Index Catalog // ScholarsArchive@OSU

Thermodynamic analysis of a magnesium carbonate thermochemistry and compressed air energy storage system

Creator:: Rebarchik, Eric R.
Abstract:: In this work, a hybrid thermochemistry compressed air energy storage (CAES) system is investigated. Following a review on chemical reactions investigated for use in thermochemical energy storage (TCES) systems, from these chemistries, the conversion of magnesium carbonate, MgCO3, to magnesium oxide, MgO, and carbon dioxide, CO2, was further analyzed for...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Líney Árnadóttir, Committee Member, representing Chemical Engineering

Computing Wavefunctions of Silicon Donor Qubits with Density Functional Theory

Creator:: Almulla, Yousif Waleed
Abstract:: Silicon based quantum computing is an attractive approach to large-scale quantum computation due to the significant success of the modern semiconductor fabrication industry. Despite many advances in silicon quantum computing since its inception in 1998, there remains no software for efficiently designing candidate silicon quantum computing devices. Such a development...
Resource Type:: Honors College Thesis
Full Text:: Member, representing Physics Liney Árnadóttir, Committee Member, representing Chemical, Biological, and

Solar-driven Dry Reforming Reaction in a Milli-scale Reactor

Creator:: Wang, Yige
Abstract:: Dry reforming of methane to syngas using CO2 was performed in a solar-driven milli-scale reactor, which converts solar energy to chemical energy. The process aims to upgrade the energy content of the feed stream using sustainable energy. The effect of mean residence time, temperature and CO2:CH4 ratio on conversion and...
Resource Type:: Masters Thesis
Full Text:: help from Dr. Alex Yokochi and Dr. Liney Arnadottir. They gave me many good suggestions during the

Down-Shifting Nanoparticles and Anti-reflective Nanoparticles Co-Coating Applied on Top Glass Cover of Silicon-Based Solar Panels

Creator:: Jing, Qun
Abstract:: Photoluminescence (PL) materials have attracted a lot of attention in last several decades. Recently PL materials, which can convert low-efficiency Ultraviolet (UV) or Infrared (IR) light to high-efficiency visible light, have been widely applied in the research of improving conversion efficiency of solar cell. As one of the most common...
Resource Type:: Masters Thesis

Development of Temperature Stable Dielectric Materials Based on Lead Bismuth Perovskite Solid Solutions

Creator:: Colton, Zachary D.
Abstract:: High energy density ceramic capacitors with temperature stable permittivity across -150°C to 300°C are desired for a wide variety of electronic devices. Traditional dielectrics such as barium titanate provide a high permittivity but that permittivity is strongly temperature dependent over this specified temperature range. The goal of this work is...
Resource Type:: Masters Thesis
Date Created:
Full Text:: would also like to thank my graduate committee Dr. Brady Gibbons, Dr. Liney Arnadottir, Dr. Laurence

Structure-Property Relationships of Supported Palladium and Rhenium Oxide for the Alkane Rearrangement of Hydrocarbons and Deconstruction of Polyethylene via Tandem Dehydrogenation and Olefin Metathesis

Creator:: Moore, Selena C.
Abstract:: The rapid accumulation of plastic waste in landfill, waterways and oceans is becoming a critical problem, one that current recycling technologies are not capable of solving. Recent proposed approaches in the depolymerization of waste plastics employ an Olefin-Intermediate Process (OIP), where feedstocks like polyolefin plastics are ‘activated,’ producing an olefin...
Resource Type:: Masters Thesis
Full Text:: thank my defense committee, Dr. Liney Arnadottir, Dr. Konstantinos Goulas, and Dr. Frank Chaplen, who

Understanding Charge and Mass Transfer Phenomena in Functional Oxide Heterostructures

Creator:: Samarakoon, Widitha
Abstract:: Oxides are a versatile class of materials with a wide range of electronic, optical, and magnetic properties. This makes them ideal for use in a multitude of functional devices for oxide electronics, electrochemical conversion, and storage. The overall performance of these devices is governed by atomic scale charge and mass...
Resource Type:: Dissertation
Full Text:: committee members, Prof. Liney Arnadottir, Dr. Kelsey Stoerzinger and Dr. Tianyi Chen. Thank you very much

Exploring the factors that drive organizational resilience : lessons from healthcare

Creator:: Darrow, Lucia
Abstract:: In the face of a disruptive event or prolonged period of stress, resilient performance ischaracterized by preventative measures, effective response, and the integration of lessonslearned. In healthcare, resilience significantly affects patient safety. However, currentguidelines for healthcare performance assessment, such as the Triple Aim, do notconsider physician satisfaction and preventative measures...
Resource Type:: Masters Thesis
Full Text:: members, Dr. Hector Vergara, Dr. Harriet Nembhard, and Dr. Liney Arnadottir, for their time and

CO₂ Reduction in Microscale-Based Corona Reactor : Experiments and Modeling

Creator:: Miao, Yu
Abstract:: Global warming is becoming an increasingly important environmental concern and CO₂ is considered as the major cause of global warming. Creating useful applications for CO₂ would generate alternatives to merely venting CO₂ to the atmosphere, and decreasing the carbon intensity of human activities. Among various methods of CO₂ utilization, conversion...
Resource Type:: Dissertation
Full Text:: Dr. Liney Árnadóttir, Dr. Karl Schilke and Dr. Morrie Craig for participating as committee members

Experimental and theoretical analysis of radial porosity in a monodisperse sphere packing

Creator:: Nakamoto, Nathan
Abstract:: This thesis presents an experimental study of radial porosity in a manually filled cylindrical container with glass spheres. The symmetric distribution of bead diameter allowed for normalization of container properties and porosity models. The aspect ratio of the container was approximately 3.9, with tube-to-particle-diameter ratio λ ≈ 24.6 and height-to-particle-diameter...
Resource Type:: Masters Thesis

Robust Reference-Free Sim-to-Real Reinforcement Learning for Bipedal Locomotion

Creator:: Siekmann, Jonah A.
Abstract:: In recent years, model-free Deep Reinforcement Learning (RL) has become an increasingly popular alternative to more traditional model-based or optimization-based control methods in solving robotic legged locomotion. However, deploying RL in the real world can be a significant undertaking. Constructing reward functions which compel controllers to learn the desired behavior...
Resource Type:: Masters Thesis

Formation of Cu₂ZnSnS₄ Thin Films via Reactive Sintering of Binary Metal-Sulfide Nanoparticles Using Intense Pulsed Light

Creator:: Zeng, Cheng
Abstract:: Copper zinc tin sulfide (CZTS) is a potential solar material for thin film solar cells according to its suitable band gap in the visible light range, high absorption coefficient, low toxicity, good photostability and relative earth abundance of component elements. However, the production cost of this solar thin film material...
Resource Type:: Masters Thesis

Care Team Burnout: Predictors and Potential Intervention

Creator:: Alshaiji, Rawan A M A J
Abstract:: Burnout is a state of physical or emotional exhaustion and disconnectedness induced by continuous stress that affects various aspects of an individual’s life. Physicians experience burnout at a higher rate than other professions due to the highly stressful nature of their work. Consequently, physicians are at a higher risk of...
Resource Type:: Masters Thesis

A tool to support conceptual change : identifying methods to ensure employee satisfaction along Lean implementation

Creator:: Grijalva, Paola E.
Abstract:: To address several challenges faced in healthcare, the Triple Aim (3A) was targeted by institutions to improve health outcomes and patient experience while reducing the costs of health. Process improvement techniques in manufacturing, such as Lean systems, were applied as tools to achieve the 3A framework. Unfortunately, the high level...
Resource Type:: Masters Thesis

Synthesis, surface treatment, and characterization of copper indium sulfide quantum dots

Creator:: Alemu, Yagenetfere A.
Abstract:: The need for less toxic quantum dots (QDs) has led to a significant number of investigations related to copper indium sulfide (CIS) QDs. Lower toxicity and broad band absorbance width makes CIS QDs appealing for light emitting diodes (LEDs), lasers, sensors, bio-imaging, solar cells, and computing. The optical and electronic...
Resource Type:: Masters Thesis

Experimental Study of Nucleate Boiling Bubble Dynamics and Heat Transfer Enhancement on Printed Bi-functional Surfaces

Creator:: David, Michele
Abstract:: Boiling heat transfer is studied for its ability to dissipate high fluxes and achieve heat transfer coefficients two orders of magnitude greater than single-phase heat transfer systems. Heater surface enhancement with increased surface area, varied geometry, wettability contrast and micro/nano-structures can further enhance boiling heat transfer performance through bubble nucleation...
Resource Type:: Masters Thesis

Continuous microwave extraction of peppermint oil

Creator:: Smith, Connor J.
Abstract:: Steam distillation has been the common method of extraction of essential oils from plants for more than a century. The use of microwave energy has been suggested as an alternative distillation method that would: reduce water usage, dependence on non-renewable energy sources, and the carbon footprint. A byproduct of this...
Resource Type:: Masters Thesis

Characterization and Investigations of Thin-Film Materials with X-ray Photoelectron Spectroscopy

Creator:: Diulus, J. Trey
Abstract:: Surface characterization of materials is widely utilized over a range of disciplines and essential to the development of new materials, technology, or processes. Metal oxide nanoclusters have shown promise as potential new generation photoresist materials for extreme ultraviolet (EUV) nanolithography. Organotin clusters have been proposed as potential candidates for resist...
Resource Type:: Dissertation
Full Text:: responsible for helping to collect spectra. A team of Ryan Frederick, Mengjun Li, Líney Árnadóttir, Igor

Functional materials for advanced energy and electronic devices

Creator:: Flynn, Brendan T.
Abstract:: Advances in energy technologies and electronics have typically occurred through either heightened performance or cost reduction. This dissertation explores both routes through a series of fundamental material studies that may contribute to the enabling of next generation devices. Solution based syntheses and deposition of chemical products offer a low cost...
Resource Type:: Dissertation
Full Text:: Szanyi provided use of their equipment and ran the experiments at PNNL. Líney Árnadóttir has

Spherical Au Nanoparticle Interaction with Lipid Monolayers Probed with Sum Frequency Generation Spectroscopy

Creator:: Faase, Ryan A.
Abstract:: Nanoparticles have become more prevalent from their use in sunscreen to antimicrobial agents in socks. In light of these applications, gaining a fundamental understanding of how NPs interact with humans is crucial for their future. Specifically, how cells interact with NPs and what factors drive the modes of cellular uptake....
Resource Type:: Masters Thesis
Full Text:: to thank my committee members Dr. Gregory Herman, Dr. Liney Arnadottir, Dr. Adam Higgins, and Dr

Laser patterned porous-media microfluidic analytical devices : fabrication methods and applications in bioassays

Creator:: Sumantakul, Saichon
Abstract:: The concept of reducing laboratory operations into microfluidic devices has been an attractive area of research for several decades. Due to several advantages of porous-media microfluidic devices including low mass, portability, power-free fluid transport, and the ability to store dried reagents in the porous structures, these devices show great promise...
Resource Type:: Dissertation
Full Text:: members: Dr. Claudia S. Maier, Dr. Kyriakos Stylianou, Dr. Elain Fu, and Dr. Liney Arnadottir for their

Addressing Persistent Challenges in Nanotoxicology Exposures : Techniques for in situ Characterization

Creator:: Crandon, Lauren E.
Abstract:: Nanoparticles (NPs), defined by their size (1-100 nm), are increasingly incorporated into commercial and industrial products due to their high surface area and unique properties. They can be designed for specific applications by manipulating composition, size, shape, and surface functionalization. As NP production and complexity increases, there is a need...
Resource Type:: Dissertation
Full Text:: . Liney Arnadottir and Dr. Ingrid Arocho for your advice and support. A special thanks to Dr. Skip

Production of C4-C10 Hydrocarbons from CO₂, H₂O, CO, H₂ and CH₄ Utilizing DC Glow Discharges, Catalytic Rapid Temperature Pulsing in Micro-Scale Reactors.

Creator:: Mohamed, Omar M.
Abstract:: This thesis experimentally determines the feasibility to creating C4 to C10 hydrocarbons from CO2, CO, H2, H2O and CH4. This is done in two steps, the initial step is the formation of ethylene through DC electrical glow discharge at ambient pressure while the second step is through temperature pulse controlled...
Resource Type:: Dissertation
Full Text:: research. Alongside him Dr. Nicholas AuYeung, Dr. Matthew Coblyn, Dr. Liney Arnadottir and Dr. Alexandre

Investigation of the hospital consumer assessment of healthcare providers and systems survey and its impact on hospital performance

Creator:: Worley, June M.
Abstract:: In 2007, the Centers for Medicare and Medicaid Services began requiring many hospitals in the United States to randomly survey patients who had stayed at least one night in the hospital. The Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) survey provides hospitals with valuable performance measurement data built...
Resource Type:: Dissertation
Full Text:: . Funk II, Dr. Xinhui Zhu, and Dr. Liney Arnadottir. Their flexibility and willingness to take the last

Production of biohydrodeoxygenated diesel in a novel microscale reactor : Experiments and modeling

Creator:: Atadana, Frederick Williams
Abstract:: Microscale reactors operate in sub millimeter space dimensions. Their small length scale enables process intensification of mass, heat and momentum transport that influence reaction rates. Hence it's possible to observe the true intrinsic reaction kinetics occurring for a set of reactions. In this work a novel microscale reactor for producing...
Resource Type:: Dissertation
Full Text:: process possible. I would also like to thank Dr. Jair Lizarazo-Adarme and Dr. Liney Arnadottir for

Characterization and Development of Ni-based Superalloys for Supercritical Carbon Dioxide Applications

Creator:: Adam, Benjamin M.
Abstract:: The advent of supercritical CO2 as a new heat-exchange medium has seen strong interest from the power industry and the energy research field recently. It is advan- tageous in comparison with other heat-exchange cycles, as it can be operated safely at much higher temperatures and pressures, thus increasing the thermal...
Resource Type:: Dissertation
Full Text:: exciting pathway. Further, I would like to thank Dr. Ĺıney Árnadóttird for her time and willingness to

The Hijab and Muslim Women in a Western Society : Motivation, Modifications, and Well-being

Creator:: Maqsood, Elham Nour Ahmad
Abstract:: The primary purpose of the present study is to explore the effect of wearing the hijab in a Western society on Muslim women’s well-being, their motivation to wear it, and the different modifications that they have made on their hijabs. To investigate the relationship between the hijab and Muslim women’s...
Resource Type:: Dissertation
Full Text:: , Dr. Susan Shaw, Dr. Liney Arnadottir, and to Dr. Patti Duncun and Dr. Christopher Knowels. You all

Socially Communicative Multi-Robot Motion and Formation: Algorithm Development and Validation

Creator:: Bacula, Alexandra
Abstract:: Expressive motion has been found to be a highly effective tool in communicating intent and motivation in single robot human-robot interaction, but work in exploring how groups of robots can use motion in interactions with humans is relatively nascent. There are many additional complexities to consider expanding from single robot...
Resource Type:: Dissertation

Novel Approaches to Porous Material Discovery

Creator:: Sturluson, Arni
Abstract:: Uses for materials with a large surface area and high porosity have grown sig-niﬁcantly in recent years. Porous materials have found usage in applications such as separation, gas storage, sensing, puriﬁcation and more, prompting researchers to ﬁnd and discover numerous new porous materials to suit a speciﬁc purpose. Hundreds of...
Resource Type:: Dissertation

Applications of Nonthermal Microplasmas in Chemical Reaction Engineering

Creator:: Kreider, Peter B.
Abstract:: Nonthermal plasmas generate high concentrations of excited species that can simultaneously exist at high energy and far from thermodynamic equilibrium, making them useful tools in chemistry and engineering. Microplasmas, roughly defined as plasmas that are generated within sub-millimeter dimensions, provide enhanced stability, improved excited species density, increased nonequilibrium properties, higher...
Resource Type:: Dissertation

Deposition and characterization of thin films

Creator:: He, Shidong
Abstract:: Recent studies have indicated that nickel gallium alloys can be effective for the catalytic hydrogenation of CO2 to methanol. To simplify the characterization of NiGa catalysts, we are developing model systems using NiGa thin films. We prepared NiGa thin films by RF magnetron sputtering using an equiatomic alloy target, followed...
Resource Type:: Masters Thesis

Exploring the Distinct Solution Behavior of Isostructural Polycoltanates

Creator:: Fullmer, Lauren
Abstract:: Polyoxometalates are a rapidly growing class of discrete metal oxide clusters with a wide range of applications including functional materials. These anionic clusters of the group V and VI transition metals are inexpensive and non-toxic. Within group V polyoxometalates, niobium and tantalum chemistry has been underdeveloped owing to their unique...
Resource Type:: Dissertation

The effect of catalyst properties on the synthesis of carbon nanotubes by plasma enhanced chemical vapor deposition

Creator:: Cheemalapati, Surya Venkata Sekhar
Abstract:: A study of the effect of catalyst properties on the synthesis of carbon nanotubes (CNTs) is done in this thesis. Three different metal alloy catalysts, Fe/Ti, Ni/Ti, Co/Ti, have been studied. Various atomic concentrations and thicknesses were cosputter deposited on clean Si wafers using AJA Orion 4 RF Magnetron sputter...
Resource Type:: Masters Thesis

Part I: Synthetic Studies toward C10-functionalized Lycopodium Alkaloids. Part II: Exploration of the Pummerer Cyclization and Its Application to the Total Syntheses of the Abietane Diterpenoids

Creator:: Li, Xin
Abstract:: This dissertation is separated into two parts according to the two major distinct research projects. In Part I, the full account of synthetic studies toward C10-functionalized lycopodium alkaloids is described. In Part II, the detailed discussion on the exploration of the Pummerer cyclization methodology and its application to the total...
Resource Type:: Dissertation
Full Text:: . Paul Blakemore, Prof. Sandra Loesgen, Prof. Paul Ha-Yeon Cheong, Prof. Xiulei Ji and Prof. Liney

Surface Characterization of Engineered Biomaterials

Creator:: Faase, Ryan A.
Abstract:: The work presented in this dissertation highlights the various techniques available to characterize the increasingly complex surfaces of engineered biomaterials. The methods used range from the simple measurement of a contact angle with a smartphone to a complex synchrotron technique like near edge x-ray absorption fine structure (NEXAFS) spectroscopy to...
Resource Type:: Dissertation

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