Index Catalog // ScholarsArchive@OSU

Surface Characterization of Engineered Biomaterials

Creator:: Faase, Ryan A.
Abstract:: The work presented in this dissertation highlights the various techniques available to characterize the increasingly complex surfaces of engineered biomaterials. The methods used range from the simple measurement of a contact angle with a smartphone to a complex synchrotron technique like near edge x-ray absorption fine structure (NEXAFS) spectroscopy to...
Resource Type:: Dissertation

Investigation of oxide semiconductor based thin films : deposition, characterization, functionalization, and electronic applications

Creator:: Rajachidambaram, Meena Suhanya
Abstract:: Nanostructured ZnO films were obtained via thermal oxidation of thin films formed with metallic Zn-nanoparticle dispersions. Commercial zinc nanoparticles used for this work were characterized by microscopic and thermal analysis methods to analyze the Zn-ZnO core shell structure, surface morphology and oxidation characteristics. These dispersions were spin-coated on SiO₂/Si substrates...
Resource Type:: Masters Thesis
Full Text:: substrates and then annealed in air between 100 and 600 °C. Significant nanostructural changes were

Evaluation of amorphous oxide semiconductors for thin film transistors (TFTs) and resistive random access memory (RRAM) applications

Creator:: Rajachidambaram, Jaana Saranya
Abstract:: Thin-film transistors (TFTs) are primarily used as a switching element in liquid crystal displays. Currently, amorphous silicon is the dominant TFT technology for displays, but higher performance TFTs will become necessary to enable ultra-definition resolution high-frequency large-area displays. Amorphous zinc tin oxide (ZTO) TFTs were fabricated by RF magnetron sputter...
Resource Type:: Masters Thesis
Full Text:: the ZTO films remain amorphous even after annealing to 600° C. Rutherford backscattering

Oxidation of hydrocarbon in a carbon nanotube supported corona discharge in micoreactor : oxidation of ethylene

Creator:: Alanazi, Yousef M.
Abstract:: Population growth driven sustainability issues, including the food resource issue, are pressing problems in need of attention. The goal of the present thesis is to examine the ability of an electric non-thermal plasma based microreactor to destroy ethylene, a known plant hormone responsible for losses in the range of 20%...
Resource Type:: Masters Thesis
Full Text:: ethylene between 200 ppm and 600 ppm, reactor thickness of 250 µm and 750 µm, and applied reactor current

Squeeze-off & gel patch repair methods for polyethylene pipe in natural gas distribution lines

Creator:: Harris, Kevin E.
Abstract:: The natural gas industry has become essential in many areas in the United States. Currently there is over 37.5 million miles of natural gas distribution lines. A large majority of these lines are polyethylene pipes. With such a large percentage of polyethylene lines in use gas companies are continually looking...
Resource Type:: Masters Thesis

Deposition and Characterization of Pb(Zr₁₋ₓTiₓ)O₃ Thin Films on IGZO and ZTO Substrates for Microelectromechanical Systems

Creator:: Maack, Bryan A.
Abstract:: Pb(Zr₁₋ₓTiₓ)O₃ (PZT) is a common piezoelectric and ferroelectric thin film material with a wide variety of applications, including ferroelectric random access memories, novel thin film transistors, and microelectromechanical systems (MEMS). The most common substrate for PZT in all of these areas has been platinum-coated silicon. Alternative substrates are desired for...
Resource Type:: Honors College Thesis
Full Text:: field (Ec). The remanent polarization is the polarization remaining in the material once the electric

Alkalinity effects on the scaling of simulated cooling tower water

Creator:: Morse, Robert Weber
Resource Type:: Masters Thesis
Full Text:: ) where Gd is the dead time and ec = 1/K2 is the time constant. The advantage of writing the equation in

The extraction of pentachlorophenol from pressure treated wood using supercritical carbon dioxide

Creator:: Yi, Jung-Seok
Abstract:: The extraction of pentachlorophenol (PCP) from pressure treated wood wafers with supercritical carbon dioxide has been studied. Experimental data were obtained for the effects of pressure (17.5 - 25.0 MPa), temperature (313 - 353 K), flow rate (1 - 3 ml/min at supercritical conditions), and sample size (0.8 x 10...
Resource Type:: Masters Thesis
Full Text:: ). Initially, the total concentration in mass of PCP per total wafer volume is: C TO = EC i0 + C50 24 (4

Ultraviolet photolysis of acetaminophen in a 3D printed continuous flow reactor

Creator:: Goetze, John M.
Abstract:: Finding renewable sources of agricultural fertilizer will be necessary to ensure a stable food supply for future generations. Phosphorus is of particular concern, since mining phosphate rock is the main source and reserves are forecasted to deplete in the next 50 – 200 years. Human urine contains substantial amounts of...
Resource Type:: Honors College Thesis
Full Text:: is typically 0.0 0.2 0.4 0.6 0.8 1.0 1.2 200 400 600 800 1000 In te n si ty [ W /m 2

Conversion of glucose to hydrogen gas by supercritical water in a microchannel reactor

Creator:: Goodwin, Aaron K.
Abstract:: Glucose was gasified in supercritical water within a microchannel reactor at 650°C 750°C, and 250 bar to yield H2 rich gas with a low concentration of CO. The feed glucose concentration was 0.1 M. Two microchannel reactor configurations were tested at fluid residence times ranging from 0.5 sec to...
Resource Type:: Masters Thesis
Full Text:: concentrations of a glucose solution, 0.1 molar, at 600°C, 345 bar, and a 30 sec residence time. The gas

ScholarsArchive@OSU

Surface Characterization of Engineered Biomaterials

Investigation of oxide semiconductor based thin films : deposition, characterization, functionalization, and electronic applications

Evaluation of amorphous oxide semiconductors for thin film transistors (TFTs) and resistive random access memory (RRAM) applications

Oxidation of hydrocarbon in a carbon nanotube supported corona discharge in micoreactor : oxidation of ethylene

Squeeze-off & gel patch repair methods for polyethylene pipe in natural gas distribution lines

Deposition and Characterization of Pb(Zr₁₋ₓTiₓ)O₃ Thin Films on IGZO and ZTO Substrates for Microelectromechanical Systems

Alkalinity effects on the scaling of simulated cooling tower water

The extraction of pentachlorophenol from pressure treated wood using supercritical carbon dioxide

Ultraviolet photolysis of acetaminophen in a 3D printed continuous flow reactor

Conversion of glucose to hydrogen gas by supercritical water in a microchannel reactor

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