Browsing Graduate Theses and Dissertations - Physics by Creation Date
Now showing items 1-20 of 56
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Control of micro- and nano- particles with electric and magnetic fields
(Georgetown University, 2008) -
In-plane carbon nanotube field emitters for high temperature integrated electronics
(Georgetown University, 2008) -
Fabrication and functionalization of carbon nanotube field effect transistors for bio-sensing applications
(Georgetown University, 2009) -
Method and applications of fiber synthesis using Laminar Flow
(Georgetown University, 2009) -
Trimetallic nitride endohedral C80 fullerenes and their application in organic photovoltaic devices
(Georgetown University, 2009) -
Radiative Signatures of Electron Acceleration in a Fully Cavitated Laser Plasma Wakefield
(Georgetown University, 2010)In this work, the fully cavitated or bubble regime of Laser Wakefield Acceleration was experimentally studied. It provides acceleration fields in excess of 100 GeV/m while also generating uniform electric field gradients. ... -
Quantum transport and field-induced superconductivity in carbon nanotubes
(Georgetown University, 2010) -
Exploring New Dielectrics to Improve Switching Speeds of Carbon Nanotube Memory Devices
(Georgetown University, 2011)The hysteresis in carbon nanotube field effect transistor's (CNTFET) current vs. gate voltage curves can be used for memory devices. Testing possible changes to device structure and design, could improve both their endurance ... -
STUDIES OF MAGNETIC NANOPARTICLE SHAPE AND SIZE EFFECTS ON T2 RELAXATION IN MAGNETIC RESONANCE IMAGING, AND POWER ABSORPTION IN AN ALTERNATING MAGNETIC FIELD
(Georgetown University, 2012)Magnetic nanoparticles have been shown to influence contrast in magnetic resonance imaging (MRI). The magnetic fields of particles vary depending on the shape of the particle. The effects of ferromagnetic nanoparticles ... -
Ocean wave slope and height retrieval using airborne polarimetric remote sensing
(Georgetown University, 2012)Ocean wave heights are typically measured at select geographic locations using in situ ocean buoys. This dissertation has developed a technique to remotely measure wave heights using imagery collected from a polarimetric ... -
Strongly Correlated Multilayer Nanostructures: Longitudinal Charge Transport With Vertex Corrections And Many-Body Effects In Capacitors
(Georgetown University, 2012)Inhomogeneous dynamical mean-field theory is employed to investigate various interesting multilayer nanoscale systems, including electronic charge transport and capacitance in multilayered nanostructures. The nanostructures ... -
Hong Ou Mandel Interferometer: A Quantum Measurement Tool
(Georgetown University, 2012)Quantum computing research has been around for several decades, since it was first proposed by Richard Feynman. Many efforts have been made to utilize quantum systems in creation of new computing devices in the recent ... -
Theoretical description of nonequilibrium behavior in charge density wave
(Georgetown University, 2013)The fast development of time resolved photoemission (TRPES) techniques allow us to discover the rich features of nonequilibrium phenomena which may not appear in equilibrium. One of the most explored topics is the ... -
Shedding Light on the Nonlinear Stiffening Effect of Sheared Type-I Collagen Networks
(Georgetown University, 2013)Soft biopolymer networks undergo substantial bulk stiffening when subjected to shear strains. This nonlinear rheological signature has been well-documented for a wide range of semiflexible and stiff biopolymers, but the ... -
Exact Studies of Equilibrium and Nonequilibrium Properties of Correlated Bosons in One-dimensional Lattices
(Georgetown University, 2013)In this thesis, we study both equilibrium and nonequilibrium properties of hard-core bosons trapped in one-dimensional lattices. To perform many-body analyses of large systems, we utilize exact numerical approaches including ... -
First-principles Study of Charge Density Waves, Electron-phonon Coupling, and Superconductivity in Transition-metal Dichalcogenides
(Georgetown University, 2013)In this thesis we investigate the electronic and vibrational properties of several transition-metal dichalcogenide materials through first-principles calculations. First, the charge-density-wave (CDW) instability in 1T-TaSe2 ... -
Nanoscale Gas Sensors and Their Detection Mechanisms: Carbon Nanotubes and Beyond
(Georgetown University, 2013)The research presented in this thesis focuses on the experimental investigation of nanoscale electronic devices for gas sensing applications. The majority of the experiments were conducted on carbon nanotube field-effect ... -
Gold Nanoparticle Decorated Carbon Nanotube Field Effect Transistors for Glucose and Gas Sensing
(Georgetown University, 2014)The research presented in this thesis focuses on the fabrication, functionalization and characterization of carbon nanotube field effect transistors (CNTFETs) with gold (Au) nanoparticles for gas and glucose sensing applications.
