Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 1-20 of 82
-
Achieving novel functionalities in semiconductor-crystalline oxide heterostructures through electrical and structural coupling
(2018-08-15)Creating new materials that exhibit enhanced or novel behaviors is essential to meet the technological challenges we face today. Complex oxides are perfect candidates to overcome these challenges due to the range of ... -
AMORPHOUS SILICA BASED BIOMATERIALS FOR MUSCULOSKELETAL TISSUE REGENERATION APPLICATIONS
(2021-08-02)Musculoskeletal (MSK) injury includes any injuries that affect the bones, muscles, ligaments, tendons, or nerves. Open bone fracture is one of the common types of MSK traumatic injuries which results in not only bone ... -
An investigation of the plasma electrolytic oxidation mechanism for coating of alumina-zirconia nanocomposite
(2019-02-10)Plasma Electrolytic Oxidation (PEO) is an electrochemical surface modification technique which is able to coat ceramic coatings on valve metals from either cationic or anionic species in an aqueous electrolyte. Applying ... -
An Investigation on the Corrosion Inhibition of Brazing Cu-Ag Alloy
(2020-08-25)Adsorption and inhibition behavior of 1,2,3-benzotriazole (BTA) and 2,5-dimercapto-1,3,4-thiadiazole (DMTD) on brazing Cu-Ag alloy was studied in deionized water using corrosion potential measurement, potentiodynamic ... -
Au-based Core-shell Nanoparticles For Direct Formic Acid Fuel Cells
(Materials Science & Engineering, 2014-03-12)Unique Au/Pd core-shell nanoparticles were synthesized via galvanic replacement of Cu by Pd on hollow Au nanoparticles. Au/PtCu core-shell nanoparticles were also synthesized using this method. These core-shell nanoparticles ... -
Bubble Template Synthesis Of Hollow Gold Nanoparticle
(Materials Science & Engineering, 2014-09-17)Recently, a new synthesis method for creating hollow gold nanoparticles by using electrochemically hydrogen nanobubbles as a template was discovered in our research group. Hollow gold nanoparticles with well-controlled, ... -
Bubble Template Synthesis Of Hollow Gold Nanoparticles And Their Applications As Theranostic Agents
(Materials Science & Engineering, 2010-11-01)Hollow gold nanoparticle with a sub-30nm polycrystalline shell and a 50 nm hollow core has been successfully synthesized through the reduction of sodium gold sulfite by electrochemically evolved hydrogen. Such hollow gold ... -
Composition - Microstructure - Property Relationships In Dual Phase Bulk Magnetoelectric Composite
(Materials Science & Engineering, 2008-08-08)The coexistence of coupled electrical and magnetic properties in the “magnetoelectric” material has led to the possibility of developing smarter and smaller electronic components. In order to make this possibility a ... -
Comprehensive Study Of Composition Gradient Strontium Doped Lanthanum Manganite Thin Films Deposited By Magnetron Co-sputtering
(Materials Science & Engineering, 2015)In this body of work, the examination of three different types of Strontium doped lanthanum manganite thin films synthesized by magnetron sputtering in the Surface and Nano Engineering Laboratory (SaNEL) allowed for the ... -
COMPUTATIONAL STUDY ON THE Cu-RICH SIDE OF ALUMINUM-COPPER PHASE DIAGRAM
(2018-08-21)Cu-rich side of Al-Cu phase diagram has not been studied extensively as the Al-rich side. It is well established that a one-phase (α phase) exists at 300oC between the 82% Cu and pure Cu, and at the eutectic temperature ... -
Cuinse2: Electronic Activities Of Grain Boundaries And Solar Cell Fabrication Studies
(Materials Science & Engineering, 2013-03-20)This dissertation is composed of three studies related to chalcopyrite solar cells. The first study is on electronic activities of grain boundaries (GBs) in CuInSe<sub>2</sub> (CIS). Despite being polycrystalline, chalcopyrite ... -
Development Of Computational Fluid Dynamics (CFD) Based Erosion Models For Oil And Gas Industry Applications
(Mechanical Engineering, 2013)Erosion prediction plays a critical role in different oil and gas industry segments including drill bit manufacturing, measurement & logging while drilling (M&LWD), and reservoir engineering/completions tools. Recently, ... -
DEVELOPMENT OF PLASMA FUNCTIONALIZED NANO-ADDITIVES FOR OILS AND STUDY OF THEIR TRIBOLOGICAL PROPERTIES
(2017-10-20)Lubricants used in motor engines contain various chemical species to help enhance energy efficiency and provide increased longevity. Unfortunately, at the same time, these additives become a source of catalytic poisoning, ... -
Diffusion-free Back Contact Solar Cells On S-passivated Si(100) Substrates
(Materials Science & Engineering, 2008-04-22)A diffusion-free back contact solar cell is proposed in this work. The textured front-side of this cell is coated with ~100 nm thermal SiO2 to enhance the light trapping meanwhile reduce the surface recombination velocity ... -
The Effects Of Microstructure On The Mechanical Properties Of Hard Transition Metal Silicon Nitride Nanocomposite Coatings
(Materials Science & Engineering, 2014-03-12)In this body of work, the examination of two different transition metal silicon nitride (MeSiN) systems using two different methods of physical vapor deposition (PVD) allowed for the development of a detailed understanding ... -
Electrochemical N-type Doping In Metal Oxides And Its Application In Photovoltaics
(Materials Science & Engineering, 2011-07-14)Electrodeposition has the advantages of low-cost, high-throughput and large-area processing which is particularly suitable for solar cells fabrication. Two common metal oxides prepared by electrodeposition are discussed ... -
ELECTROMIGRATION INDUCED INTERFACE REACTION IN Cu-WIRE / Al-PAD DIFFUSION COUPLE
(2017-01-17)This dissertation presents experimental observations that may assist the understanding of electromigration (EM) failure mechanism active in Cu wire and Al thin film pad (wire bond). This study is motivated by an ongoing ... -
Experimental And Numerical Study Of Phase Transition Of LiFePO₄ Material In Lithium Ion Batteries
(Materials Science & Engineering, 2014-07-14)Phase transition behavior of LiFePO4 material has been studied in this work. During electrochemical charge/discharge processes, LiFePO4 transforms into FePO4 and this electrochemically driven phase transition of the two-phase ... -
Fabrication And Characterization Of Single Electron Device And Study Of Energy Filtering In Single Electron Transport
(Materials Science & Engineering, 2014-03-12)Single electron devices, in which transport of single electrons is precisely controlled, hold a great promise as important components of future electronic devices and sensors. However, technical challenges have prevented ... -
Fabrication Of FePt Ferromagnetic Nanoparticles
(Materials Science & Engineering, 2008-08-08)Fabrication of chemically disordered FePt particles ranging from 2 - 9 nm with a precision of 1 nm has been achieved through modification of key process variables including surfactant concentration, heating rates and the ...