Tags: Thin films

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  1. Radiation-Tolerant Ferroelectric Materials for Multifunctional Devices

    08 Sep 2020 | Contributor(s):: Chin, Evelyn

    Advisors: Nazanin Bassiri-Gharb, Eric Vogel, Mark Losego, Asif Khan, Chaitanya DeoFerroelectric materials have switchable, spontaneous polarization in addition to strong dielectric, pyroelectric and piezoelectric response. In thin films form, these materials are leveraged for numerous...

  2. Lithium and Sodium Solid Electrolytes for Next-Generation Batteries: Bridging Mechanistic Understanding and Their Performance

    21 Aug 2019 | Contributor(s):: Hood, Zachary David

    Advisors: Younan Xia, Miaofang Chi, Angus P Wilkinson, Z. John Zhang, Hui WangSolid electrolytes have attracted growing research interest for their promise to offer the safety and energy density necessary for future battery systems. Not only being the primary component in all-solid-state...

  3. Characterization of Plastic Deformation Mechanisms in Ultrafine Grained FCC Metals Using MEMS Based Nanomechanical Testing Methods

    29 May 2019 | Contributor(s):: Gupta, Saurabh

    Advisors: Olivier Pierron, Ting Zhu, Josh Kacher, Richard Neu, Brad BoyceA MEMS-based in-situ TEM nanomechanical testing technique was developed to characterize mechanisms of plastic deformation in ultrafine-grained FCC metals via transient mechanical tests. Advances were made to an existing...

  4. Ferroelectric Thin and Ultrathin Films for MEMS Applications

    12 Jan 2015 | Contributor(s):: Bastani, Yaser

    Advisors: Nazanin Bassiri-Gharb, F. Levent Degertekin, Peter Hesketh, Kenneth Sandhage, Hamid Garmestani, Todd SulchekThe advent of ferroelectric thin films with strong piezoelectric response has enabled the development of new nano- and micro-electromechanical systems (NEMS/MEMS) capable of large...

  5. Impact of Process Parameter Modification on Poly(3-Hexylthiophene) Film Morphology and Charge Transport

    13 Jan 2014 | Contributor(s):: Lee, Jiho

    Advisors: Elsa Reichmanis, Yulin Deng, Dennis W. Hess, William J. KorosOrganic electronics based on p-conjugated semi-conductor raises new technology, such as organic film transistors, e-paper, and organic photovoltaic cells that can be implemented cost-effectively on large-area applications....

  6. Engineered Linear and Nonlinear Optical Properties of Metal-Dielectric Thin-Film Structures for Ultrafast Optical Applications

    13 Jan 2014 | Contributor(s):: Hsu, James June Fan

    Advisors: Bernard Kippelen, John A. Buck, Ian F. Akyildiz, Benjamin Klein, Joseph W. PerryThe objective of the present dissertation is to advance the science and engineering of metal-dielectric thin-film structures for ultrafast all-optical applications. The research presented consists of three...

  7. High Kh Block Copolymers for Sub 20 Nm Pitch Patterning: Synthesis, Solvent Annealing, Directed Self Assembly, and Selective Block Removal

    13 Jan 2014 | Contributor(s):: Jarnagin, Nathan D.

    Advisors: Clifford L. Henderson, Laren M. Tolbert, David Collard, John Reynolds, David BucknallBlock copolymer (BCP) thin film patterns, generated using directed self-assembly (DSA) of diblock copolymers, have shown excellent promise as templates for semiconductor device manufacturing since they...

  8. Interfacial Assembly of Star-Shaped Polymers for Organized Ultrathin Films

    13 Jan 2014 | Contributor(s):: Choi, Ikjun

    Advisors: Vladimir V. Tsukruk, Anselm Griffin, David M. Collard, Zhiqun Lin, Seung Soon JangSurface-assisted directed assembly allows ultrasoft and replusive functional polymeric "colloids" to assemble into the organized supramolecular ultrathin films on a monomolecular level. This study aims at...

  9. Growth and Electronic Properties of Nanostructured Epitaxial Graphene on Silicon Carbide

    13 Jan 2014 | Contributor(s):: Torrance, David Britt

    Advisors: Phillip N. First, Walter de Heer, Andrew Zangwill, Zhigang Jiang, Thomas OrlandoPer request of the author and the advisor, and with the approval of the graduate office, the Acknowledgements page was replaced with an errata.

  10. Influence of the Environment on the Fatigue Properties of Alumina Ultra-Thin Coatings and Silicon and Nickel Thin Films

    20 Sep 2013 | Contributor(s):: Baumert, Eva K.

    Advisors: Olivier N. Pierron, Oliver Brand, Samuel Graham, Steven D. Antolovich, David L. McDowellThis dissertation presents the investigation of three thin film materials used in microelectromechanical systems (MEMS): alumina, silicon, and nickel. For this purpose, novel experimental techniques...

  11. The Synthesis, Doping, and Characterization of Graphene Films

    21 Aug 2012 | Contributor(s):: Sojoudi, Hossein

    Advisors: Samuel Graham, Baratunde Cola, Dennis Hess, Hamid Garmestani, Kyriaki Kalaitzidou, Zhigang JiangGraphene, a two-dimensional counterpart of three-dimensional graphite, has attracted significant interest, due to its distinctive electrical and mechanical properties, for developing...

  12. Development of Metal-Assisted Chemical Etching as a 3D Nanofabrication Platform

    06 May 2012 | Contributor(s):: Hildreth, Owen James

    Advisors: C. P. Wong, Paul Kohl, Jason Nadler, Christopher Summers, Gleb YushinThe considerable interest in nanomaterials and nanotechnology over the last decade is attributed to Industry's desire for lower cost, more sophisticated devices and the opportunity that nanotechnology presents for...

  13. Functional and Complex Topological Applications of Plasma Polymerized Ultrathin Films

    06 May 2012 | Contributor(s):: Anderson, Kyle D.

    Advisors: Vladimir V. Tsukruk, Timothy J. Bunning, Anselm Griffin, David Bucknall, Zhiqun LinThis study is focused on the fabrication of plasma polymerized ultrathin films and the elucidation of their unique properties with an emphasis on the solvent-less, dry polymerization process to introduce...