PhD Dissertations - DO NOT EDIT: Recent submissions
Now showing items 21-40 of 104
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FIRST-PRINCIPLES STUDIES ON THE PIEZOELECTRICITY AND FERROELECTRICITY OF KNN RELATED MATERIALS
(2020-08-13)Nowadays, with the increasing environmental concerns, K1-xNaxNbO3 (KNN)-based materials have gained enormous interest and attention as one of the most promising lead-free piezoelectric materials because of their excellent ... -
Investigation of range verification in carbon ion therapy using Monte Carlo simulation
(2020-08-11)Carbon ion therapy is one of the advanced forms for radiotherapy and currently only available in few developed countries. Unlike conventional radiation therapy methods, carbon ion therapy has high potential in treating ... -
INVESTIGATION OF PROTOPORPHYRIN IX AND COPPER CYSTEAMINE NANOPARTICLES TO IMPROVE CURRENT CANCER TREATMENT METHODS
(2020-07-23)This research is focused on using nanotechnology to improve current cancer treatment methods, particularly photodynamic therapy and chemotherapy. Photodynamic therapy, being a local treatment method with low systemic ... -
LOCALIZED BANDS AND THEIR EFFECTS IN THE STRONGLY CORRELATED d AND f ELECTRON SYSTEMS: A FIRST PRINCIPLES STUDY
(2021-08-16)Strongly correlated materials such as d and f-electron systems manifest a broad range of interesting phenomena such as metal-insulator transition, high temperature superconductivity, topologically insulating behavior etc. ... -
Energy Dissipation during Geomagnetic Storms
(2021-12-20)Some fraction of the solar wind energy is transferred to the Earth magnetosphere and ionosphere. Sometimes this transfer of energy is exceptionally large, producing a magnetic storm. Storms occur when the Interplanetary ... -
A Cross Section Measurement of Muon Neutrino-Induced Charged-Current Coherent Positive Pion Production on Argon with the MicroBooNE Detector
(2022-05-17)Neutrino-induced charged-current coherent pion production is an important channel for the study of neutrino-nucleus interactions. It is both a dangerous background for $\nu_{e}$ oscillation experiments, and a critical ... -
Orbital Evolution Studies and Radio Searches of Extra-Solar Moons
(2021-12-13)Exoplanetary research has undergone a great deal of development and growth. Achievements in theoretical studies and detection techniques have led to the discovery of 4,000+ exoplanets in ~3, 000 planetary systems to date. ... -
THE ARECIBO OBSERVATORY AS AN INSTRUMENT FOR INVESTIGATING ORBITAL DEBRIS
(2021-11-22)In this dissertation, the Arecibo Observatory, both past and future, as an instrument for investigating orbital debris is investigated. For over three decades, models of the orbital debris environment in low Earth orbit ... -
DEVELOPMENT AND APPLICATIONS OF A MULTI-FUNCTIONAL POSITRON BEAM FOR SPECTROSCOPIES OF SURFACES AND INTERFACES
(2019-09-03)This dissertation describes the construction of a multi-functional positron beam and the methods employed for the analysis of digitized data produced by electron time-of-flight and gamma spectrometers. The positron beam ... -
Observation and analysis of unexplored low-energy electron emission processes revealed using a low-energy positron beam
(2020-08-17)This dissertation presents measurements of the kinetic energy distributions of low-energy, positron-induced electrons emitted from single-layer of graphene (SLG), highly oriented pyrolytic graphite (HOPG), Si, Cu and TiO2 ... -
Toward Background-Free Methods to Search For Majorana Neutrinos in Xenon Gas
(2020-08-11)Since the observation of double beta decay 33 years ago the search for neu- trinoless double beta decay has been underway. This is due to the fact that a robust observation of neutrinoless double beta decay is currently ... -
Multiscale ionospheric electrodynamics and their impacts on the ionosphere-thermosphere system
(2020-08-11)In this dissertation, multiscale ionospheric electrodynamics at different latitudinal regions and their impacts on the ionosphere and thermosphere (I-T) system have been studied in three aspects. Firstly, impacts of the ... -
ns2-md0 Post-Transition Metal Oxides for Solar Energy Applications
(2020-08-10)Meeting the growing global energy demand while mitigating the deterioration of the global climate requires the rapid introduction of clean, renewable, and sustainable fuels. Solar energy output at daytime provides more ... -
THE COMMISSIONING OF THE LOW FREQUENCY ALL SKY MONITOR, THE FIRST DISTRIBUTED PHASED ARRAY TELESCOPE SPECIFICALLY DESIGNED TO SEARCH FOR RADIO TRANSIENTS AT LONG WAVELENGTHS
(2021-05-15)The last two decades have seen a proliferation in the development of technology for low frequency radio astronomy based upon phased elements grouped into one or more large stations. Instruments fielding multiple large ... -
Searching for a Pair-Produced Supersymmetric Top Partner Using Recursive Jigsaw Variables and Boosted Decision Trees with 139 fb⁻¹ of Data From the ATLAS Detector
(2020-07-21)The Standard Model of Particle Physics is the most comprehensive theory describing how fundamental particles and three of the four fundamental forces are related. However, the Standard Model is known to be an incomplete ... -
INVESTIGATION OF NANOSTRUCTURES FOR HIGHLY SENSITIVE SURFACE PLASMON RESONANCE SENSORS
(2020-08-11)An extensive study of Surface Plasmon Polaritons (SPPs) and their applications has been undertaken in this work. Highly sensitive surface plasmon resonance sensors, made of noble metals, as well as multilayer nanostructures, ... -
FIRST-PRINCIPLES STUDIES OF THE LOW DIMENSIONAL TRANSITION METAL OXIDES
(2019-08-08)Transition metal oxides have drawn lots of attention from experimental and theoretical research due to their unique physical and chemical properties. Among them, the semiconducting α-Fe2O3 and TiO2 has been investigated ... -
FUNCTIONALIZING SEMICONDUCTOR-CRYSTALLINE OXIDE HETEROSTRUCTURES FOR FUTURE APPLICATION IN ENERGY HARVESTING, SENSING, AND COMPUTING TECHNOLOGIES
(2019-08-26)Energy harvesting, sensing, and computing technologies utilizing conventional semiconductors have seen a plateau in their advancement for future applications. In order to address these issues, alternate materials are needed ... -
A FIRST PRINCIPLES BASED APPROACH TO STABILIZE Cu2S FOR EFFICIENT SOLAR ABSORBER MATERIAL
(2019-05-14)Cu2S is an important low-cost, earth-abundant and non-toxic material which has shown its potential in the field of photovoltaics. Experimentally known band gaps of this material vary between 1.1-1.2 eV, which are suitable ... -
PROSPECTS FOR OBSERVING DYNAMICALLY FORMED BINARY BLACK HOLES IN THE LOCAL UNIVERSE WITH GRAVITATIONAL WAVES
(2018-06-07)The dynamical evolution of globular clusters is expected to produce stellar-mass binary black holes with higher total mass than found in the field population of binary black holes. Such systems are identified as gravitational ...