucleation Inhibiting Mechanisms in Atomic Layer Deposition of Nanolaminates

Creator:: Witsell, Shane Mike’ele Williama
Abstract:: Nucleation in atomic layer deposition (ALD) determines how many cycles are required to initiate growth and to form a continuous film. Nucleation has been exploited for the formation of nanoparticles, catalysts, and for area-selective ALD. Although sometimes overlooked or misrepresented in ALD reports, nucleation is also critical for multicomponent ALD...
Resource Type:: Masters Thesis

Ultra-energy-efficient Silicon Photonic Modulators Driven by Transparent Conductive Oxides

Creator:: Li, Erwen
Abstract:: Silicon photonics has become the most promising platform for future large-scale optical interconnect and optical computing systems due to its inherent CMOS compatibility, which brings exclusive advantages in bandwidth density, energy efficiency, and cost effectiveness. Parallel optical interconnects based on photonic integrated circuits (PICs) have the capacity to meet the...
Resource Type:: Dissertation

Applications of Magnetic Materials in Soft Robotics

Creator:: Davis, William M.
Abstract:: Magnetic materials can be used in modern soft robotics as a method for external stimulus actuation and motion control. By combining aspects of biology and mechanics, devices are fabricated to create a structure capable of complex movement. Applications that these devices are subject to can be broken down into four...
Resource Type:: Capstone Project

Sputter Deposition and Characterization of Transparent Conductive Oxide Thin Films and Applications in Photonics

Creator:: Bo, Yunfei
Abstract:: Transparent conductive oxides (TCOs), combining the optical transparency and electrical conducting properties, have attracted escalating research interests in recent years due to their potential for various photonic applications. The electrical and optical properties, such as carrier concentration, mobility, will strongly affect the performance of TCO-based photonic devices. In this dissertation,...
Resource Type:: Masters Thesis

Optical Sensors using Biological Photonic Crystals

Creator:: Squire, Kenneth James
Abstract:: This dissertation focuses on the application of diatom frustules, the biosilica shell of an algae possessing physical and photonic properties capable of enhancing optical signals, for the enhancement of optical sensing. In this work, we incorporate diatom frustules into biosensors for signal enhancement and improved target molecule detection. The potential...
Resource Type:: Dissertation

Electronic Conduction Mechanisms in Insulators

Creator:: Chiang, Tsung-Han
Abstract:: The research presented herein focuses on electrical assessment of oxide thin films as insulators. The current density-electric field (J-E) characteristics of four insulators of dramatically different electrical quality are assessed in terms of their operative electronic conduction mechanisms. Conduction in the two high-quality insulators is dominated by Ohmic conduction and...
Resource Type:: Dissertation

Surface-Enhanced Infrared Absorption Gas Sensing Incorporating Advanced Plasmonic Nanostructures and Nano-Composite Materials

Creator:: Chong, Xinyuan
Abstract:: This dissertation focuses on extending the application scope of surface enhanced infrared absorption spectroscopy to gas sensing. The method we propose is incorporating plasmonic nanostructures with nano-composite material, metalorganic framework, which can selectively preconcentrate certain gas molecules into the nanopores. The preconcentrating property is first demonstrated by applying metal-organic framework...
Resource Type:: Dissertation

DC/AC Stability of In-Ga-Zn-O Thin-Film Transistors

Creator:: Zhou, Fan
Abstract:: The electrical stability of amorphous indium-gallium-zinc oxide (a-IGZO) thinfilmtransistors (TFTs) is investigated for flat-panel display applications. Althoughproducts incorporating a-IGZO TFT backplanes are already commercially available,e.g., iMac with 5K retina display, technical challenges need to be addressed for nextgenerationapplications, e.g., active-matrix organic light-emitting diode displays.Device stability is one crucial issue. The...
Resource Type:: Dissertation

Leveraging Compressive Sampling and Machine Learning for Adaptive and Cooperative Wideband Spectrum Sensing

Creator:: Zaid, Adem
Abstract:: This thesis proposes a novel technique that exploits spectrum occupancy behaviors inherent to wideband spectrum access to enable efficient cooperative spectrum sensing. The proposed technique reduces the number of required sensing measurements while accurately recovering spectrum occupancy information. It does so by leveraging compressive sampling theory to exploit the block-like...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Autonomous Sensor Systems For Wind Turbine Blade Collision Detection

Nucleation Inhibiting Mechanisms in Atomic Layer Deposition of Nanolaminates

Ultra-energy-efficient Silicon Photonic Modulators Driven by Transparent Conductive Oxides

Applications of Magnetic Materials in Soft Robotics

Sputter Deposition and Characterization of Transparent Conductive Oxide Thin Films and Applications in Photonics

Optical Sensors using Biological Photonic Crystals

Electronic Conduction Mechanisms in Insulators

Surface-Enhanced Infrared Absorption Gas Sensing Incorporating Advanced Plasmonic Nanostructures and Nano-Composite Materials

DC/AC Stability of In-Ga-Zn-O Thin-Film Transistors

Leveraging Compressive Sampling and Machine Learning for Adaptive and Cooperative Wideband Spectrum Sensing

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