Index Catalog // ScholarsArchive@OSU

Classical Density Functional for the Weeks-Chandler-Andersen Soft-Sphere Repulsive Potential using Soft Fundamental Measure Theory

Creator:: Finster, Kirstie L.
Abstract:: We present a classical density functional to model the soft, repulsive potential of a Weeks-Chandler-Andersen (WCA) fluid using Soft Fundamental Measure Theory (SFMT) with temperature-dependent parameters inspired by the Barker-Henderson method. Our functional uses soft spheres to model the soft-sphere WCA potential, and gives results that are in good agreement...
Resource Type:: Dissertation
Full Text:: Measure Theory Abstract approved: David Roundy We present a classical density functional to model the

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
Full Text:: Energies of Semiconductors Abstract approved: David H. McIntyre A method for bandgap energy

Nonlinear terahertz spectroscopy of carbon nanomaterials and semiconductor nanostructures

Creator:: Paul, Michael Jason
Abstract:: This thesis will cover my work relating to the developing field of terahertz (THz) science and technology. It will present experimental and theoretical studies investigating the optical and electrical properties of various material systems using novel THz imaging and spectroscopy techniques. Due to its low photon energy, THz imaging and...
Resource Type:: Dissertation
Full Text:: Electromagnetic boundary conditions for anisotropic media . . . . . 62 2.17 Transmission ray trace through a thin

Multicellular monolayer’s self-organization under external stimuli

Creator:: Li, Guanyu
Abstract:: Cell signaling under external stimulation is a critical mechanism that governs many biological processes such as cell proliferation, cell migration, and cell apoptosis, etc. For multicellular organisms, the ability to synchronize heterogeneous individual cellular responses through intercellular communication is crucial to maintain normal functionality. However, even though the biological pathways...
Resource Type:: Dissertation
Full Text:: Ph.D and master degree, David McIntyre, Ethan Minot, Weihong Qiu. I would like to give special thanks

Light-matter interactions : from the photophysics of organic semiconductors to high spatial resolution optical tweezer-controlled nanoprobes

Creator:: Kendrick, Mark J.
Abstract:: Studies of light-matter interactions in organic semiconductors and in optical tweezer trapping of nanoparticles are presented. In the research related to organic semiconductor materials, a variety of novel materials and their composites have been characterized, and physical mechanisms behind their optoelectronic properties have been established. Three novel functionalized hexacene derivatives...
Resource Type:: Dissertation
Full Text:: are truly inspirational. I would also like to thank Dr. David McIntyre, for his guidance and

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

Single-Molecule Characterization of the Stepping Mechanism of the Orphan Kinesin PAKRP2

Creator:: Gicking, Allison M.
Abstract:: The phragmoplast associated kinesin, PAKRP2, from the model organism Arabidopsis thaliana is categorized as an orphan, or ungrouped, kinesin due to structural divergences from the established 14 kinesin families. An early study on PAKRP2 found that it localized to the phragmoplast mid zone during the late stages of cell division...
Resource Type:: Dissertation
Full Text:: committee members – Ethan Minot, David Hendrix, Bo Sun and Andreas Schmittner – for giving me time out of

Synthesis and Analysis of Heterostructural Semiconductor Alloy Sn1-xCaxCh (Ch=S, Se) and Nitrides Zn1-xWxN and Zn1-x(W1-yMoy)xN

Creator:: Matthews, Bethany E.
Abstract:: This work explores the synthesis and characterization of the metastable alloys Sn1-xCaxCh (Ch= S, Se) and nitride compounds Zn-W-Mo-N, which have recently been predicted by theorists. Single phase thin films of Sn1-xCaxS are prepared by pulsed laser deposition and radio-frequency magnetron sputtering and of Sn1-xCaxSe are prepared by pulsed laser...
Resource Type:: Dissertation
Full Text:: also explored using STEM EDS (scanning transmission electron microscopy energy dispersive x-ray

Supporting Learning and Thinking with Multiple Representations in Upper Division Physics Courses

Creator:: Alfson, Jonathan W.
Abstract:: Physicists solve problems and communicate their work using many external representations, such as equations, words, diagrams, graphs, sketches, pictures, and more. To learn physics, then, students must learn to use external representations. In this dissertation, I present three manuscripts. Each manuscript discusses how upper-division Paradigms in Physics students use multiple...
Resource Type:: Dissertation
Full Text:: , and adventure buddy. David Lewin, and Monica Lewin have supported me and made me an uncle. I thank

Amorphous TiO₂ : A Thin Film Synthesis Route to Stabilization of Metastable TiO₂ Brookite

Creator:: Haggerty, James E. S.
Abstract:: Structure-specific synthesis processes are of key importance to the growth of polymorphic functional compounds such as TiO₂, where material properties strongly depend on structure as well as chemistry. The robust growth of the brookite polymorph of TiO₂, a promising photocatalyst, has been difficult in both powder and thin-film forms due...
Resource Type:: Dissertation and Video
Full Text:: Ceder’s group. Initial PLD of films was performed at NREL by Lauren Garten in David Ginley’s group

ScholarsArchive@OSU

Classical Density Functional for the Weeks-Chandler-Andersen Soft-Sphere Repulsive Potential using Soft Fundamental Measure Theory

Measurement of optical bandgap energies of semiconductors

Nonlinear terahertz spectroscopy of carbon nanomaterials and semiconductor nanostructures

Multicellular monolayer’s self-organization under external stimuli

Light-matter interactions : from the photophysics of organic semiconductors to high spatial resolution optical tweezer-controlled nanoprobes

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Single-Molecule Characterization of the Stepping Mechanism of the Orphan Kinesin PAKRP2

Synthesis and Analysis of Heterostructural Semiconductor Alloy Sn1-xCaxCh (Ch=S, Se) and Nitrides Zn1-xWxN and Zn1-x(W1-yMoy)xN

Supporting Learning and Thinking with Multiple Representations in Upper Division Physics Courses

Amorphous TiO₂ : A Thin Film Synthesis Route to Stabilization of Metastable TiO₂ Brookite

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