Index Catalog // ScholarsArchive@OSU

Fourier Analysis of Smartphone Call Quality

Creator:: Dempsey, Zackery E.
Abstract:: In recent decades, the cell phone has provided a convenient form of long-distance communi-cation to the general public. Despite the technological improvements since, cell phones and their smartphone successors have suffered from a lack of clarity over a typical voice call, a result of their limited bandwidth. New phone services,...
Resource Type:: Undergraduate Thesis
Full Text:: improvements made to cell phones over the decades, no one has taken much time to improve the speakers

Fabrication and low-temperature measurement of quantum devices

Creator:: Nichols, Dublin M.
Abstract:: Since the advent of graphene, research on 2D materials has exploded. Countless experiments have uncovered novel properties that emerge when different layered crystals are cleaved down to only a few atomic layers in thickness. The most popular of these non-graphene 2D materials is MoS2, a semiconductor which has been of...
Resource Type:: Undergraduate Thesis
Full Text:: custom-fabricated measurement probe, we report the measurement of a metallic carbon nanotube field

Exploring the Optical and Electronic Properties of Xylindein, a Fungus-Derived Pigment, as a Sustainable Organic Semiconductor

Creator:: Quinn, Alexander
Abstract:: Xylindein is an organic pigment derived from Chlorociboria aeruginascens and C. aeruginosa fungi that has shown promise as an organic semiconductor. Preliminary estimates of charge carrier mobilities (CCMs) on the order of 0.1 cm2/Vs were calculated from early tests on xylindein thin films, and photocurrents were also observed under laser...
Resource Type:: Undergraduate Thesis
Full Text:: in this report, with comparisons made between the observed characteristics of xylindein and those of

Photodimerization of Organic Semiconductors in the Strong Coupling Regime

Creator:: Puro, Richard
Abstract:: Organic semiconducting materials have emerged in the last few decades as viable alternatives to inorganics in broad applications from field effect transistors to LEDs to solar cells. Organics provide many benefits over inorganics such as flexibility, sustainability, and reduced cost. However, these materials are more susceptible to degradation in the...
Resource Type:: Undergraduate Thesis
Full Text:: tetracene, had been observed exclusively prior to this report. Optical properties and chemical structure

Characterizing Optical Signatures of TiO₂ Amorphous Precursors

Creator:: Berry, Patrick
Abstract:: TiO₂ typically crystallizes into three polymorphs: brookite, rutile, and anatase. The phase selection problem in TiO₂ is the lack of understanding what conditions cause amorphous TiO₂ to crystallize into one of its three polymorphs during an annealing process. It has been recently shown that phase selection in TiO₂ is highly...
Resource Type:: Undergraduate Thesis
Full Text:: reflected in Table 1, and through the rest of this report. Sample No. Dominant Polymorph

Development of a Brownian Motion Experiment for an Undergraduate Laboratory Course

Creator:: Wennstrom, Elena
Abstract:: A new class at Oregon State, PH 317: Experimental Physics, is designed to simulate a traditional laboratory research experience for undergraduate students. Several weeks of the class is devoted to Brownian motion experiments. Although this is a common topic for undergraduate lab classes, the experiment still needed some basic exploration...
Resource Type:: Undergraduate Thesis
Full Text:: no spot filtering . . . . . . . . . . . . . . . . . . . . . . 16 2.6 A fully filtered and tracked 3

Projected temperature and precipitation changes for Corvallis and Los Angeles for the 2030-2059 period using the Hadley Center's regional climate model (HadRM3P).

Creator:: Cheema, Karandeep Singh
Abstract:: Average monthly temperatures (maximum and minimum) and precipitation patterns are expected to change as a direct consequence of anthropogenic climate change. Temperatures are expected to be warmer in the future but precise estimates vary depending on factors like number of ensembles and emission scenario. For this study, we used 100...
Resource Type:: Undergraduate Thesis
Full Text:: twice that for the last 100 years i.e. warming at an accelerated rate. The report also found that the

Complex Index of Refraction of Multi-walled Carbon Nanotubes in Strong Terahertz Fields

Creator:: McCuen, Dalton R.
Abstract:: Carbon nanotubes are the subject of intense interest in virtually every field, from medicine to nano-scale electrical components. Multi-walled nanotubes exhibit a strong nonlinear response to high-field strength terahertz radiation. This research uses terahertz pulses with field strength exceeding 1 MV/cm generated by means of optical rectification utilizing a lithium...
Resource Type:: Undergraduate Thesis
Full Text:: over an entire spectrum. This report focuses on the terahertz portion of the spectrum, using strong

Understanding change: surface manipulative-activities as a tool for addressing student difficulties in thermodynamics

Creator:: Siegel, Reese R.
Abstract:: Multivariable functions permeate physics, mathematics, and other sciences. Understanding how quantities in multivariable relationships change together – or co-vary – is important for studying physical systems. In this project, we asked junior-level physics majors to describe the covariation of quantities in a multivariable context given a 2D graph. We identified...
Resource Type:: Undergraduate Thesis
Full Text:: preliminary report on the progress of the Raising Calculus project. At this time the findings were mostly

Electrical Transport Measurements on the Alloy Sn₁-ₓCaₓSe

Creator:: Stahly, Joshua
Abstract:: Hall measurements can be made on the unstudied alloy, Sn₁-ₓCaₓSe to determine its electrical transport properties. The Sn₁-ₓCaₓSe samples were made by laser deposition into thin films and have a variable of calcium concentration x. These samples are approximately 250 nm in thickness, were grown at 366° C and are...
Resource Type:: Undergraduate Thesis
Full Text:: different types of alloys and semiconductors are used in the current industry and will no doubt be used in

ScholarsArchive@OSU

Fourier Analysis of Smartphone Call Quality

Fabrication and low-temperature measurement of quantum devices

Exploring the Optical and Electronic Properties of Xylindein, a Fungus-Derived Pigment, as a Sustainable Organic Semiconductor

Photodimerization of Organic Semiconductors in the Strong Coupling Regime

Characterizing Optical Signatures of TiO₂ Amorphous Precursors

Development of a Brownian Motion Experiment for an Undergraduate Laboratory Course

Projected temperature and precipitation changes for Corvallis and Los Angeles for the 2030-2059 period using the Hadley Center's regional climate model (HadRM3P).

Complex Index of Refraction of Multi-walled Carbon Nanotubes in Strong Terahertz Fields

Understanding change: surface manipulative-activities as a tool for addressing student difficulties in thermodynamics

Electrical Transport Measurements on the Alloy Sn₁-ₓCaₓSe

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

Language

License

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search