Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 53-72 of 104
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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|)) ... -
MODEL AND OBSERVATION COMPARISONS OF IONOSPHERIC CURRENT SYSTEMS
(2023-05-08)The interaction between the dynamically changing solar wind and Earth’s magnetosphere results in several different current systems. The most relevant to space weather are the Birkeland currents, a.k.a field-aligned currents ... -
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 ... -
Novel Roles of Standard and Non-standard Null Lagrangians in Classical and Quantum Physics
(2023-05-19)**Please note that the full text is embargoed until 05/13/2024** ABSTRACT: The three known families of Lagrangians are standard, non-standard, and null Lagrangians. While Lagrangians are widely used in Physics for their ... -
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 ... -
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 ... -
Optimization Of Energy Resolution In The Digital Hadron Calorimeter Using Longitudinal Weights
(Physics, 2013-07-22)Particle physics seeks to describe matter in its most elementary structure. With lepton colliders; couplings of gauge bosons and heavy quarks, physics beyond the Standard Model, and properties of a recently discovered Higgs ... -
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. ... -
Orbital Stability Analysis And Chaotic Dynamics Of Exoplanets In Multi-stellar Systems
(Physics, 2014-12)The advancement in detection technology has substantially increased the discovery rate of exoplanets in the last two decades. The confirmation of thousands of exoplanets orbiting the solar type stars has raised new ... -
Phenomenological Studies Of Dark Matter
(Physics, 2014-07-14)It is common knowledge that eighty percent of the matter in our Universe consists of a mysterious substance called ``dark matter'' (DM) which has only been detected through its gravitational interactions. The ``Standard ... -
Physics Of Luminescence Nanomaterials
(Physics, 2011-03-03)Luminescence oxide nanoparticles have tremendous potential in revolutionizing many interesting applications in today's emerging cutting-edge optical technology such as solid state lighting, biomedical labeling, imaging, ... -
PLASMA-BASED SYNTHESIS OF NANOSTRUCTURED MATERIALS AND THEIR CHARACTERIZATION
(2017-05-02)The aim of this thesis is to explore the novel cost-effective synthesis technique to develop nanostructured materials and investigate their structural and magnetic properties. Nanomaterials were synthesized by a plasma ... -
Precision Higgs Coupling Measurements In H→ww*→lνlν Final State With The Atlas Detector At The Lhc
The Standard Model (SM) is a gauge theory that describes the fundamental particles of matter and the forces between these particles. It has been tested to a very high precision in the past several decades, except for ... -
Probing The 5f Electrons: A Relativistic DFT Study Of Americium Surfaces
(Physics, 2008-09-17)Surface chemistry and physics have been and continues to be very active fields of research because of the obvious scientific and technological implications and consequent importance of such research. One of the many ... -
Propagation And Generation Of Waves In Solar Atmosphere
(Physics, 2010-03-03)The fact that the temperature increases with height in the solar atmosphere has been known for many years. To maintain this temperature increase, sources of heating must be present in the atmosphere. One of the most ...