Search results | J. Murrey Atkins Library

Title: UNDERSTANDING THE EFFECTS OF PERIPHERAL ALKYL SUBSTITUENTS ON EXCITON DIFFUSION PROPERTIES OF PORPHYRIN THIN FILMS FOR ORGANIC PHOTOVOLTAIC APPLICATIONS
Author: Kaushal, Meesha
Date Created: 2019
Subjects--Topical: Materials science, Chemistry
Description: Understanding exciton diffusion is a crucial step in the engineering and fabrication of organic photovoltaic (OPV) devices. We studied a variety of organic dyes in our research lab including various derivatives of carboalkoxyphenylporphyrins in so...

Title: The Role of Film Morphology and Defects on the Photostability and Carrier Transport of Methylammonium Lead Triiodide
Author: Castaneda, Jose
Date Created: 2022
Subjects--Topical: Nanoscience, Materials science, Chemistry, Physical and theoretical
Description: Organic-inorganic hybrid perovskites are viewed as a cost-effective alternative for photovoltaic devices, among other applications. Solution and low-temperature processing have gathered much attention for this class of materials. However, the stab...

Title: The Influence of Reinforcement Size on the Microstructure and Mechanical Behavior of a Nanostructured Aluminum-Based Metal Matrix Composite
Author: Behm, Nathan
Date Created: 2015
Subjects--Topical: Mechanical engineering, Materials science, Nanoscience
Description: With increased availability and growing commercial applications, aluminum- based metal matrix composites show promise as high specific strength structural materials. Before they can be implemented however, they require thorough characterization an...

Title: THERMOELECTRIC PHENOMENA FOR WASTE HEAT HARVESTING USING WIDE BANDGAP SEMICONDUCTORS
Author: Kucukgok, Bahadir
Date Created: 2015
Subjects--Topical: Materials science, Electrical engineering, Power resources
Description: The objective of this dissertation is to advance the fundamental understanding of the role of crystal defects on thermoelectric (TE) properties of wide band-gap materials in order to enable a new class of TE material for high temperature power gen...

Title: THEORY, CHARACTERIZATION AND APPLICATIONS OF INFRARED HYPERBOLIC METAMATERIALS
Author: Fullager, Daniel
Date Created: 2017
Subjects--Topical: Materials science, Engineering, Physics
Description: ABSTRACTDANIEL B. FULLAGER. Theory, characterization and applications of infraredhyperbolic metamaterials. (Under the direction of DR. MICHAEL A. FIDDY)Hyperbolic Metamaterials (HMMs) are engineered structures capable of supporting lightmatterinte...

Title: STRUCTURED OPTICAL MATERIALS FABRICATED USING TWO-PHOTON POLYMERIZATION
Author: Li, Yanzeng
Date Created: 2020
Subjects--Topical: Materials science, Optics, Physics
Description: Artificially structured materials, which are treated as macroscopically homogeneous media, exhibit effective optical properties that can be altered by engineering the materials' intrinsic geometries at a scale much smaller than the probing electro...

Title: RETENTION OF THE AMORPHOUS STATE OF TREHALOSE AT HIGH RELATIVE HUMIDITY USING ORGANIC SALT ADDITIVES: A MECHANISTIC UNDERSTANDING
Author: Ziaei, Shima
Date Created: 2018
Subjects--Topical: Materials science, Pharmacy--Research, Bioengineering
Description: The glassy or amorphous solid state of trehalose has been utilized in the food and pharmaceutical industry to immobilize and stabilize sensitive molecules and it is increasingly being explored for the preservation of biologics. Retention of the gl...

Title: Processing and properties of materials with or without adiabatic shear susceptibility
Author: Chen, Xiaoxue
Date Created: 2018
Subjects--Topical: Mechanical engineering, Materials science
Description: In this dissertation, two topic areas related to adiabatic shear banding (ASB) phenomenon were studied. Body centered cubic (BCC) metals and alloys may exhibit ASB under uniaxial high strain rate compression if the grain size is refined into the u...

Title: Mechanical Characterization of Boron-Based One-Dimensional Nanostructures by Various Techniques
Author: Jiang, Youfei
Date Created: 2015
Subjects--Topical: Mechanical engineering, Materials science, Nanoscience
Description: One-dimensional (1D) nanostructures, such as nanotubes, nanowires and nanobelts, have attracted considerable interests in the last two decades because of their exceptional physical, chemical, and electrical properties. Engineering applications of ...

Title: MICROSTRUCTURAL MODELING DURING MULTI-PASS ROLLING OF A NICKEL-BASE SUPERALLOY
Author: Subramanian, Kannan
Date Created: 2009
Subjects--Topical: Mechanical engineering, Materials science
Description: Microstructure present at the end of rolling and cooling operations controls the product properties. Therefore, control of grain size is an important characteristic in any hot-working. The narrow temperature range for hot working of Alloy 718 make...

Title: MICROSTRUCTURAL ANALYSIS AND MODELING OF FLUE GAS DESULFURIZATION WASTEWATER SEQUESTERED IN THE ALKALI-ACTIVATED FLY ASH MATRIX
Author: Ghaempanah Tajabadi, Morteza
Date Created: 2019
Subjects--Topical: Materials science, Civil engineering, Environmental engineering
Description: Geopolymers can be categorized as synthetic zeolitic monoliths. The amorphous structure of this material is developed by dissolution of an aluminate and silicate-rich source, like fly ash, in a highly alkaline solution and then interlinking and cr...

Title: MICRO RAMAN/PL INVESTIGATIONS OF MATERIALS FOR IR AND PV APPLICATIONS (III-V TYPE II SUPERLATTICES AND II-VI COMPOUNDS)
Author: Liu, Henan
Date Created: 2015
Subjects--Topical: Materials science, Condensed matter
Description: Raman and photoluminescence (PL) spectroscopy are two of the major spectroscopic techniques that are currently used in studies on solid state materials. Raman spectroscopy, which is based on Raman scattering process, is widely used in characterizi...

Title: MECHANICAL BUCKLING OF INDIVIDUAL SILICON NANORIBBONS ON A COMPLIANT SUBSTRATE
Author: Chang, Siang Yee
Date Created: 2017
Subjects--Topical: Materials science
Description: About a decade ago, mechanical buckling evolves as a promising metrology to rapidly measure the elastic moduli of thin films and one-dimensional (1D) nanostructures. This form of metrology translates the geometrical measurements of the buckling pr...

Title: MECHANICAL BEHAVIOR AND DEFORMATION MECHANISM IN LIGHT METALS AT DIFFERENT STRAIN RATES
Author: Shen, Jianghua
Date Created: 2015
Subjects--Topical: Mechanical engineering, Mechanics, Materials science
Description: ABSTRACTJIANGHUA SHEN. Mechanical behavior and deformation mechanism in light metals at different strain rates. (Under the direction of Dr. QIUMING WEI)Developing light metals that have desirable mechanical properties is always the object of the e...

Title: Long-term stability, vibrational and optical properties of β-ZnTe(en)0.5 and related organic-inorganic hybrid superlattices
Author: Ye, Tang
Date Created: 2022
Subjects--Topical: Nanoscience, Materials science, Chemistry
Description: Organic-inorganic hybrids may offer material properties enhanced compared to or not available from their inorganic and organic components. However, they are typically less stable and disordered. A group of highly ordered II-VI based hybrid structu...

Title: Lithography-Free Growth of Silicon Microwires via Atmospheric Pressure Chemical Vapor Deposition for Optoelectronic Applications.
Author: Thakur, Esha
Date Created: 2022
Subjects--Topical: Nanoscience, Nanotechnology, Materials science
Description: Realizing the next-generation electronic devices with added features, i.e., flexibility, smaller dimension, higher density (transistors per unit area), lightweight, and low-power consumption, would require extensive work to optimize the processing...

Title: LIGHT-MATTER INTERACTIONS IN SEMICONDUCTOR NANOWIRES: LIGHT-EFFECT TRANSISTOR AND LIGHT-INDUCED CHANGES IN ELECTRON-PHONON COUPLING AND ELECTRICAL CHARACTERISTICS
Author: Marmon, Jason
Date Created: 2016
Subjects--Topical: Materials science, Electrical engineering, Optics
Description: This dissertation explores three related embodiments of light–matter interactions at the micro– and nano–scales, and is focused towards tangible device applications. The first topic provides a fundamentally different transistor or electronic switc...

Title: LASER INDUCED LOCAL STRUCTURAL AND PROPERTY MODIFICATIONS IN SEMICONDUCTORS FOR ELECTRONIC AND PHOTONIC SUPERSTRUCTURES - SIC TO GRAPHENE CONVERSION
Author: Yue, Naili
Date Created: 2013
Subjects--Topical: Materials science, Electrical engineering
Description: Graphene is a single atomic layer two-dimensional (2D) hexagonal crystal of carbon atoms with sp2-bonding. Because of its various special or unique properties, graphene has attracted huge attention and considerable interest in recent years. This P...

Title: INGAN/GAN MULTIPLE QUANTUM WELL STRUCTURES: SUBMICRON STRUCTURAL, OPTICAL, ELECTRICAL AND CHEMICAL PROPERTIES
Author: Li, Ying
Date Created: 2013
Subjects--Topical: Materials science, Electrical engineering, Optics
Description: In this work, a novel approach has been implemented to investigate the submicron (30nm spatial resolution) structural and optical properties of bulk GaN, InGaN/GaN Multiple Quantum Well (MQW), p-typle AlGaN capped MQW, and full Light Emitting Diod...

Title: Fracture properties of graphene-like two-dimensional materials and topology optimization through neural networks for coupled thermo-mechanical problems
Author: Shishir, Md Imrul Reza
Date Created: 2022
Subjects--Topical: Mechanical engineering, Mechanics, Materials science
Description: Part I: Study of fracture properties of graphene--like two--dimensional materials using molecular dynamics (MD) simulationsGraphene is a monoatomic thick sheet of sp2-hybridized carbon atoms tightly packed in a honeycomb lattice structure. It has ...