Index Catalog // ScholarsArchive@OSU

A microscopic study of the interaction between aliovalent dopants and native defects in group IV oxides : indium and cadmium in ceria and zirconia

Creator:: Zacate, Matthew O.
Abstract:: In order to understand better the defect structure and dynamics associated with lower valent dopants complexed with native defects in group IV oxides, In/Cd perturbed angular correlation spectroscopy was performed in ceria and zirconia. Examining the orientation symmetry axis of defects in ceria single crystals at low temperature has allowed...
Resource Type:: Dissertation
Full Text:: THE THESIS OF Matthew 0. Zacate for the degree of Doctor of Philosophy in Physics presented on

Student views on science and the scientific process : studying changes made in a redesigned non-major introductory science course

Creator:: Price, Matthew F.
Abstract:: The purpose of this study was to understand how instruction in an introductory nonmajor astronomy course at Oregon State University affects how non-science majors view science and the scientific process. The study used research-based methods to design a reform-based lecture/lab course and implement it for students. Two top-level questions were...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Matthew F. Price for the degree of Doctor of Philosophy in

Nonlinear Terahertz Spectroscopy and imaging of Carbon Nanomaterials

Creator:: Lee, Byounghwak
Abstract:: This dissertation presents nonlinear terahertz (THz) properties of carbon nanomaterials investigated by time-resolved high-field THz spectroscopy. In order to determine THz characteristics of nanomaterials, we performed THz power spectrum measurement, THz raster imaging, THz time-domain spectroscopy (THz-TDS) and time-resolved pump-probe experiment on two different types of single layer graphene and...
Resource Type:: Dissertation
Full Text:: ( , (c) DFG ( , (d) OR ( , and (e) Pockels effect ( ………………...…21 2.7

Scanning photocurrent microscopy study of photovoltaic and thermoelectric effects in individual single-walled carbon nanotubes

Creator:: DeBorde, Tristan
Abstract:: Carbon Nanotubes are a unique family of nanostructures that have shown remarkable promise for mechanical, electrical, and optical applications. Fundamentally similar to the earlier discovered Buckminsterfullerene (C₆₀), carbon nanotubes are hollow cylinders formed from a single sheet of carbon atoms. The research presented in this dissertation investigates several carbon nanotube...
Resource Type:: Dissertation
Full Text:: . Mathematically this constraint can be expressed as, k⊥ ∙ C = k⊥πd = 2πp, (1.1) where C is the chiral vector

Experimental Investigation of the Transition to Natural Convection in HTGR Applications using the Oregon State SFSETF

Creator:: Fishler, Joshua D.
Abstract:: High Temperature Gas Reactors (HTGRs) are positioned to disrupt local and global markets via their unique ability to produce carbon-free process heat, high efficiency power generation, and passively safe operational features. However, significant impediments still exist to delay deployment of this particular technology, including a lack of experimental data, verified...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua D. Fishler

Use of BC-523a liquid scintillator for simultaneous neutron spectroscopy and gamma counting with the implementation of a neutron history reconstruction algorithm

Creator:: Frey, Wesley D.
Abstract:: Real-time, high efficiency neutron spectroscopy has, historically, been a persistent challenge in the field of radiation detection and, for the most part, has gone unsolved. The most promising method to resolve this challenge, is the boron-capture technique using an organic scintillation system (BC-523a). Detectors that utilize this method possess an...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Wesley D. Frey for the degree of Doctor of Philosophy in Radiation

Optical, electronic, and thermodynamic properties of layered mixed anion compounds

Creator:: Vielma, Jason Michael
Abstract:: Mixed anion compounds that form ZrCuSiAs-type crystal structures exhibit remarkable properties such as superconductivity at low temperatures, hole conduction with optical transparency in the visible region, and exciton absorption at room temperature. In this thesis, properties of a selected group of materials out of the very large set of mixed...
Resource Type:: Dissertation
Full Text:: fluorochalcogenides BaCuChF have drawn much interest in recent years as p-type wide bandgap semiconductors with

Exchange interaction studies in magnetic semiconductors by neutron scattering

Creator:: Wiren, Zachary Quincy
Abstract:: Theories predict that making a dilute magnetic semiconductor strongly p -type would allow it to remain ferromagnetic at room temperature. This is of intrest as a ferromagnetic semiconductor would allow for a great many applications in the field of spintronics. Neutron scattering experiments were undertaken to better understand the antiferromagnetic...
Resource Type:: Dissertation
Full Text:: values in the case of lighter elements stems from the corre- sponding increase in p-d hybridization and

Creating Community: A Case Study of Students’ Experiences in Inquiry-Based Learning

Creator:: Schaub, Branwen
Abstract:: We now have broad consensus in the mathematics education research community that active, inquiry-based classrooms provide a wealth of learning benefits for students (Freeman et al., 2014; Laursen et al., 2014; Theobald et al., 2020). Classrooms that utilize inquiry throughout the entire structure of the course, as opposed to the...
Resource Type:: Dissertation
Full Text:: (4) instructors foster equity in their design and facilitation choices (p. 138). Given the wide

Community Colleges Creating Academic Programming for Rural Areas

Creator:: Garcia-Chitwood, Jean
Abstract:: Community colleges serve various populations as part of their missions. Many community colleges serve the people who live in rural communities and are challenged with fewer financial resources. The term rural is not easily defined, and many variables need to be considered when creating academic programming for rural populations. There...
Resource Type:: Dissertation
Full Text:: and review feedback, and (d) identify resources. These steps follow the apparently successful

ScholarsArchive@OSU

A microscopic study of the interaction between aliovalent dopants and native defects in group IV oxides : indium and cadmium in ceria and zirconia

Student views on science and the scientific process : studying changes made in a redesigned non-major introductory science course

Nonlinear Terahertz Spectroscopy and imaging of Carbon Nanomaterials

Scanning photocurrent microscopy study of photovoltaic and thermoelectric effects in individual single-walled carbon nanotubes

Experimental Investigation of the Transition to Natural Convection in HTGR Applications using the Oregon State SFSETF

Use of BC-523a liquid scintillator for simultaneous neutron spectroscopy and gamma counting with the implementation of a neutron history reconstruction algorithm

Optical, electronic, and thermodynamic properties of layered mixed anion compounds

Exchange interaction studies in magnetic semiconductors by neutron scattering

Creating Community: A Case Study of Students’ Experiences in Inquiry-Based Learning

Community Colleges Creating Academic Programming for Rural Areas

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