Browsing Graduate Theses and Dissertations - Physics by Title
Now showing items 1-20 of 54
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A Painless, Non-Invasive, and Flexible Device to Sample Interstitial Fluid for Biomarker Monitoring
(Georgetown University, 2022)The current medical practice for diagnosing, monitoring, and treating many disease conditions requires biomarker monitoring in bodily fluids, typically blood or urine. Methods for extracting these fluids are often painful, ... -
Confinement and Texture in Cement Hydrates: From Nanoscale Cohesion to Rheology
(Georgetown University, 2020)Concrete is the most abundant artificial material on Earth, yet the physical mechanisms that control its properties are not fully understood. Cement, the main binding agent, reacts with water to produce Calcium-Silicate-Hydrate ... -
Control of micro- and nano- particles with electric and magnetic fields
(Georgetown University, 2008) -
Controlled Evaporative Self-Assembly of Charge-Transfer Cocrystals for Use in Optoelectronic Devices
(Georgetown University, 2020)Controlled evaporative self-assembly (CESA) is a technique that has been utilized in literature to produce long, ordered ribbons of material on a substrate from an evaporating solvent. In particular, it has been shown to ... -
CREATING MULTI-COMPONENT NANOPARTICLES USING NANOPRECIPITATION
(Georgetown University, 2016)Nanoprecipitation is a self-assembly process for forming nanoparticles by replacement of a good solvent in which multiple materials are dissolved with a poor solvent. It has demonstrated its advantages of easy setup, good ... -
Creating Optoelectronic Devices from Atomically Thin Materials Grown by Chemical Vapor Deposition
(Georgetown University, 2019)Two-dimensional materials such as graphene and transition metal dichalcogenides (TMDs) are ideal candidates to create ultra-thin optoelectronics that can be flexible and semitransparent. Although optoelectronic devices ... -
EMPIRICAL EVIDENCE OF KNIGHTIAN UNCERTAINTY IN EQUITY MARKETS
(Georgetown University, 2015)Market microstructure theory builds on the assumption that the arrival of new information induces trading, because it alters market participants’ expectations of the true price. The bid-ask spread, which represents ... -
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 ... -
Exploring Microstructural Heterogeneities in Cellulose Nanocrystal Suspensions in the Repulsive Glass Phase
(Georgetown University, 2020)Cellulose nanocrystals are a plant derivative that has recently captured interest in -
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 ... -
Fabrication and functionalization of carbon nanotube field effect transistors for bio-sensing applications
(Georgetown University, 2009) -
Fabrication, Characterization, and Functionalization of Mote2 Field Effect Transistors for Gas Sensing Applications
(Georgetown University, 2019)The characteristics of MoTe2 are studied for their use in gas sensing applications. The mechanism behind the sensing response is explored and found to be heavily influenced by the presence of surface adsorbates such as ... -
First-Principles Study of Charge Density Waves and Electron-Phonon Coupling in Transition Metal Dichalcogenides, and Magnetism of Surface Adatoms
(Georgetown University, 2017)Recently, low-dimensional materials have attracted great attention, not only because of novel physics, but also because of potential applications in electronic devices, where performance drives innovation. This thesis ... -
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 ... -
Gaining a Deeper Understanding of Nature with Quantum Simulators and Quantum Computers
(Georgetown University, 2019)Exact simulation of quantum systems is intractable on current classical computers due to the time required to calculate the exponential number of amplitudes which represent a quantum state. This thesis explores how highly ... -
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. -
Graphene Quantum Dot Bolometers and their Applications for the Characterization of Single Molecule Magnets
(Georgetown University, 2021)Graphene’s unique and extraordinary electronic, thermal, mechanical, and chemical properties give it incredible potential for nanotechnology applications. The electronic properties in particular are very sensitive to the ... -
Graphene Quantum Dot Bolometers and their Applications for the Characterization of Single Molecule Magnets
(Georgetown University, 2021)Graphene’s unique and extraordinary electronic, thermal, mechanical, and chemical properties give it incredible potential for nanotechnology applications. The electronic properties in particular are very sensitive to the ... -
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 ...