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  • Deposition and characterization of thin films

    Creator:
    He, Shidong
    Abstract:
    Recent studies have indicated that nickel gallium alloys can be effective for the catalytic hydrogenation of CO2 to methanol. To simplify the characterization of NiGa catalysts, we are developing model systems using NiGa thin films. We prepared NiGa thin films by RF magnetron sputtering using an equiatomic alloy target, followed...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: ______________________________________________________ Gregory S. Herman Recent studies

  • Characterization of Carboxylic Acids on Hafnium Oxide Thin Films

    Creator:
    Ray, Peter William
    Abstract:
    Hafnium Oxide thin films has had growing attention due hafnium oxide being used as a gate dielectric for MOSFET transistors and a potential next generation photoresist for sub 20 nm patterns. Extreme Ultra-Violet (EUV) lithography has been identified as the primary candidate technology for generation of sub-20 nm patterns. Current...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Gregory S. Herman Hafnium Oxide thin films has had growing attention due hafnium

  • Characterization of CoGe Thin Films and Powders

    Creator:
    Pfau, Andrew James
    Abstract:
    Cobalt germanides have been widely studied as semiconductor contact materials, but recent theoretical studies suggest that they may also be excellent catalysts for methane steam reforming with stabilities and activities comparable to noble metal catalysts. In order to study the catalytic activity of cobalt germanides, it is critical to first...
    Resource Type:
    Masters Thesis
    Full Text:
    . Herman    ABSTRACT  Cobalt germanides have been widely studied as semiconductor contact materials, but

  • Investigation of MoS2 with Ambient Pressure X-ray Photoelectron Spectroscopy

    Creator:
    Dardzinski, Derek P.
    Abstract:
    Molybdenum disulfide (MoS2) has potential applications as a low-cost catalyst for the hydrogen evolution reaction (HER). Defects on MoS2, such as edge sites and sulfur vacancies, are known to be the major active sites for HER. Controlling the formation of these defects allows for the enhancement in reactivity of MoS2...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Abstract approved:___________________________________________________________ Gregory Herman Molybdenum

  • Investigation of the Initial Stages of SiGe(001) Dry Thermal Oxidation Using Ambient-Pressure X-ray Photoelectron Spectroscopy

    Creator:
    Lorona, Shane P.
    Abstract:
    Ambient-pressure X-ray photoelectron spectroscopy has been used to study the initial stages of dry thermal oxidation of Si₀.₆₀Ge₀.₄₀(001) grown epitaxially on Si(001). Chemical state resolved AP-XPS was performed at temperatures up to 300 ˚C and O₂ pressures up to 1 mbar. Comparisons were made to Si(001) and Ge(001). The Si...
    Resource Type:
    Masters Thesis
    Full Text:
    : ____________________________________________________________ Gregory Herman Ambient-pressure X-ray photoelectron spectroscopy has been used to study

  • Functional materials for advanced energy and electronic devices

    Creator:
    Flynn, Brendan T.
    Abstract:
    Advances in energy technologies and electronics have typically occurred through either heightened performance or cost reduction. This dissertation explores both routes through a series of fundamental material studies that may contribute to the enabling of next generation devices. Solution based syntheses and deposition of chemical products offer a low cost...
    Resource Type:
    Dissertation
    Full Text:
    . Herman Advances in energy technologies and electronics have typically occurred through either

  • Characterization and Investigations of Thin-Film Materials with X-ray Photoelectron Spectroscopy

    Creator:
    Diulus, J. Trey
    Abstract:
    Surface characterization of materials is widely utilized over a range of disciplines and essential to the development of new materials, technology, or processes. Metal oxide nanoclusters have shown promise as potential new generation photoresist materials for extreme ultraviolet (EUV) nanolithography. Organotin clusters have been proposed as potential candidates for resist...
    Resource Type:
    Dissertation
    Full Text:
    approved: ______________________________________________________ Gregory S. Herman Surface

  • Metal Oxide Cluster Chemistries for Next Generation Nanomanufacturing

    Creator:
    Frederick, Ryan T.
    Abstract:
    Metal oxide clusters are promising inorganic photoresists in next generation nanomanufacturing because of their potential for high-resolution and low line-edge roughness patterning, and exceptional sensitivity to extreme ultraviolet (EUV) radiation. In EUV patterning, absorption of EUV radiation leads to electron emission that serve as a primary species for driving radiation...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: ______________________________________________________ Gregory S. Herman

  • Continuous flow synthesis of lead sulfide and copper indium diselenide nanocrystals

    Creator:
    Knapp, Michael W.
    Abstract:
    The use of size and shape tunable quantum confinement nanocrystals has many potential applications for use in semiconductors, optics and sensors. The synthesis of lead sulfide (PbS) and copper indium diselenide (CuInSe₂) nanoparticles are of particular interest for use in semiconductor, optoelectronics and bio-medical applications. The continuous synthesis of lead...
    Resource Type:
    Masters Thesis
    Full Text:
    to thank my committee members: Dr. Brian K. Paul, Dr. Gregory S. Herman and Dr. Kaichang Li

  • Examining the Environmental Behavior and Treatment Efficacy of Titanium Dioxide Nanomaterials in Complex Systems

    Creator:
    Deline, Alyssa R.
    Abstract:
    Metal oxide nanoparticles (MONPs) are manufactured at the greatest rate of any class of nanomaterial due to their wide variety of industrial, commercial, and environmental applications. The sustainable use of MONPs requires a balance of careful consideration of their potential negative environmental impacts with the effective exploitation of their unique...
    Resource Type:
    Dissertation
    Full Text:
    time and feedback they have provided to this work: Dr. Stacey Harper, Dr. Greg Herman, Dr. Brady