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Filtering by: Creator Han, S.-C. Remove constraint Creator: Han, S.-C. Committee Member Lerner, Michael Remove constraint Committee Member: Lerner, Michael

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  • Tuning Functional Properties of Pyrochlore and Related Oxides via Cation and Anion Substitutions

    Creator:
    Giampaoli, Gabriella C. S.
    Abstract:
    Inorganic structures play an important role in materials due to their versatility and diversity. A complete understanding of the structure of a material is vital to enhance the creation of new materials that fill voids in research. The rational design of these compounds is driven by the exploitation of structure-property...
    Resource Type:
    Dissertation
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    ) (weighted), (b) Sn2+‒ O'/S (8b), (c) Sn2+‒ O (48f) (weighted), and (d) Nb5+/Sn4+‒ O, all shown vs nominal

  • The chemistry and device applications of amorphous thin-film interfaces

    Creator:
    Knutson, Christopher C.
    Abstract:
    Solid-state amorphous materials show amazing promise in thin-film electronics. The interface-to-bulk ratio of thin films makes interfacial chemistries of these systems of utmost importance. Thin films of amorphous metals, dielectrics and semiconductors have novel chemistries that are not only based upon their elemental constituent makeup, but also based upon the...
    Resource Type:
    Dissertation
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    ). (4) Deville, H. S. C. Ann. Chim. Phys. 1854, 43, 31-33. (5) Riordan, M. The Silicon Dioxide

  • Formation of hybrid supramolecular assemblies using biological molecules and transition metals

    Creator:
    Smith, Rachelle M. S.
    Abstract:
    Naturally occurring assemblies, such as DNA and proteins, utilize intermolecular forces (i.e H-bonding and van der Waals) to assemble. Utilizing these electrostatic interactions has only just started in the past five decades to be a tool used in synthetic chemistry in what is known as supramolecular chemistry. Supramolecular chemistry has...
    Resource Type:
    Dissertation
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    building unit of all POMs. C) Phosphotungstic acid - the first POM structure discovered by X-ray

  • High-Energy Lithium-Sulfur Batteries and Non-Metallic Ion Aqueous Batteries: Integrating Experiment and Theoretical Modeling

    Creator:
    Shin, Woochul
    Abstract:
    Humanities have been craving more freedom and conveniences in whatever form. Carriages evolved to cars and ultimately to aircraft so that one can reach any place in the globe within a day. The mobile phone has enabled people to make a phone call without a need to find a phone...
    Resource Type:
    Dissertation
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    at an E/S ratio of 3 for (a) ZnS-Li2S, and (b) Uncoated Li2S@graphene. (c) Cycling performance at

  • Synthesis and characterization of aluminum oxide based materials - from molecule to device

    Creator:
    Wang, Wei
    Abstract:
    A scalable synthesis of the "flat" tridecameric inorganic cluster [Al₁₃(μ₃-OH)₆(μ-OH)₁₈(H₂O)₂₄]¹⁵⁺ has been realized by treating an aqueous aluminum nitrate solution with zinc-metal powder at room temperature. Single crystals and polycrystalline samples are readily obtained in yields exceeding 55% relative to the starting reagent Al(NO₃)₃. Products have been characterized by X-ray...
    Resource Type:
    Dissertation
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    dielectric properties of the aluminum oxide thin films. After annealing at 500 °C, thin film exhibits low

  • Preparation and Properties of Porous Carbon Materials

    Creator:
    Xing, Zhenyu
    Abstract:
    Porous carbon is indispensable in modern technology applications. It is used for energy storage, gas separation, water purification, catalyst support, and chromatography. The diversity of its applications stems from its unique properties, including high specific surface area, tunable pore volume, and chemical stability. Specifically, the large surface area provides high...
    Resource Type:
    Dissertation
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    2000 mV/s. The N-doped porous carbon not only increased the capacity if Li-O2 battery from 5300 mAh

  • 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
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    displacement of both the Nb and Cd from the high- to low-symmetry structures. The S content may drive the

  • Structure-property Relationships of Transition Metal Oxides Containing Precious Metals

    Creator:
    Hapuraja Pathirannehelage, Vidhara H. P.
    Abstract:
    This dissertation presents a study of structure-property relationships within 3d/4d metal oxides containing precious metals through detailed structure refinements using high-resolution neutron and X-ray diffraction data along with exploration of the resultant properties. Oxides of 4d or 5d transition metals tend to show new topological phases due to significant spin-orbit...
    Resource Type:
    Dissertation
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    the compound showed its stability up to 730 ̊C in oxygen. Magnetic data shows a substantial

  • 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
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    images of solution processed Cu3SbS4 films before and after sulfurization with Ar/S in tube furnace at

  • 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...
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    Dissertation
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    selfless help with experiments. I also like to thank my lab mates, Dr. Fangyuan Han, Breland Oscar