Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 1-20 of 104
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A CHANDRA STUDY OF SUPERNOVA REMNANTS IN THE LARGE AND SMALL MAGELLANIC CLOUDS
(2017-05-04)In the first part of this thesis we measure the interstellar abundances for the elements O, Ne, Mg, Si, and Fe in the Large Magellanic Cloud (LMC), based on the observational data of sixteen supernova remnants (SNRs) in ... -
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 ... -
A Deep Chandra Study of Galactic Type Ia Supernova Remnant G299.2-2.9
(2017-12-07)In this thesis we perform a comprehensive analysis of Galactic Type Ia supernova remnant G299.2-2.9. For this study we analyze our deep 628 ks Chandra observation data of G299.2-2.9. G299.2-2.9 has a complex multiple ... -
A Density Functional Theory Guide To High Quality Modification Of Mixed Metal Oxides Used For Photocatalytic Water Splitting
(Physics, 2015)Phase stability and charge transport of pristine and transition metal alloyed bismuth titanate (Bi2Ti2O7, a.k.a. BTO), a photocatalytic water splitter, has been studied using the generalized gradient approximated density ... -
A DETAILED CHANDRA X-RAY STUDY OF THE GALACTIC CORE-COLLAPSE SUPERNOVA REMNANT G292.0+1.8
(2018-09-10)In this thesis, we describe our detailed analysis of the core-collapse supernova remnant (CCSNR) G292.0+1.8 (G292 hereafter) using data collected by NASA's Chandra X-ray Observatory (Chandra). In the first part of this ... -
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 ... -
A Measurement of Electron-Neutrino Cross Section at MiniBooNE
1.1 Plan and aim of Dissertation. This dissertation aims to make a electron neutrino elastic scattering cross section measurement on carbon. The previous measurements of this cross section was performed by counting experiment, ... -
A STUDY OF THE GEOSPACE RESPONSE TO DYNAMIC SOLAR WIND USING THE LYON-FEDDER-MOBARRY GLOBAL MHD SIMULATION
(2018-05-14)As the wind from the Sun advances towards Earth, it interacts with Earth’s magnetic field. This solar wind carries with it a magnetic field, called the interplanetary magnetic field (IMF). Energy and momentum are transferred ... -
ANALYSIS OF WAVEFORM DISTORTIONS PRODUCED BY INTERFEROMETER RESPONSE FUNCTIONS FOR FUTURE SEARCHES OF GRAVITATIONAL-WAVE SIGNALS FROM CORE-COLLAPSE SUPERNOVAE
(2021-05-28)Multi-messenger astronomy recently added a fundamentally new component to its wide array of observational tools: a gravitational-wave detector. A number of binary black holes mergers have already been detected by ... -
Atomic And Molecular Adsorptions Of Hydrogen And Oxygen On Silicon Nanotubes: An Ab Initio Study
(Physics, 2013-07-22)A systematic ab initio study of silicon nanotubes (SiNTs) in single-walled, double-walled armchair and zigzag configurations will be presented. Electronic and structural properties of all these nanostructures have been ... -
Bimetallic-waveguide coupled sensors for tunable plasmonic devices
(2015-12-01)Surface plasmon resonance (SPR) has been a widely used optical technique for the real time and label free sensing applications in biomedicine, homeland security, food safety, environmental monitoring, etc. Surface plasmons ... -
Biological Damage Of UV Radiation In Environments Of F-type Stars
(Physics, 2014-07-14)I investigate the general astrobiological significance of F-type main-sequence stars with special consideration to stellar evolutionary aspects due to nuclear evolution. DNA is taken as a proxy for carbon-based macromolecules ... -
Boundaries and Currents of the Dayside Magnetosphere: MHD Simulations and Observations
(2023-05-22)The solar wind streams through space at supersonic speeds, carrying plasma and the interplanetary magnetic field (IMF) from the sun. Earth’s magnetosphere presents a magnetosonic obstacle to the solar wind flow, which slows ... -
CHANDRA EJECTA KINEMATICS STUDIES AND AN ISO SPECTROSCOPIC SURVEY OF SUPERNOVA REMNANTS
(2022-08-15)The structure of metal-rich ejecta created from a supernova (SN) reveals vital information about the explosion of the progenitor star and the dynamical evolution of the supernova remnant (SNR). This research focuses on the ... -
CHARGE TRANSFER AND BUILT-IN FIELDS AT A SEMICONDUCTOR-CRYSTALLINE OXIDE INTERFACE: EFFECTS OF THE INTERFACE DIPOLE AND SURFACE TERMINATION
(2022-08-17)Charge transfer and built-in fields across semiconductor heterojunctions underpin the functionality of virtually all device technologies. In this regard, interfaces between insulating oxides and semiconductors have been ... -
CHIRALITY IN QUANTUM FIELD THEORY AND ITS ROLE IN THE STANDARD MODEL AND BEYOND
(2022-08-12)Chirality as a symmetry of particle physics occupies a unique role in the standard model. It arises from general space-time principles yet remains central to the formulation of local gauge theories. This work explores the ... -
CORE-COLLAPSE SUPERNOVAE AND THEIR REMNANTS: CHANDRA STUDY OF SN 1987A AND A MULTI-WAVELENGTH FOLLOW-UP OF SN 2021KRF
(2023-08-08)**Please note that the full text is embargoed until 8/1/2024** ABSTRACT: Understanding how exploding stars impact their surroundings is of fundamental importance to all areas of astrophysics. Young supernovae (SNe) and ... -
Cutoff Frequencies For Alfven Waves In The Solar Atmosphere
(Physics, 2014-12)Propagation of linear Alfven waves in the isothermal and non-isothermal solaratmosphere is investigated numerically and analytically. It is shown that thetwo wave variables, the velocity and magnetic field perturbations, ... -
Defect Studies In Cu-based P-type Transparent conducting Oxides
(Physics, 2012-07-25)Among other intrinsic open-volume defects, copper vacancy (VCu) has been theoretically identified as the major acceptor in p-type Cu-based semiconducting transparent oxides, which has potential as low-cost photovoltaic ... -
DESIGNING REACTIVE OXYGEN SPECIES PRODUCING MATERIALS FOR CANCER AND WASTEWATER TREATMENTS
(2021-08-13)This dissertation is focused on using nanotechnology to improve conventional photodynamic therapy (PDT) and advanced oxidation processes (AOPs) for cancer and wastewater treatments, respectively. Even though PDT has a great ...