Browsing Department of Physics by Title
Now showing items 87-106 of 197
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Interaction Of The Geomagnetic Field With Northward Interplanetary Magnetic Field
(Physics, 2013-07-22)The interaction of the solar wind with Earth's magnetic field causes the transfer of momentum and energy from the solar wind to geospace. The study of this interaction is gaining significance as our society is becoming ... -
Investigating The Global Geospace Response To A Period Of Solar Wind High Speed Streams Using The Lyon-Fedder-Mobarry MHD Simulation
(Physics, 2014-12)As the solar wind flows past the Earth, it interacts with the Earth's magnetic field and transfers energy and momentum to the geospace environment. During times when the solar cycle is near a minimum, there is a tendency ... -
Investigation Of KeV Beta Particle Transportation In Matter
Nuclear imaging is widely used in medicine for more accurate diagnoses and more effective treatment for cancer. Current emission tomography techniques used in clinics may not efficiently detect ... -
INVESTIGATION AND DISCOVERY OF NOVEL TRANSITION METAL CYSTEAMINE SYSTEMS WITH HALOGENS FROM THE FIRST PRINCIPLES CALCULATIONS
(2021-12-20)Cu-cysteamine (Cu-Cy) is a material that has the cysteamine bonded with Cu. It is a molecular photosensitizer which can be activated by visible, ultraviolet light, and X-rays to generate reactive oxygen species (ROS). Cu-Cy ... -
Investigation of Clinoptilolite Zeolite as a Candidate System for Study by Positron Annihilation
(2021-04-14)This thesis reports on the characterization of a clinoptilolite zeolite (〖Na〗_3 [〖Al〗_3 〖Si〗_15 O_36 ]12H_2 O) using Energy-dispersive X-ray spectroscopy (EDX/EDS) for chemical analysis, low energy Secondary Electron (SE) ... -
Investigation of Copper Cysteamine Nanoparticles as a New Type of Radiosensitiers for Colorectal Carcinoma Treatment
(Scientific ReportsDepartment of Physics, University of Texas at Arlington, 2017-08-24)Copper Cysteamine (Cu-Cy) is a new photosensitizer and a novel radiosensitizer that can be activated by light, X-ray and microwave to produce singlet oxygen for cancer treatment. However, the killing mechanism of Cu-Cy ... -
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, ... -
INVESTIGATION OF OPTICAL AND ELECTRICAL PROPERTIES OF NOBLE METAL AND SUPERCONDUCTING THIN FILMS AND DESIGN AND FABRICATION OF METAMATERIAL SOLAR ABSORBERS
(2023-05-12)**Please note that the full text is embargoed until 05/12/2024** ABSTRACT: An extensive study of light-matter interactions leading to the generation of photon drag voltage under surface plasmon resonance conditions in noble ... -
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 ... -
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 ... -
Investigations In The Impact Of Visual Cognition And Spatial Ability Of Student Comprehension Of Physics And Space Science
(Physics, 2011-07-14)Physics and Space Science examine topics that are highly spatial in nature. Students are required to visualize a system, manipulate that system, and then solve a given problem. Doing all of this, simultaneously, can lead ... -
Investigations Of Laser-based Repulsive Axonal Guidance And Other Novel Biophysical Applications Of Laser Microbeams
Over the past 30 years, the properties of light have been increasingly exploited to probe and manipulate biological samples. The subsequent techniques and technologies, combined with the broadening optical characterization ... -
Investigations on the impact of spatial ability and scientific reasoning of student comprehension in physics, State Assessment Test, and STEM courses
Physics examines topics that are highly spatial in nature. Students are required to visualize a system, manipulate that system, and then solve a given problem. Doing all of this simultaneously can lead to a cognitive ... -
Laser-assisted Transfection, Optogenetic Stimulation And Its Detection In Mammalian Cells
Stimulation of cells, especially neurons is of significant interest both for basic understanding of neuronal circuitry as well as clinical intervention. Existing electrode-based methods of stimulation is invasive and ... -
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. ... -
LOW DIMENSIONAL SEMICONDUCTING NANOSTRUCTURES: STABILITY, TRENDS AND PROMISES
(2016-05-10)Systematic studies of low dimensional semiconducting nanostructures have been performed. In particular, silicon-germanium (SiGe) armchair type nanotubes, and both zigzag and armchair type nanoribbons were used to represent ... -
MAGNETIC HARDENING IN THE TRANSITION METAL NANOPARTICLES AND NANOWIRES
(2020-08-27)Permanent magnets are important materials widely used in advanced technologies including electric vehicles, windmills, memory devices, magnetic levitation transportation, and biomedical apparatus. Rare-earth-based compounds ... -
Magnetic Thermal Hysteresis In Dy, Gd And Gd/Dy/Gd Nanolayers And Experimental Determination Of Thermodynamic Properties Of Thin Film Systems.
(Physics, 2013-03-20)Magnetic thermal hysteresis (MTH) is observed when the temperature dependent magnetic properties of a material are reliant on the starting point of the measurement. MTH was observed in thin film Dy samples at low values ... -
Measurement Of Single Diffractive Differential Cross Section (dσ/(d|t|)) At √(s ) = 1.96 TeV Using The D0 Forward Proton Detectors
(Physics, 2011-10-11)The analysis described in this dissertation uses the Forward Proton Detectors (FPD) installed at the D0 detector in the Tevatron collider at Fermilab to measure the single diffractive differential cross section (d&sigma/(d|t|)) ... -
Measurement Of The Spectral Distribution Of The Low Energy Electrons Emitted As A Result Of M₃VV Auger Transitions In Cu(100)
(Physics, 2012-04-11)Auger Photoelectron Coincidence Spectroscopy (APECS) was used to investigate the physics of the Low Energy Tail (LET) region of the Auger spectrum of a Cu(100) sample. Two Cylindrical Mirror Analyzers (CMAs) were used to ...