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Filtering by: Creator Lam, Adam Q. Remove constraint Creator: Lam, Adam Q. Academic Affiliation Chemistry Remove constraint Academic Affiliation: Chemistry Committee Member Lerner, Michael Remove constraint Committee Member: Lerner, Michael

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  • 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:
    Schematic of the derivation of Q from an elastic scattering event ( ki = kf) .......23 2.4 Interaction of

  • Femtosecond Stimulated Raman Studies of Excited State Structural Events

    Creator:
    Tang, Longteng
    Abstract:
    Femtosecond stimulated Raman spectroscopy (FSRS) is an ultrafast vibrational technique which allows rapid collection of Raman spectra with simultaneously high temporal and spectral resolution. With the recent development of FSRS methodology, three FSRS techniques (conventional, tunable, and anti-Stokes) have been implemented in our laboratory to dissect the excited state structural...
    Resource Type:
    Dissertation

  • Structural Elucidation of Metal-Oxo Systems by X-Ray Scattering Methods

    Creator:
    Kozma, Karoly
    Abstract:
    Metal-oxo clusters are discrete molecular metal-oxides. Most metals form numerous cluster compounds that can be ligated, unligated, charged or neutral, controlling their solubility in water and/or organic solvents. They are important species to study reaction pathways from the monomeric building units to the bulk metal oxides, and have many application...
    Resource Type:
    Dissertation
    Full Text:
    Department of Chemistry and Oregon State University: for supporting my research. Adam Mate for his

  • Monolithic sorbents for microscale separations

    Creator:
    Doneanu, Angela
    Abstract:
    Over the last decade, the miniaturization of analytical systems has become an increasingly important and interesting research area. Miniaturized systems offer many advantages, including reduced reagent and sample consumption, shorter analysis times, portability and disposability. This dissertation describes novel approaches in this direction, focusing on two areas: the miniaturization of...
    Resource Type:
    Dissertation
    Full Text:
    surface was renewed by treatment with a solution containing dimethyloctadecyichiorosilane. Adam et al

  • Structure-property relationships of YbFe₂O₄-type layered transition metal oxides

    Creator:
    Grajczyk, Rosa
    Abstract:
    The structure–property relationships of solid solutions within the YbFe₂O₄ family of compounds have been studied in relation to their optical, dielectric and magnetic properties. This family of compounds is of recent interest because of the trigonal bipyramid coordination that is rarely observed in transition metal oxides. The systematic study of...
    Resource Type:
    Dissertation
    Full Text:
    manuscript. Chapter 5: Dr. Mas Subramanian, Dr. Art Ramirez and Adam Chan contributed in the

  • Unlocking Water's Potential for Energy Storage: Abundant Materials for a Ubiquitous Problem

    Creator:
    Leonard, Daniel P.
    Abstract:
    Water is an absolute necessity for life as we know it. It provides a useful medium in which chemical reactions take place that allowed for the development of single cellular organisms. When combined with the evolutionary accident that was pho- tosynthesis, water became not only a useful medium chemical reactions,...
    Resource Type:
    Dissertation

  • Preparation and characterization of polymer-SiO₂ hybrids

    Creator:
    Ferguson, Morgan L.
    Abstract:
    In a search for designed materials that mimic those found in biological systems, combining polymers with inorganic materials in sol-gel chemistry processes has gained momentum in the research world since the 1990's. This work methodically investigated the properties of several related polymer-SiO₂ hybrids prepared by a simple methodology that could...
    Resource Type:
    Dissertation

  • Precursor Chemistry and Film Structure and Properties via Solution Deposition

    Creator:
    Huang, Yu
    Abstract:
    Chemistry of preparing dense film from solution deposition is explored with several cases in this thesis. Surface dense structure, conversion at melting point, and ion exchange in aqueous solution are the main topics covered here for the thin films of aluminum oxide phosphate and tin dioxide. Thin film density, optical...
    Resource Type:
    Dissertation

  • Designing Functional Materials Based on Pyrochlore Oxides: The Role of Mixed Valence and Complex Stoichiometry

    Creator:
    Converse, Elizabeth Maria Sobalvarro
    Abstract:
    Solid state inorganic oxides play an important role in next generation electronics based on their stability, versatility, and enhanced properties over other materials. However, in order to design or tune these materials for a desired functionality it is necessary to fully understand the structure behind the properties exhibited. This dissertation...
    Resource Type:
    Dissertation

  • Tracking Photoinduced Primary Events with Femtosecond Stimulated Raman Spectroscopy and Calculations

    Creator:
    Wang, Yanli
    Abstract:
    Femtosecond stimulated Raman spectroscopy (FSRS) is a powerful ultrafast technique which can track photoinduced excited state structural events on femtosecond (fs) to picosecond (ps) timescales. In addition to high temporal and spectral resolutions, FSRS provides a broad spectral window from ca. 100—2000 cm-1 for detection, enabling the direct mapping of...
    Resource Type:
    Dissertation