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Filtering by: Alternative title ssim Circular of information no. 146 Remove constraint Alternative title ssim: Circular of information no. 146 Committee Member Tate, Janet Remove constraint Committee Member: Tate, Janet Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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  • Evaluation of Materials for Use in Open-Cycle Magnetohydrodynamic Power Generation

    Creator:
    Bowen, Michael S.
    Abstract:
    Recent interest in oxy-fuel combustion for carbon capture, as well as advancements in technologies such as magnetics, materials, and computational modeling has sparked renewed interest in magnetohydrodynamic (MHD) power generation. The increased temperatures of oxy-fuel combustion versus air-fuel combustion poses a challenge in the selection of materials for plasma exposed...
    Resource Type:
    Masters Thesis
    Full Text:
    vast databases of information on phases in the form of both x-ray diffraction (XRD) data and density

  • Geometric reasoning in an active-engagement upper-division E&M classroom

    Creator:
    Cerny, Leonard Thomas
    Abstract:
    A combination of theoretical perspectives is used to create a rich description of student reasoning when facing a highly-geometric electricity and magnetism problem in an upper-division active-engagement physics classroom at Oregon State University. Geometric reasoning as students encounter problem situations ranging from familiar to novel is described using van Zee...
    Resource Type:
    Dissertation
    Full Text:
    there is no mention of students struggling, having difficulties, or having deficiencies. Instead there

  • 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
    Full Text:
    (2.2) If there is no electric field applied to the metal, the average velocity of the electrons at any

  • Generating and using terahertz radiation to explore carrier dynamics of semiconductor and metal nanostructures

    Creator:
    Jameson, Andrew D.
    Abstract:
    In this thesis, I present studies in the field of terahertz (THz) spectroscopy. These studies are divided into three areas: Development of a narrowband THz source, the study of carrier transport in metal thin films, and the exploration of coherent dynamics of quasi-particles in semiconductor nanostructures with both broadband and...
    Resource Type:
    Dissertation
    Full Text:
    both amplitude and phase information of the THz field. This allows direct access to fundamental

  • 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
    Full Text:
    scalar neutron flux, as opposed to an angular neutron flux. Hence, it carries no information on neutron

  • Synthesis, structure and properties of some transition metal oxides

    Creator:
    Li, Jun
    Abstract:
    See pdf
    Resource Type:
    Dissertation
    Full Text:
    Neutron Diffraction 145 6.3 Results 146 TABLE OF CONTENTS (Continued) Page 6.3.1 Single Crystal and

  • Design, fabrication and application of a microfluidic nanofiltration module for separation and purification of macromolecules and nanoparticles

    Creator:
    Rundel, Jack T.
    Abstract:
    A microfluidic nanofiltration module has been designed, fabricated and applied to the continuous-flow, pressure-driven, post-synthetic purification of macromolecules and nanoparticles via diafiltration using a commercially available organic solvent resistant nanofiltration membrane, STARMEM 122. This module will readily interface with other microscale components within a "nanofactory" for the rapid synthesis, purification...
    Resource Type:
    Dissertation
    Full Text:
    mixture of polymers. No distinct Tg or Tm is evident in the DSC of SMA. However, this does correlate

  • Structure-property relationships in oxides containing tellurium

    Creator:
    Siritanon, Theeranun
    Abstract:
    Oxides of post-transition metals often show unique structures and properties due to the presence of lone pair electrons and the diffused s orbitals. The present work focuses on synthesis and characterizations of oxides containing Te, a heavy post transition metal. New series of pyrochlore oxides of the formula Cs(M,Te)₂O₆ (M...
    Resource Type:
    Dissertation
    Full Text:
    and volume vary monotonically with no indication of miscibility gap. The metal-insulator transition

  • Investigation of the structural influence on the properties of functional inorganic oxides

    Creator:
    Laurita-Plankis, Geneva
    Abstract:
    While properties are extremely important from an application point of view, it is crucial to have a detailed understanding of the underlying structural influence. Once a concrete correlation between the structure and the observed property is established, rational design of novel materials with optimized properties can be realized. These optimized...
    Resource Type:
    Dissertation
    Full Text:
    discuss my research. During these meeting I learned an invaluable amount of information about structural

  • Monte Carlo simulations of magnetic semiconducting Superlattices

    Creator:
    Scott, Silas Menlo
    Abstract:
    Computer simulations invoking the Metropolis Algorithm and Monte Carlo techniques were constructed to model the behavior ofvarious systems of magnetic semiconductors. Among the systems modeled were bulk type II FCC antiferromagnets and simple cubic thin films and superlattices. Studies of bulk antiferromagnets revealed dependence of Neel Temperature on nearest neighbor...
    Resource Type:
    Dissertation
    Full Text:
    from this section by no means symbolizes lack of thanks, merely absentmindedness on my part. Thank