Browsing MS Theses - DO NOT EDIT by Title
Now showing items 71-90 of 110
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Self-assembly Of Nanoparticles In Photonic Crystal Cavities For Optoelectronic Devices
(Materials Science & Engineering, 2007-08-23)Photonic crystals (PhC) offer many advantages in optoelectronics field. The focus of this thesis is to investigate a self assembly process for the formation of thin film based one-dimensional PhC and the integration of ... -
Semi-transparent ZnO:Al/Cu2O Thin-film Heterojunction Fabricated At Low Temperature: Effect Of An Intrinsic ZnO Buffer Layer At The Junction
(Materials Science & Engineering, 2012-04-11)The Al-doped ZnO (AZO)/Cu2O semi-transparent heterojunction was realized by an RF sputtering at low temperature in this study. Specifically, the usage of a buffer layer in the junction structure has been found as a key ... -
SILVER DENDRITE BASED THREE-DIMENSIONAL SURFACE ENHANCED RAMAN SCATTERING (SERS) SUBSTRATES
(2016-06-01)Three-dimensional (3D) hierarchical nanostructures have been considered as one of the most promising surface-enhanced Raman spectroscopy (SERS) substrates because it provides high-density hotspots along the three-dimension ... -
Solar Selective Optical Coating Made With Metal Nanopaticles For Photovoltaic Thermal Applications
(Materials Science & Engineering, 2009-09-16)The goal of this research is to fabricate solar selective reflector with suitable optical properties and high thermal and chemical stability for using in the photovoltaic thermal window. While the reflector allows some ... -
Solution Processed Optical Coatings For Solar Cell Applications
(Materials Science & Engineering, 2009-09-16)In the recent past the demand for higher energy conversion efficiency of solar cells is on the rise. Extensive research is carrying out and many new methods have been proposed by changing either fabrication process or ... -
Structural, Magnetic And Surface Properties Of RF Magnetron Sputtered Undoped Lanthanum Mangnite Thin Films
(Materials Science & Engineering, 2010-03-03)In the present study, polycrystalline and epitaxial undoped Lanthanum Manganite (LMO) thin films were deposited by using RF magnetron sputtering on three substrates, Si (100), MgO (100) and LaAlO₃ (100) to study the influence ... -
A Study Of Diamond Nanoparticles
(Materials Science & Engineering, 2011-07-14)Diamond nanoparticles grown previously by Hot Filament Assisted Chemical Vapor Deposition have been characterized by utilizing Atomic Force Microscopy, Scanning Electron Microscopy, Raman Spectroscopy and X Ray Diffraction. ... -
STUDY OF INTERDIFFUSION AND GROWTH OF INTERMETALLIC COMPOUNDS IN BIMETALLIC LAYERS OF ALPHA BRASS AND Al-Mg ALLOY
(2020-08-17)This work aims to study the formation of Inter Metallic Compounds (IMC’s) and their growth rate in Brass and Al-Mg alloy. This diffusion couple consists of four elements Aluminum, Copper, Zinc and Magnesium. Aluminum and ... -
Study Of New Transistor Architecture With Energy Filtering
(2020-08-24)The thermodynamic limit of the subthreshold slope to 60mV/decade at 300K forces MOSFET devices to use high supply voltages (> 0.5V) and therefore dissipate a lot of energy. This physical limitation of transistors is a ... -
Study Of The Effect Of Ion Concentration, pH, And Surface Charge On Single-particle Placement
(Materials Science & Engineering, 2015)Supervising Professor: Seong Jin Koh Single particle placement (SPP) in which nanoparticles are placed on exact substrate positions on a single particle level has drawn a lot of attention as it can be used as an effective ... -
Study on Forming DNA-Mediated Nanoparticle Conjugates: Toward Detection of COVID-19
(2021-12-21)The objective of this thesis is to establish a rapid, robust, and reproducible procedure to controllably assemble DNA-functionalized Au nanoparticles (AuNPs) into satellite-shaped nanostructures using sequence-specific DNA ... -
A Study On The Corrosion Behavior Of Nanocrystalline Nickel In Aqueous Environments
(Materials Science & Engineering, 2011-07-14)Nanocrystalline materials possess considerably enhanced properties arising from their small grain size. Significant interest has been paid in the past to their mechanical and physical properties. Very little attention ... -
A Study On The Effect Of Magnetic Field On The Corrosion Behavior Of Materials
(Materials Science & Engineering, 2014)Corrosion causes deterioration of a material due to its environment. Corrosion control has been one of the biggest challenges in most industries since many years. There are various notable and unknown factors that influence ... -
Sub-10K Cold-Electron Injection to Silicon at Room Temperature
(2022-12-20)The Fermi-Dirac thermal excitation of electrons results in unwanted off-state leakage currents in metal-oxide-semiconductor field-effect transistors (MOSFETs), leading to excessive power consumption in modern electronic ... -
Surface Modification Of 6H-SiC Under Vacuum Annealing Studied By Time Of Flight Positron Annihilation Induced Auger Electron Spectroscopy
(Materials Science & Engineering, 2007-08-23)This thesis presents the first study of vacuum annealing of 6H- SiC surface using Time-of-Flight-Positron Annihilation induced Auger Electron Spectroscopy(TOF-PAES) . The study was the first application of a TOF-PAES ... -
Surface Patterning Of Biodegradable Polymer In Tissue Engineering By Applying Photolithography
(Materials Science & Engineering, 2008-04-22)The prevalence of cardiovascular disease and inherent problems with current surgical therapies has prompted major efforts in the field of vascular tissue engineering. While there have been significant advances towards ... -
Synergistic And Antagonistic Effect Of Sulfur-based Additives On The Performance Of Greases With ZDDP And PTFE
(Materials Science & Engineering, 2010-03-03)Lithium-base greases constitute about 50% of the grease market. The current trend is towards developing greases with longer working life and wider application flexibility. To address this concern, greases are blended with ... -
Synthesis And Characterization Of Carbon Magnetic Nanoparticles
(Materials Science & Engineering, 2011-07-14)Carbon incorporated iron nanoparticles (Fe-CNPs) were successfully synthesized using ultrasonic cavitation in Benzene. This novel method of carbon nanoparticle (CNP) synthesis is a very cost-effective and versatile as one ... -
SYNTHESIS AND CHARACTERIZATION OF COBALT-BASED MAGNETIC NANOSTRUCTURES
(2020-08-18)Co is an attractive element in the development of nanostructured magnetic materials due to its relatively high moment (1.72-1.75 µB) and strong exchange and spin-orbit interactions, and many of these materials have potential ... -
Synthesis And Characterization Of Ferromagnetic Nanoparticles
(Materials Science & Engineering, 2008-04-22)Ferromagnetic nanoparticles and their bimagnetic nanoparticles with uniform size distribution have drawn great attention in the past decades because of their unique magnetic properties and potential applications in high ...