RSS 1.0Theses and Dissertations-Physics
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Preferentially Oriented Growth of Diamond Film on Silicon Substrate
(2019-08)A multistep deposition technique has been developed to grow and nucleate a diamond film directly on Silicon substrate in a hot filament chemical vapor deposition system. The high-quality diamond film is deposited on the ... -
Semiconductor Material and Device Simulations Involving Highly Mismatched Alloys
(2019-07-12)In this thesis I investigate a specific highly mismatched alloy, BxGa1-xAs, over the full composition range using first principles DFT simulations with HSE06 hybrid functionals in VASP. I find that at low boron percentages ... -
Dual Beam Detection Technique to Study Magneto-Optical Kerr Effect
(2019-04-29)No abstract prepared. -
Copper Iodide and Copper (I) Oxide Based Hole Transport Materials for Methylammonium Lead Iodide Photovoltaic Device Optimization
(2019-04-19)Methylammonium lead iodide perovskite solar cells have attracted much research attention in the last decade due to skyrocketing device performance and very low cost of production. However, despite great improvements in ... -
Experimental Setup and Electrical Characterization of Electronic Material and Devices
(2018-11-27)Due to our increasing energy demands, access to affordable clean energy resource will be of great importance for a society and economy in the near future. Two separate developments are required to secure stable energy ... -
Oxides on Semiconductors for Novel Device Applications
(2016-04-25)Oxide materials possess unique functionalities which when combined with semiconductors will enable a variety of novel device applications. They have properties that include high dielectric constant, ferromagnetism, and ... -
Optical Mapping of Organohalide Lead Perovskite Films
(2018-04-24)Although thin film methylammonium lead iodide (CH3NH3PbI3 also written as MAPbI3) perovskite photovoltaics (PV) are cheap to produce and have seen a quick rise in power conversion efficiency (PCE), from 2.19 in 2006 to ... -
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First Principles Study on the Effects of Vacancies and Mg Doping on the Physical Properties of CuAlO2, AgAlO2, CuCrO2, and AgCrO2 Transparent Conductor Oxides
(2018-07-19)The need for well understood, commercially available p-type transparent conducting oxides for incorporation into basic transparent semiconducting devices alongside their already well understood and available n-type ... -
Influence of oxygen flow on the microstructure, resistivity, and Faraday rotation of reactive RF sputtered NiO and Fe-doped NiO thin films.
(2017-12-01)The effect of oxygen flow during deposition on the crystallinity, resistivity, and magneto-optical properties was studied for reactive sputtered thin NiO and Fe-doped NiO films. A series of NiO and Fe-doped NiO samples ... -
Development and Application of Surface Micro Particles as Local Temperature Sensors
(2016-07-26)No abstract prepared. -
Theoretical and Experimental Determination of Properties of NiO and Fe-doped NiO
(2017-07-27)In this era of fast advances in nanotechnology and electronics Ni has become an interesting element because its oxidized form possessing semiconducting properties is enabling several applications such as gas sensors, dyed ... -
Remote, Non-invasive, Optical Method of Temperature Detection
(2015-04-10)The focus of this thesis is the development of a remote, optically based, noninvasive, large working distance Raman method of temperature detection that relies upon observing the temperature-dependent phonon redshift. The ... -
High Performance Perovskite Photodetectors
(2017-07-25)Organohalide lead perovskite (CH3NH3PbI3) is a novel material with promising applicability for visible light photo-detectors. The ability to develop perovskite photodetector devices using a low temperature solution based ... -
Integration of Functional Oxides onto Silicon Substrates
(2014-07-09)The purpose of this thesis is to investigate the integration of functional oxides onto silicon substrates using MBE and Spin-Coating techniques. Functionality is defined, by Materials Department of Imperial College of ... -
Rasch Analysis of Student Responses to the Colorado Learning Attitudes about Science Survey
(2016-07-22)The Colorado Learning Attitudes about Science Survey (CLASS) was developed by University of Colorado, Boulder. It investigates students’ beliefs about physics and learning physics1, and has become one of the most popular ... -
Electrical and Optical Properties of RRAM
(2016-07-22)Recently several electronic devices have achieved significant enhancements that have been attributed to an oxidized NiFe layer. A study on lateral spin valves, was found to have an increased magnetoresistance after leaving ... -
Structural and magnetotransport study of SrTiO3-δ/Si structures grown by molecular beam epitaxy
(2013-12-02)SrTiO3 (STO) films were grown on p-Si (001) substrates using molecular beam epitaxy (MBE). Oxygen vacancies were introduced by controlling the Oxygen Pressure (PO2) that varied from 10-8 to 10-7 torr during growth, resulting ... -
Optical Characterization of CdTe, CdMgTe, and CdTe/CdMgTe Double Heterostructures
(2016-04-25)No abstract prepared. -
Characteristics of the Bose Glass Phase in Disordered Optical Lattices
(2016-02-18)No abstract prepared.
