School of Materials Science and Engineering Theses and Dissertations
Original work in partial fulfillment of a graduate degree in the School of Materials Science and Engineering.
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Recent Submissions
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Stability Studies of ALD Films and Infiltrated Hybrid Materials
(Georgia Institute of Technology, 2022-12-19)Aluminum oxide (alumina) thin films deposited through atomic layer deposition (ALD) are of great interest in chemical barrier and corrosion protection applications. However, the stability of ALD alumina in aqueous solutions ... -
Enhanced Solution Growth of Perovskite Single Crystals Through the Use of Solvent Additives and Dopants
(Georgia Institute of Technology, 2022-12-06)Perovskites have garnered significant research interest due to their high optoelectronic performance, composition tunability, and diverse applications. Traditional single crystal growth methods require high temperatures ... -
Impact of thermal material properties and local ion concentration on Ti/HfOx-based analog devices
(Georgia Institute of Technology, 2022-11-16)The realization of adaptive oxides for neuromorphic computing hinges on repeatable and predicable analog changes of electrical resistance, which is fundamentally controlled by the materials in and around the device. This ... -
Concurrent Atomistic-Continuum Studies of Interface/Dislocation Interactions in Nanolaminates and with He bubbles in Stainless Steels
(Georgia Institute of Technology, 2022-11-21)The interactions between dislocations and interfaces between materials with different structures, chemistry, and/or orientation primarily mediate the mechanical properties of polycrystalline materials. Studying these ... -
Polymer-Ligated Nanocrystals with Tunable Dimensions, Compositions, and Architectures
(Georgia Institute of Technology, 2022-11-01)The ability to produce monodisperse nanocrystals with stable and tunable surface chemistry is of key importance to render investigation into their size- and shape-dependent physical properties and thus an array of applications ... -
Advancing Product Development of Ultrafine Fibers: From Formulation Considerations to Thermoelectric Textiles
(Georgia Institute of Technology, 2022-08-23)Ultrafine fibers are of great interest in new product development in the fiber and textile industry especially for complex, high value-add materials. Due to their unique inherent properties of fine diameter, high surface ... -
Advanced Microstructural Characterization of Ferroelectric and Antiferroelectric Fluorite-Structure Binary Oxide Thin Films for Memory Applications
(Georgia Institute of Technology, 2022-08-22)The need for novel, super-high K dielectric gate oxides has substantially increased in recent years. With the equivalent oxide thickness in advanced nodes reaching a limit, materials innovation can enable increased dielectric ... -
Failure Mechanisms in Additively Manufactured Ferrous Metals Under Dynamic Loading Conditions
(Georgia Institute of Technology, 2022-08-22)Additive Manufacturing (AM) via 3D printing offers the ability to tailor materials with microstructures along various length scales so that properties may be optimized for specific use cases. Though methods for producing ... -
Development of High-Performance, Lightweight, Low-Cost Carbon Fibers for Sustainability
(Georgia Institute of Technology, 2021-12-14)This dissertation focuses on the development of high-performance carbon fibers for light weighting automobiles to achieve sustainable developmental goals (SDG) of clean energy, climate action and infrastructure. Replacing ... -
Engineering platforms for human-microbe interaction studies in intestinal tract: materials approach
(Georgia Institute of Technology, 2021-12-14)Steep oxygen gradient across the healthy epithelium and micro-to-anaerobic lumen is shaped by the cooperation of host and microbial metabolism. Spatial oxygen distribution in a GI tract with dysbiotic microbiome and tissue ... -
Influence of Texture on Wear Behavior of 3D Printed HDPE/UHMWPE Bioimplant Material
(Georgia Institute of Technology, 2021-12-15)Polyethylene (PE) has been extensively used for implants as an acetabular cup in prosthetic hips and as a tibial plateau and patellar surface in prosthetic knees for total joint arthroplasty since the mid-twentieth century. ... -
Quaternary Ammonium Cation bis-MPA Dendron PDMS Hybrid Copolymers: Synthesis, Characterization, Behavior And Functional Use As Macromolecular Additives In Sylgard 184
(Georgia Institute of Technology, 2022-05-23)This work aims to address the research question: Can quaternary ammonium cation dendron-PDMS hybrid copolymers be utilized as surface active macromolecular additives in Sylgard 184? In attempts to answer this question ... -
Vapor Phase Infiltration: Sorption Thermodynamics, Chemical Entrapment Mechanisms, and Hybrid Material Structure-Property Relations
(Georgia Institute of Technology, 2021-08-23)Vapor phase infiltration (VPI) creates hybrid organic-inorganic materials by infusing the sub-surface of polymers with vapor phase, metal containing precursors. These volatile materials are often then co-reacted with an ... -
Development of High-Performance Carbon Fibers: Accelerating Paradigm Shifts
(Georgia Institute of Technology, 2021-08-18)This work details the development of three technological pathways to accelerate paradigm shifts in the way carbon fibers are developed and manufactured. The first two, viz. hollow carbon fibers and small diameter carbon ... -
Materials Affected Manufacturing: Simulation of the Crystallographic Texture, Microstructure, and Inelastic Mechanical Properties of Additively Manufactured Polycrystalline Materials
(Georgia Institute of Technology, 2021-12-07)Additive manufacturing (AM) has attracted huge attention in the past decade due to its capability of producing complex geometries at a much less cost than conventional methods. The additively manufactured parts are being ... -
Increasing Sustainability of the Papermaking Process via Formulation of Cellulose Nanofibers and Polyelectrolyte Complexes
(Georgia Institute of Technology, 2022-08-01)The sustainability of paper-making is multifaceted. The paper industry is centered around the use of a renewable and biodegradable material: cellulose. However, the sustainability of paper is not only reliant on the material ... -
ATOMISTIC AND COARSE-GRAINED ATOMISTIC MODELING OF SOLUTE ORDERING EFFECTS ON DISLOCATION MIGRATION
(Georgia Institute of Technology, 2022-07-21)Dislocation-mediated plasticity in alloy systems is strongly affected by the concentration and distribution of solute atoms. These effects manifest as changes in the strength or ductility of the alloy. Such microstructural ... -
SYNTHESIS, CHARACTERIZATION AND PROCESSING OF THERMAL MANAGEMENT MATERIALS
(Georgia Institute of Technology, 2022-07-28)Due to increasing average global temperatures, the energy used for space cooling in buildings will increase by 300% by 2050 and account for 13% of all electricity usage worldwide. Consequently, to meet global cooling demand, ... -
Continuous Production and Improved Stabilities of Luminescent Colloidal Perovskite Nanocrystals as Next-Generation Emitters
(Georgia Institute of Technology, 2022-07-11)Due to their tremendous optoelectronic properties, lead halide perovskite materials have recently been extensively studied for their use in numerous applications, including as solar cells, photodetectors, scintillators, ... -
Role of Heterogeneities on the Shock Compression Response of Additively Manufactured Highly Solids Loaded Polymer Composites and Two-Layered Bimetallic Alloys
(Georgia Institute of Technology, 2022-06-01)In this work, the effects of process inherent heterogeneities across multiple length scales on the dynamic shock compression behavior of additively manufactured highly solids loaded polymer composites and bilayered ...
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