Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 29-48 of 104
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Fabrication Of Superparamagnetic And Ferromagnetic Nanoparticles
(Physics, 2009-09-16)Monodisperse magnetic nanoparticles with controlled size and geometry have drawn great attention in the last decade for fundamental scientific studies and for their potential applications in advanced materials and devices ... -
FACTORS THAT INFLUENCE STUDENT PERFORMANCE IN PHYSICS
(2018-04-12)This study is composed of several projects in the field of physics education research. First, Investigations into flipped physics classrooms at the senior and graduate level show that students uniformly agree that the ... -
Ferrimagnetism And Magnetic Entropy Change For TM/RE Multilayers
(Physics, 2009-09-16)Multilayers of Co/Tb, Ni/Gd, NiFe/Gd, CoFe/Gd and CoNi/Gd multilayers have been synthesized using dc magnetron sputtering and have been investigated experimentally by SQUID magnetometry. Due to the antiferromagnetic coupling ... -
First Direct Measurement Of The Energy Spectra Of Individual Auger Cascade Steps In Solid MnO, Ag And Pd
(Physics, 2007-09-17)We present the first direct measurements of energy spectra of electrons emitted in the later steps of the Auger cascade processes in solids. Measurements were carried out for the L-->MV-->VVV and L-->MM-->MVV-->VVVV Auger ... -
First Observation Of Dijet Events With An Antiproton Tag At [square root]s = 1.96 TEV Using The DØ Forward Proton Detector
(Physics, 2007-08-23)The Forward Proton Detector (FPD) is a new sub-system of the DØ detector, a 5000 ton particle physics detector located at the Fermilab Tevatron proton-antiproton collider. The FPD was implemented for the Tevatron Run II ... -
First Principles Study Of Ga-stabilized δ-Pu Bulk And Surfaces
Plutonium (Pu) metal is highly reactive toward environmental gases and corrodes at a high rate. Due to this inevitable process, containers used to store Pu-based materials may experience catastrophic failure, subsequently ... -
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 ... -
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 ... -
First-principles Study On Hard/soft SmCo5/Co(Fe) Nanocomposite Magnetic Materials
(Physics, 2008-09-17)More than a decade ago, exchange-spring permanent magnets containing soft and hard magnetic phases have been proposed to enlarge maximum energy product values through exchange coupling between the magnetically soft and ... -
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 ... -
Fundamental Dynamical Equations For Two And Four-component Spinors In Galilean And Minkowski Space-time
(Physics, 2011-07-14)A search for new fundamental (Galilean and Poincaré invariant) dynamical equations for free elementary particles represented by spinor state functions is conducted in Galilean and Minkowski space-time. A dynamical ... -
GPU-based Monte Carlo Applications in Radiation Medicine
(2021-12-02)Radiation can be used to image tumor site or kill tumor cells noninvasively, playing an important role in tumor diagnosis and treatment. Because of the increasing burden that cancer brings to the society, there always ... -
Habitability of Stellar Binary Systems
(2017-09-18)A comprehensive approach is provided to the study of habitable zones (HZs) for both S-type and P-type cases of stellar binary systems for both circular and elliptical orbits of the binary components, based on habitability ... -
Holographic Patterning Of Polymer Dispersed Liquid Crystal Materials For Diffractive Optical Elements
(Physics, 2007-08-23)Liquid crystals are a soft condensed matter phase that share properties with both isotropic liquids and crystalline solids. Composite materials formed from both low molecular weight liquid crystals and polymers are of both ... -
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 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 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)An extensive study of light-matter interactions leading to the generation of photon drag voltage under surface plasmon resonance conditions in noble metal thin films was undertaken by performing a series of experimental ... -
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 ...