Theses and Dissertations-Physics

Electrical Characterization of Nickel Oxide and Nickel Iron Oxide Thin Films and Resistive Random Access Memory Devices Grown By Radio Frequency Sputtering

Talbert, James Nicholas (2019-12)

The electrical properties of Radio Frequency Sputtered NiFeO and NiO films deposited on n and p-type Silicon was investigated for two different oxygen flows. Rectifying properties for Ni0.8Fe0.2Oα on n-Si showed ...

Optoelectronic Properties and Energetics of Defects and Impurities in NiO Studied Using Ab Initio Calculations

Cantrell, Samuel R. (2019-12)

Nickel oxide (NiO) is a transparent conducting oxide (TCO) which has shown potential for applications in the next generation of memristors for nonvolatile resistive RAM (RRAM), solar cells, spintronics, and other devices. ...

On the Design, Construction, Calibration, and Testing of a Custom Langmuir Probe for Use in an RF Plasma

De La Garza, Andres Edelmiro (2019-12)

A particular interest of the principal investigator regarding a rare atmospheric phenomenon called ball lightning influenced the design and construction of a custom RF plasma chamber. However, the primary focus of ...

Advanced X-ray Characterization of ULSI materials

Ayala, Anival (2000-12)

No abstract prepared.

Atomic Force Microscopy and Its Applications

Yamaguchi, Yuji (2000-12)

No abstract prepared.

Raman and Fourier Transform Infrared Spectroscopy Characterization of Nickel Silicides

Acevedo, Anita Rene (2004-05)

The purpose of this study was to identify nickel sihcide phases which were produced by rapid thermal annealing (RTA) at different temperatures, to examine the dependence of nickel sihcide growth on dopant species of the ...

Preferentially Oriented Growth of Diamond Film on Silicon Substrate

K.C., Anupam (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

Gulyas, Istvan (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

Acharya, Shankar Chandra (2019-04-29)

No abstract prepared.

Copper Iodide and Copper (I) Oxide Based Hole Transport Materials for Methylammonium Lead Iodide Photovoltaic Device Optimization

Lyon, Kevin (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

Lopez, Roberto (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

Rezanezhad Gatabi, Javad (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

Sadler, Joseph A. (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 ...

X-ray Texture Analysis of CVD Diamond

Walker, Peter (2018-04-19)

No abstract prepared.

First Principles Study on the Effects of Vacancies and Mg Doping on the Physical Properties of CuAlO2, AgAlO2, CuCrO2, and AgCrO2 Transparent Conductor Oxides

Shook, James A. (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.

Talukder, Md Abdul Ahad (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 ...