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  • Organic Semiconductors : Incorporating Xylindein into (Opto)Electronic Devices

    Creator:
    Rath, Jeremy J.
    Abstract:
    This research investigates the electronic properties of a fungi-derived pigment, xylindein as a novel sustainable material for organic electronics. Xylindein molecules were characterized in solution and in film. Absorption spectra and (photo)luminescence spectra were taken at various excitation wavelengths. Xylindein’s molecular properties were computed with the Gaussian 09 software suite....
    Resource Type:
    Undergraduate Thesis

  • High Field Terahertz Spectroscopy of Optically Excited Gallium Arsenide

    Creator:
    Compeau, James
    Abstract:
    High field time-domain terahertz spectroscopy (TDS) is used to determine the time dependent transmission and the time-delay and optical-power dependent conductivity of a wafer of gallium arsenide (GaAs). Gallium arsenide is a direct band-gap semiconductor and has potential as a computer processor component. Analysis of the transmission of terahertz (THz)...
    Resource Type:
    Undergraduate Thesis

  • Quantifying the Effects of Acoustic Coupling on Advanced LIGO

    Creator:
    Banowetz, Katherine
    Abstract:
    The Laser Gravitational Wave Observatory, or LIGO, is built to observe gravitational waves as they propagate through space. Advanced LIGO is extremely sensitive to movements of the test mass as small as 10⁻²¹ m/√Hz , which allows many signals other than gravitational waves to be detected by the system. Pressure...
    Resource Type:
    Undergraduate Thesis
    Full Text:
    would like to acknowledge Dr. Janet Tate for her guidance with writing and my fellow classmates whom

  • Design of an Optical Medium for the Simulation of Neutron Transport in Reactor Component Materials

    Creator:
    Konyndyk, David M.
    Abstract:
    The scattering of optical rays by small spherical particles bears a strong resemblance to the diffusion of fission neutrons in solid materials. This work explores the feasibility of exploiting similarities between these two systems for the purposes of reactor component analysis, education, and outreach. After a brief overview of reactor-environment...
    Resource Type:
    Undergraduate Thesis

  • The contact value approximation to the pair distribution function for an inhomogeneous hard sphere fluid

    Creator:
    Lurie-Gregg, Paho
    Abstract:
    We construct the contact value approximation (CVA) for the pair distribution function, g(²)(r₁, r₂), for an inhomogeneous hard sphere fluid. The CVA is an average of two radial distribution functions, which each take as input the distance between the particles, |r₂ −r₁|, and the average value of the radial distribution...
    Resource Type:
    Undergraduate Thesis

  • Cancer Cell Detection with Mask R-CNN

    Creator:
    Wong, Ryan
    Abstract:
    Instance segmentation, the classification and localization of objects in an image, is a problem in cellular biophysics due to the physiological relevance of cell morphology. Particularly, cancer cells migrate in tissue space by changing their body shape similarly to how humans extend their limbs to swim through water. Monitoring such...
    Resource Type:
    Honors College Thesis
    Full Text:
    project of Ryan Wong presented on 6/3/21. APPROVED: Bo Sun, Mentor, representing Physics Janet Tate

  • Isolating Non-Blackbody Radiation Spectra from Low-Bandgap LEDs near Zero Bias

    Creator:
    Teo, YiPeng
    Abstract:
    The study of carrier transport in light-emitting diode (LED) has been researched extensively in the past. However, most studies were implementing voltages above the turn-on voltage of the LED. Research on LEDs well below the turn-on voltage threshold is comparatively scarce for good reasons. When the supply voltage is below...
    Resource Type:
    Honors College Thesis
    Full Text:
    _____________________________________________________________________ Janet Tate, Committee Member, representing Oregon State University College of Science

  • Modeling the Fusion Reaction in an Inertial Electrostatic Confinement Reactor with the Particle-in-Cell Method

    Creator:
    van de Lindt, Jacob
    Abstract:
    Nuclear fusion has the potential to meet the energy needs of our civilization for centuries to come and does not produce harmful greenhouse gasses or produce long-lasting radioactive waste. A fusion reaction can be readily demonstrated in a confinement scheme known as inertial electrostatic confinement (IEC) fusion. In this work,...
    Resource Type:
    Honors College Thesis
    Full Text:
    _____________________________________________________________________ Janet Tate, Committee Member, representing the Department of Physics

  • Consistent Histories Formulation of the Double-Slit Experiment

    Creator:
    Bauml, Benjamin N.
    Abstract:
    The standard interpretation of quantum mechanics (known as the Copenhagen interpretation) divides the world into quantum phenomena and classical observers that perform measurements upon the phenomena. This provides a quite functional framework for calculating probabilities of measurement outcomes, but it lacks the generality necessary for such things as retrodiction, and...
    Resource Type:
    Honors College Thesis
    Full Text:
    , representing Physics Janet Tate, Committee Member, representing Physics Toni Doolen, Dean, Oregon State

  • Broad Histogram Algorithm Comparison for the Square Well Fluid

    Creator:
    Simpson, Tanner T.
    Abstract:
    Thermodynamic properties of systems are often investigated computationally. Traditionally, thermal physics simulations are limited by their very small energy ranges and slow convergence. Broad histogram algorithms are a class of Monte Carlo algorithms that can explore an entire energy (and temperature) range in one thermal physics simulation: potentially saving months...
    Resource Type:
    Honors College Thesis
    Full Text:
    Department of Physics Bo Sun, Committee Member, representing Department of Physics Janet Tate, Committee