Index Catalog // ScholarsArchive@OSU

Hardware design and protection issues in an AC/AC converter

Creator:: Faveluke, Alex
Abstract:: An AC/AC converter has been designed and implemented for the purpose of providing a modular drive system with a Brushless Doubly-Fed Machine (BDFM.) This converter is to be used in laboratory testing and also as part of a demonstration system in the field. All hardware needed to start and run...
Resource Type:: Masters Thesis
Full Text:: full schematics and bill of materials lists for construction. 7 2. Line and Load Interface The

A low cost AC motor drive for battery powered applications

Creator:: Wiley, Brian
Abstract:: Environmental concerns have renewed the interest in electric vehicles. To gain widespread use, electric vehicles will also have to offer good performance and be reasonably priced. AC drive systems using modern semiconductors can provide efficient operation at the required power levels, but their cost at present is still too high....
Resource Type:: Masters Thesis
Full Text:: A Low Cost AC Motor Drive For Battery Powered Applications

Impact excitation efficiency in AC-driven thin-film electroluminescent devices

Creator:: Peter, Manuela
Resource Type:: Masters Thesis
Full Text:: the discrete trap model can meaningfully be applied. For the case of a low density of interface

Photoinitiated grafting of PMMA onto cellulose nanocrystals to improve nanocomposite reinforcement-matrix interface

Creator:: Mirashrafi, Suzanne
Abstract:: Cellulose nanocrystals (CNCs) are extremely abundant, biodegradable and light weight nanoparticles that have the potential to contribute in many fields including packaging, construction, solar cells and automotive. With the increasing interest in nanotechnology and nanocomposites, CNCs could provide a renewable, optically transparent and strong alternative to other nano-scale reinforcement phases....
Resource Type:: Masters Thesis
Full Text:: coherent material as possible when applied with a load, rather than two mixed-yet-separate materials. The

Internal charge-phosphor field analysis, electrical characterization, and aging studies of AC thin-film electroluminescent devices

Creator:: Abu-Dayah, Ahmad I.
Resource Type:: Masters Thesis
Full Text:: charge on the interface from the previous pulse. Fpol adds to the external applied field, (Fext) until

Electrical characterization and aging studies of green ZnS: Tb AC thin-film electroluminescent devices

Creator:: Kumar, Manoj, 1972-
Resource Type:: Masters Thesis
Full Text:: with aging. The interface state density at both the interfaces is found to be constant with aging for

Processing of nanoscale materials

Creator:: Hostetler, Eric B.
Abstract:: The motivation for undertaking this research was to increase the understanding of processing colloidal semiconductor nanocrystals and thin films metallic glasses to enable their wider application in future devices. This research covered two unique materials, lead selenide (PbSe) nanocrystals and thin film metallic glass alloy of zirconium copper aluminum nickel...
Resource Type:: Masters Thesis
Full Text:: immediately split across an interface of two materials are termed excitonic solar cells [46]. Examples of

Material development for thin-film transistors

Creator:: Archila, Kevin Alexander
Abstract:: The focus of this thesis is developing materials for thin-film transistors (TFTs). Cu₃SbS₄ is explored as p-channel layer. Cu₃SbS₄ TFTs show p-type, depletion-mode behavior with a small amount of gate-controlled modulation of the channel conductance. This behavior is consistent with Hall measurements indicating a mobility of 17 cm²V⁻¹s⁻¹ and hole...
Resource Type:: Masters Thesis
Full Text:: semiconductor materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2.1 SnS material review

Sputtered Pb(Zr0.52Ti0.48)O3 (PZT) thin films on copper foil substrates, Sputtered Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films on copper foil substrates

Creator:: Walenza-Slabe, Joel
Abstract:: Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films are of interest for their large dielectric permittivity, ferroelectric, and piezoelectric properties. The material has been widely studied for use in high frequency transducers, multi-layered capacitors, and ferroelectric random access memory. Copper foils are an inexpensive, flexible substrate with a low resistivity which makes them ideal...
Resource Type:: Masters Thesis
Full Text:: measured as a function of applied AC electric field. By performing a Rayleigh analysis on this data one

Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

Creator:: Kremer, Matthew H.
Abstract:: Electrospinning and electrospray are both nano-scale material fabrication techniques, based on related phenomena of electrically charged fluid spray from a droplet of liquid. Material is dissolved in liquid, then a spray is generated by applying a high voltage, creating an electric field, between the fluid dispensing capillary and a grounded...
Resource Type:: Masters Thesis
Full Text:: also seen applied in electrospray ionization interfaces to mass spectrometers. The underlying

ScholarsArchive@OSU

Hardware design and protection issues in an AC/AC converter

A low cost AC motor drive for battery powered applications

Impact excitation efficiency in AC-driven thin-film electroluminescent devices

Photoinitiated grafting of PMMA onto cellulose nanocrystals to improve nanocomposite reinforcement-matrix interface

Internal charge-phosphor field analysis, electrical characterization, and aging studies of AC thin-film electroluminescent devices

Electrical characterization and aging studies of green ZnS: Tb AC thin-film electroluminescent devices

Processing of nanoscale materials

Material development for thin-film transistors

Sputtered Pb(Zr0.52Ti0.48)O3 (PZT) thin films on copper foil substrates, Sputtered Pb(Zr₀.₅₂Ti₀.₄₈)O₃ (PZT) thin films on copper foil substrates

Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

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