Index Catalog // ScholarsArchive@OSU

Potential for ethanol production from conservation reserve program lands in Oregon

Creator:: Juneja, Ankita, Kumar, Deepak, Williams, John D., Wysocki, Donald J., and Murthy, Ganti S.
Abstract:: Increase in energy demand has led towards considering lignocellulosic feedstocks as potential for ethanol production. Aim of this study was to estimate the potential of grass straws from conservation reserve program (CRP) lands as feedstocks for ethanol production. The CRP was initiated to ensure reduction in soil erosion with a...
Resource Type:: Article
Full Text:: subject to other constraints. VC 2011 American Institute of Physics. [doi:10.1063/1.3658399] I

Investigating 2D semiconductor contacts for Cooper-pair light-emitting diode applications

Creator:: Nichols, Dublin M.
Abstract:: Future quantum technologies will require high-efficiency, on-demand sources of entangled photons. A possible route to building such light sources employs two-dimensional (2D) semiconductors interfaced with a source of Cooper pairs. To investigate the possibility of such devices, we are testing methods to make high transparency n-type contacts, p-type contacts, and...
Resource Type:: Poster
Full Text:: . Phys. 118, 124506 (2015), https://doi.org/10.1063/1.4931617 Investigating 2D semiconductor contacts

Internal photoemission spectroscopy determination of barrier heights between Ta-based amorphous metals and atomic layer deposited insulators

Creator:: Jenkins, M. A., McGlone, J. M., Wager, J. F., and Conley, J. F., Jr.
Abstract:: The energy barrier heights between two recently reported Ta-based amorphous metals (TaWSi and TaNiSi), TaN, and atomic layer deposited Al2O3 and HfO2 insulators are measured in metal/insulator/metal (MIM) structures with Au top electrodes using internal photoemission (IPE) spectroscopy. For Al2O3, the Ta-based metal barrier heights, phi(Bn), increase with increasing metal...
Resource Type:: Article
Full Text:: . 125, 055301 (2019); https://doi.org/10.1063/1.5066569 125, 055301 © 2019 Author(s). Internal

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Creator:: McQuade, Ryan R.
Abstract:: This work investigates the effect of cation substitution on the properties of the lead-free, solid solution (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT). Substitution into NBT-BT increases disorder and increases the relaxor ferroelectric properties. These relaxor ferroelectric materials show large piezoelectric strains that can be utilized in actuator applications. Ceramic samples were prepared using standard...
Resource Type:: Dissertation

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

A technique for error estimation of linewidth and damping parameters extracted from ferromagnetic resonance measurements

Creator:: Buford, Benjamin, Dhagat, Pallavi, and Jander, Albrecht
Abstract:: Ferromagnetic resonance (FMR) characterization, using a vector network analyzer (VNA), is widely used to determine anisotropy, g-factor, and Gilbert damping parameter of magnetic thin films, but results are typically reported without calculation of the measurement accuracy. We present a method of processing VNA-FMR measurements to determine both the value and...
Resource Type:: Article
Full Text:: :10.1063/1.4908301 10.1063/1.4908301 American Institute of Physics Version of Record http

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Creator:: Tomaino, Joseph L.
Abstract:: This thesis will cover work that I have completed relating to the field of terahertz (THz) science. My work has consisted of generating tunable, narrowband THz pulses in a table-top optical setup and using both narrow- and broadband THz pulses to study various material systems. Broadband THz pulses were used...
Resource Type:: Dissertation

Electronic and Optical Properties of Organic Semiconductors : Experiment and Simulation

Creator:: Johnson, Brian
Abstract:: The continued development of organic semiconductor materials relies on an understanding of the relationship between optoelectronic properties, molecular structure, and molecular interaction. Several detailed studies of electronic properties in functionalized polyacene materials are presented. A computational model which allows the extraction of charge generation and transport properties from experimental data...
Resource Type:: Dissertation

Anomalous diffusion of Ga and As from semi-insulating GaAs substrate into MOCVD grown ZnO films as a function of annealing temperature and its effect on charge compensation

Creator:: Biswas, Pranab, Halder, Nripendra N., Kundu, Souvik, Banerji, P., Shripathi, T., and Gupta, M.
Abstract:: The diffusion behavior of arsenic (As) and gallium (Ga) atoms from semi-insulating GaAs (SI-GaAs) into ZnO films upon post-growth annealing vis-`a-vis the resulting charge compensation was investigated with the help of x-ray photoelectron spectroscopy (XPS) and secondary ion mass spectroscopy. The films, annealed at 600 °C and 700 °C showed...
Resource Type:: Article
Full Text:: and its effect on charge compensation. AIP Advances, 4(5), 057108. doi:10.1063/1.4876236 10.1063

ScholarsArchive@OSU

Potential for ethanol production from conservation reserve program lands in Oregon

Investigating 2D semiconductor contacts for Cooper-pair light-emitting diode applications

Internal photoemission spectroscopy determination of barrier heights between Ta-based amorphous metals and atomic layer deposited insulators

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Characterization of CoGe Thin Films and Powders

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

A technique for error estimation of linewidth and damping parameters extracted from ferromagnetic resonance measurements

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Electronic and Optical Properties of Organic Semiconductors : Experiment and Simulation

Anomalous diffusion of Ga and As from semi-insulating GaAs substrate into MOCVD grown ZnO films as a function of annealing temperature and its effect on charge compensation

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