Browsing Department of Physics by Title
Now showing items 8-27 of 197
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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 structural prediction of copper sulfide and study of its electronic properties and vacancy forming trend using density functional theory
The focus of this research is on the material challenges in photovoltaic. Copper Sulfide (Cu2 S) has been regarded as a potential solar absorber materials in photovoltaic industry. Despite its simple composition, it is a ... -
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 ... -
AlfvÉnic Accelerated Electrons And Short Burst Auroral Kilometric Radiations Observed By The Fast Satellite
(Physics, 2007-09-17)This investigation is motivated by previous study of short burst radiations (S-bursts) reported by Ergun et al. [2006], who suggested two generation mechanisms of S-bursts: one is the electron cyclotron maser instability ... -
Analysis Of Calorimeter/itc Cosmic Ray Data From The Atlas Detector, And Preparation For Supersymmetry Searches
(Physics, 2009-09-16)The Large Hadron Collider is the largest most ambitious experiment in high energy physics history. It involves the greatest number of scientists from around the world. The first collisions will start being produced in late ... -
Analysis Of Equatorial F-region Vertical Neutral Winds From Brazil FPI Observations
Understanding the neutral dynamics of our upper atmosphere is an essential component of space weather prediction. In order to come up with better climatological models that describe upper atmospheric variations, an ... -
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 ... -
Anisotropic nanostructured magnets by magnetic-field-assisted processing
(American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2010-04-15)It has been a great challenge to produce anisotropic nanocrystalline bulk magnets. In this paper, we report our recent work in preparing anisotropic bonded magnets consisting of SmCo5 nanocrystalline particles. The work ... -
Applications Of A Laser Microbeam In The Study Of Degeneration, Regeneration, And Guidance Of Primary CNS Axons
(Physics, 11-15-2012)This thesis explores the applications of a near infrared (NIR) laser microbeam as a tool for manipulating primary axons by initiating femtosecond pulsed-laser plasma-mediated ablation (laser axotomy) and optical guidance. ... -
Atomic Adsorptions On Actinide Surfaces: Pathways To Nuclear Energy
(Physics, 2013-03-20)The generalized gradient approximation (GGA) to density functional theory (DFT) and hybrid density functional theory have been used to compute the layer-by-layer properties of γ-uranium (γ-U) in the (100) symmetry. Guided ... -
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 ... -
Bimagnetic nanoparticles with enhanced exchange coupling and energy products
(American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2009-01-06)Bimagnetic FePt/Fe3O4 nanoparticles with core/shell or heterodimer structure have been prepared using a sequential synthetic method. The dimension of both FePt and Fe3O4 was tuned by varying the synthesis parameters. The ... -
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 ... -
Blocker-based Scatter Correction For Cone-beam Computed Tomography
Cone-beam computed tomography (CBCT) imaging is widely used in radiation therapy for treatment planning and image-guided therapy. More x-ray scatter signals are detected by the two-dimensional detector arrays in CBCT than ... -
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 ... -
Bulk FePt-based nanocomposite magnets with enhanced exchange coupling
(American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2007-07-23)High density bulk FePt/Fe3Pt nanocomposite magnets have been prepared by high-pressure warm compaction of chemically synthesized FePt and Fe3O4 nanoparticles. It is found that the density increases with the compaction ... -
Bulk FePt-based nanocomposite magnets with enhanced exchange coupling
(AIP, 2007)High density bulk FePt/Fe3Pt nanocomposite magnets have been prepared by high-pressure warm compaction of chemically synthesized FePt and Fe3O4 nanoparticles. It is found that the density increases with the compaction ... -
Bulk FePt/Fe3Pt nanocomposite magnets prepared by spark plasma sintering
(American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2007-04-27)FePt/Fe3Pt bulk nanocomposite magnets have been prepared by the spark plasma sintering of chemically synthesized FePt and Fe3O4 nanoparticles under 100 MPa at 400–600 °C. It was found that the phase transition of the FePt ... -
Bulk FePt/Fe3Pt nanocomposite magnets prepared by spark plasma sintering
(AIP, 2007)FePt/Fe3Pt bulk nanocomposite magnets have been prepared by the spark plasma sintering of chemically synthesized FePt and Fe3O4 nanoparticles under 100 MPa at 400–600 °C. It was found that the phase transition of the FePt ...