Index Catalog // ScholarsArchive@OSU

Destabilization of a Stratified Shear Layer by Ambient Turbulence

Creator:: Li, Lin
Abstract:: A small eddy viscosity or mass diffusivity that varies with height has been found to have unexpected effects on the Kelvin-Helmholtz (KH) instability of a stably stratified shear layer near the neutral stability boundary. In particular, varying viscosity can increase the growth rate of the instability in contrast to the...
Resource Type:: Masters Thesis

Student Evaluative Sensemaking on Homework in Intermediate Mechanics

Creator:: Hahn, Kelby T.
Abstract:: Physicists seek to understand the world and often use mathematics to aid in attaining that goal. Thus when doing mathematics they often interrogate their results in order to ensure that they align with their expectations and to gain new insight into how the world works. This seeking of coherence between...
Resource Type:: Masters Thesis

Intracellular Measurement of Neurons Using the Sharp Electrode Technique

Creator:: Howard, Jay F.
Abstract:: The Brain Research through Advanced Innovative Neurotechnologies (BRAIN) initiative seeks to understand how ensembles of neurons create neural networks. The initiative has spurred the pursuit of developing novel experimental tools for investigating how individual neurons propagate electrical signals (action potentials) to produce ensemble behavior. Classical techniques to measure the internal...
Resource Type:: Masters Thesis

Student & textbook presentation of divergence

Creator:: Smith, Emily M.
Abstract:: This thesis explores student understanding of divergence in physics settings. The various uses of divergence in physics are detailed. Textbook approaches to divergence are categorized as geometric, curvilinear coordinate, discussion-based, and algebraic statement. Textbook approaches to the divergence theorem are categorized as geometric, equivalent integrals, mathematical statement with explanation, and...
Resource Type:: Masters Thesis

Thermal conductivity measurements of amorphous metal thin films via the 3ω method

Creator:: Zhan, Kai
Abstract:: Amorphous multicomponent metals have promising applications in novel electronic devices because of their atomically smooth surface morphology and lack of grain boundaries. It is important to understand the thermal transport properties of amorphous metals and an accurate measurement of their thermal conductivity will be essential for further improvement of device...
Resource Type:: Masters Thesis

Redundant information in a spin system beyond pure decoherence

Creator:: Svesko, Andrew M.
Abstract:: Quantum physics in the Copenhagen interpretation places an unsatisfying divide between the quantum and classical worlds. Decoherence -- the destruction of superposition states of the system -- helps us understand how the quantum transitions to the classical. Quantum Darwinism builds on decoherence to understand how information about the system is...
Resource Type:: Masters Thesis

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

Creator:: Maizy, Louis
Abstract:: In this thesis, I present studies in the field of terahertz [THz] spectroscopy. It covers both the generation and detection of ultra-fast broadband THz pulses, as well as the transmission properties of vertically grown multi-walled carbon nanotube forests [MWCNTs]. We have found that these vertically grown MWCNTs respond strongly to...
Resource Type:: Masters Thesis

Comparison of carbon nanotube and graphene field-effect transistor biosensors

Creator:: Saltzgaber, Grant William
Abstract:: Detection of biomolecules is important for the diagnosis and treatment of diseases. Low concentration detection, specific biomolecule detection, and point-of-care use are appealing characteristics for biosensors because of the possibility of early detection and quick results of specific biomolecules. Furthermore, inexpensive biosensors are appealing so that they are accessible to...
Resource Type:: Masters Thesis

Optical trapping and acoustical probing of ultrasound contrast agent microbubbles confined in capillaries

Creator:: Almaqwashi, Ali
Abstract:: In an effort to develop an optical-acoustical understanding of ultrasound contrast agent microbubble dynamics in a micro-environment that resembles blood vessels, this thesis presents experimental work on optical trapping and acoustical probing of ultrasound contrast agent microbubbles confined in regenerated cellulose capillaries. First, we showed by acoustical means that the...
Resource Type:: Masters Thesis

Measurement of optical bandgap energies of semiconductors

Creator:: Russell, Joshua A.
Abstract:: A method for bandgap energy determination using di use re ection is presented and compared to the traditional integrating sphere method. We have found the bandgap energies of ZnO, TiO₂, Cu₂O, Si, SnZrS₃, SnZrSe₃, Sn₂S₃, and BiCuOSe powders with both methods and found they agree within 0.03 eV. We have...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Destabilization of a Stratified Shear Layer by Ambient Turbulence

Student Evaluative Sensemaking on Homework in Intermediate Mechanics

Intracellular Measurement of Neurons Using the Sharp Electrode Technique

Student & textbook presentation of divergence

Thermal conductivity measurements of amorphous metal thin films via the 3ω method

Redundant information in a spin system beyond pure decoherence

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

Comparison of carbon nanotube and graphene field-effect transistor biosensors

Optical trapping and acoustical probing of ultrasound contrast agent microbubbles confined in capillaries

Measurement of optical bandgap energies of semiconductors

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