Index Catalog // ScholarsArchive@OSU

Characterization of CoGe Thin Films and Powders

Creator:: Pfau, Andrew James
Abstract:: Cobalt germanides have been widely studied as semiconductor contact materials, but recent theoretical studies suggest that they may also be excellent catalysts for methane steam reforming with stabilities and activities comparable to noble metal catalysts. In order to study the catalytic activity of cobalt germanides, it is critical to first...
Resource Type:: Masters Thesis

Characterizing spin-orbit torques in β-W/Ta/CoFeB/MgO devices

Creator:: Allen, Shane R.
Abstract:: Materials with a strong spin Hall effect and Rashba-Edelstein effect have the potential to improve the efficiency of solid-state magnetic memory technologies and other magnetic logic devices. Heavy metals have been identified as having these properties, including the beta crystal phase of tungsten. In this work, we determine the strength...
Resource Type:: Masters Thesis
Full Text:: : https://doi.org/10.1063/1.102730. [7] S. S. Parkin et al., “Magnetic Domain-Wall Racetrack Memory

Quasicrystal Formation, Structure and Indentation Behaviors in Pure Tantalum

Creator:: Wang, Zhengming
Abstract:: Spontaneous quasicrystal (QC) formation has not been observed in pure metals either in computation or in experiments (excluding epitaxial growth of thin atomic layers on a QC template). In this thesis work, dodecagonal QC (DDQC) grains are first discovered to spontaneously form during thermal devitrification of pure tantalum (Ta) metallic...
Resource Type:: Masters Thesis
Full Text:: ). https://doi.org/10.1063/5.0032991) 3.1 Simulation Methods 3.1.1 Sample Preparation The Ta samples

Mixing and Finger Morphologies in Miscible Non-Newtonian Fluid Displacement

Creator:: Mehr, Nicole
Abstract:: We found unexpected complexities resulting from the miscible displacement of a non-Newtonian fluid for both convergent and divergent flow as observed by displacing a miscible shear-thinning fluid (xanthan gum) in a radial Hele-Shaw cell. Such complex patterns have not been described before for either Newtonian or non- Newtonian fluids. A...
Resource Type:: Masters Thesis

Molecular Dynamics Study of structural Evolution, Tensile Deformation and Nanoindentation of Monatomic Metallic Glasses

Creator:: Chen, Fangzheng
Abstract:: Metallic glasses are attracting tremendous attention because of their fundamental significance and great potential to be used as structural or functional materials in engineering applications. Significant efforts have been devoted to studying their unique properties as well as their disordered nature. Metallic glasses possess much higher strength and elastic strain...
Resource Type:: Masters Thesis

Temperature Evolution of Spark Kernels in Quiescent and Cross-flow Conditions

Creator:: Okhovat, Sebastian
Abstract:: Numerous physical and chemical processes are required for successful ignition of a flammable mixture, many of which have been well characterized. However, one aspect of the ignition process that has received limited consideration is understanding the temperature of the spark kernel. A spark kernel is the volume of heated gas...
Resource Type:: Masters Thesis

Probabilistic Wind Power Forecasting for Hybrid Systems

Creator:: Irmas, Cameron
Abstract:: Wind power forecasting provides valuable insights for demand response, energy market operation, and plant control optimization. Probabilistic approaches—which capture uncertainty in these complex systems by representing predictions as probability distributions—represent a growing area of research in wind energy science. However, their applications for wind-based hybrid systems, particularly those focused on...
Resource Type:: Masters Thesis

Search for Non-Einsteinian Polarization Modes in the Gravitational-Wave Background using NANOGrav’s 12.5 Year Data Set

Creator:: Laal, Nima
Abstract:: I led a collaborative project involving a search for an evidence of a gravitational wave background (GWB) with all the spatial correlations allowed by general metric theories of gravity using NANOGrav’s 12.5 year data set. The search found no substantial evidence in favor of the existence of such correlations. The...
Resource Type:: Masters Thesis

Development of a Novel Device to Measure the Viscosity of High Temperature Molten Salts

Creator:: Blyther, Joshua D.
Abstract:: This thesis presents a novel design for a rheometer style viscometer by implementing high temperature and inert atmospheric requirements on the device. The goals of this device are to measure the viscosity of high temperature molten salts, which are corrosive and extremely hydroscopic. It also aims to be able to...
Resource Type:: Masters Thesis

The Conduction Properties of Heavily Acceptor Doped Lead Zirconate Titanate Ceramics

Creator:: Sangwan, Vyomika
Abstract:: Heavily acceptor doped Pb1.02Dx(Zr0.5Ti0.5)1-xO3 ceramics, where A is the dopant, were investigated in this research. Dopants studied included iron, magnesium and manganese at mole concentrations x ≤ 0.20. X-ray diffraction data along with scanning electron microscopy images revealed the solubility limits of these ceramics. All doped compositions exhibited a shift...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Characterization of CoGe Thin Films and Powders

Characterizing spin-orbit torques in β-W/Ta/CoFeB/MgO devices

Quasicrystal Formation, Structure and Indentation Behaviors in Pure Tantalum

Mixing and Finger Morphologies in Miscible Non-Newtonian Fluid Displacement

Molecular Dynamics Study of structural Evolution, Tensile Deformation and Nanoindentation of Monatomic Metallic Glasses

Temperature Evolution of Spark Kernels in Quiescent and Cross-flow Conditions

Probabilistic Wind Power Forecasting for Hybrid Systems

Search for Non-Einsteinian Polarization Modes in the Gravitational-Wave Background using NANOGrav’s 12.5 Year Data Set

Development of a Novel Device to Measure the Viscosity of High Temperature Molten Salts

The Conduction Properties of Heavily Acceptor Doped Lead Zirconate Titanate Ceramics

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