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 Collection: UNT Theses and Dissertations
Electoral Behavior in Texas from 1944 Through 1972

Electoral Behavior in Texas from 1944 Through 1972

Date: August 1973
Creator: Dickenson, Martha Kay
Description: "This report concludes that the evidence from the analyses seems to support the following propositions in regard to Texas electoral behavior. (1) The 1956 election year was a critical election year in Texas. (2) A pattern indicative of an underlying economic liberalism-conservatism was present in Texas voting patterns from 1944 through 1956, but not after. (3) The Mexican-American and German counties experienced political realignment in 1956 which continued through 1972. (4) The counties affording the most support to the liberal faction shift continuously. (5) The Texas electorate had been in a state of flux since 1956. To date no pattern other than the ethnic group realignment has stabilized. (6) Party-competition in gubernatorial elections has been increasing since 1962. (7) Ralph Yarborough has been the only liberal candidate for a major statewide office to draw support in a high and uniform degree across the state. (8) Ralph Yarborough's base of support has completely shifted since 1952. (9) The Farenthold vote was most closely aligned with that of Donald Yarborough. (10) Socio-economic factors have stronger relationship to Republican, liberal Democratic candidates, and major third party candidates than to conservative Democratic candidates. (11) All evidence form these analyses points to personalism and candidate ...
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Electoral Rules, Political Parties, and Peace Duration in Post-conflict States

Electoral Rules, Political Parties, and Peace Duration in Post-conflict States

Date: December 2014
Creator: Kisin, Tatyana Tuba Kelman
Description: This dissertation examines the following research question: Which types of electoral rules chosen in post-conflict states best promote peace? And are those effects conditional upon other factors? I argue that the effects are conditional upon the types of political parties that exist in the post-conflict environment. Although this explanation is contrary to scholars that speak of political parties as products of the electoral system, political parties often predate the choice of electoral system. Especially in post-conflict states, political parties play an important role in the negotiation process and hence in the design of the electoral rules. I argue that the effects of electoral rules on peace duration are mitigated by the degree to which a party system is broad (nonexclusive) or narrow (exclusive). I develop a theoretical model that led to three hypotheses focusing on the independent role that political parties play in mitigating the effects of electoral rules on peace duration. To test these hypotheses, I use the Cox proportional hazard model on 57 post-conflict states from 1990 to 2009 and had competitive elections. The empirical results show support for the main argument of this study. First, the findings show that electoral rules alone do not increase or decrease ...
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Electoral System Effects On Anti-muslim Sentiments In Western Europe

Electoral System Effects On Anti-muslim Sentiments In Western Europe

Date: December 2011
Creator: Saleemi, Asmara
Description: The purpose of this thesis is to answer the question, why is there a variation in anti-Muslim sentiments across Western Europe? There is existing literature on individual and country-level variable s to explain why prejudice exists, but this research examines the impact of political institutions on anti-Muslim sentiments. Based on new institutionalism theory, electoral systems can shape public attitudes by providing far-right parties a platform to put their concerns on the agenda, and these parties promote anti-Muslim popular sentiments. The results of this analysis support this argument in that the larger the average district magnitude in a country, the greater the anti-Muslim sentiments. The findings also show that an increase in far-right party vote-share also covaries with an increase in anti-Muslim sentiments.
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Electric Dichroism Spectroscopy in the Vacuum Ultraviolet

Electric Dichroism Spectroscopy in the Vacuum Ultraviolet

Date: May 1978
Creator: Causley, Gary C.
Description: None
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Electrical and Structure Properties of High-κ Barium Tantalite and Aluminum Oxide Interface with Zinc Oxide for Applications in Transparent Thin Film Transistors

Electrical and Structure Properties of High-κ Barium Tantalite and Aluminum Oxide Interface with Zinc Oxide for Applications in Transparent Thin Film Transistors

Date: August 2011
Creator: Kuo, Fang-Ling
Description: ZnO has generated interest for flexible electronics/optoelectronic applications including transparent thin film transistors (TFTs). For this application, low temperature processes that simultaneously yield good electrical conductivity and optical transparency and that are compatible with flexible substrates such as plastic, are of paramount significance. Further, gate oxides are a critical component of TFTs, and must exhibit low leakage currents and self-healing breakdown in order to ensure optimal TFTs switching performance and reliability. Thus, the objective of this work was twofold: (1) develop an understanding of the processing-structure-property relationships of ZnO and high-κ BaTa2O6 and Al2O3 (2) understand the electronic defect structure of BaTa2O6 /ZnO and Al2O3/ZnO interfaces and develop insight to how such interfaces may impact the switching characteristics (speed and switching power) of TFTs featuring these materials. Of the ZnO films grown by atomic layer deposition (ALD), pulsed laser deposition (PLD) and magnetron sputtering at 100-200 °C, the latter method exhibited the best combination of n-type electrical conductivity and optical transparency. These determinations were made using a combination of photoluminescence, photoluminescence excitation, absorption edge and Hall measurements. Metal-insulator-semiconductor devices were then fabricated with sputtered ZnO and high-κ BaTa2O6 and Al2O3 and the interfaces of high-κ BaTa2O6 and Al2O3 with ZnO ...
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Electrical Conduction Mechanisms in the Disordered Material System P-type Hydrogenated Amorphous Silicon

Electrical Conduction Mechanisms in the Disordered Material System P-type Hydrogenated Amorphous Silicon

Date: December 2014
Creator: Shrestha, Kiran
Description: The electrical and optical properties of boron doped hydrogenated amorphous silicon thin films (a-Si) were investigated to determine the effect of boron and hydrogen incorporation on carrier transport. The a-Si thin films were grown by plasma enhanced chemical vapor deposition (PECVD) at various boron concentrations, hydrogen dilutions, and at differing growth temperatures. The temperature dependent conductivity generally follows the hopping conduction model. Above a critical temperature, the dominant conduction mechanism is Mott variable range hopping conductivity (M-VRH), where p = ¼, and the carrier hopping depends on energy. However, at lower temperatures, the coulomb interaction between charge carriers becomes important and Efros-Shklosvkii variable hopping (ES-VRH) conduction, where p=1/2, must be included to describe the total conductivity. To correlate changes in electrical conductivity to changes in the local crystalline order, the transverse optical (TO) and transverse acoustic (TA) modes of the Raman spectra were studied to relate changes in short- and mid-range order to the effects of growth temperature, boron, and hydrogen incorporation. With an increase of hydrogen and/or growth temperature, both short and mid-range order improve, whereas the addition of boron results in the degradation of short range order. It is seen that there is a direct correlation between the ...
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Electrical Conductivity in Thin Films

Electrical Conductivity in Thin Films

Date: May 1973
Creator: Meyer, Frederick Otto
Description: This thesis deals with electrical conductivity in thin films. Classical and quantum size effects in conductivity are discussed including some experimental evidence of quantum size effects. The component conductivity along the applied electric field of a thin film in a transverse magnetic field is developed in a density matrix method.
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Electrical resistivity as a measure of change of state in substrates: Design, development and validation of a microprocessor-based system.

Electrical resistivity as a measure of change of state in substrates: Design, development and validation of a microprocessor-based system.

Access: Use of this item is restricted to the UNT Community.
Date: December 2009
Creator: Le, Dong D.
Description: Smart structures are relevant and significant because of their relevance to phenomena such as hazard mitigation, structural health monitoring and energy saving. Electrical resistance could potentially serve as an indicator of structural well-being or damage in the structure. To this end, the development of a microprocessor-based automated resistance measurement system with customized GUI is desired. In this research, a nodal electrical resistance acquisition circuit (NERAC) system was designed. The system hardware interfaces to a laptop, which houses a customized GUI developed using DAQFactory software. Resistance/impedance was measured using DC/AC methods with four-point probes technique, on three substrates. Baseline reading before damage was noted and compared with the resistance measured after damage. The device was calibrated and validated on three different substrates. Resistance measurements were taken from PVDF samples, composite panels and smart concrete. Results conformed to previous work done on these substrates, validating the effective working of the NERAC device.
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Electricity in Rural Areas of North Texas

Electricity in Rural Areas of North Texas

Date: January 1949
Creator: Greathouse, Charles Simmons
Description: "This study shows three things: (1) a precedent for the expenditure of public funds to teach electricity in our public high schools has already been established by the school system in the larger school systems of Texas, (2) the rural families living on electrified farms in the North Texas area want instruction of this type given to the boys and girls in their communities, and (3) both the rural people and the professional people of the North Texas area believe that instruction dealing with the use of electricity and electrical equipment had spread until by 1935 more than twenty-one million homes, about eighty percent of the total in America at that time, were electrified, only eleven American farms out of every 100 had central-station electricity. More than five million American farms lacked electric service. "--leaf 50.
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An Electro- Magneto-static Field for Confinement of Charged Particle Beams and Plasmas

An Electro- Magneto-static Field for Confinement of Charged Particle Beams and Plasmas

Date: May 2014
Creator: Pacheco, Josè L.
Description: A system is presented that is capable of confining an ion beam or plasma within a region that is essentially free of applied fields. An Artificially Structured Boundary (ASB) produces a spatially periodic set of magnetic field cusps that provides charged particle confinement. Electrostatic plugging of the magnetic field cusps enhances confinement. An ASB that has a small spatial period, compared to the dimensions of a confined plasma, generates electro- magneto-static fields with a short range. An ASB-lined volume thus constructed creates an effectively field free region near its center. It is assumed that a non-neutral plasma confined within such a volume relaxes to a Maxwell-Boltzmann distribution. Space charge based confinement of a second species of charged particles is envisioned, where the second species is confined by the space charge of the first non-neutral plasma species. An electron plasma confined within an ASB-lined volume can potentially provide confinement of a positive ion beam or positive ion plasma. Experimental as well as computational results are presented in which a plasma or charged particle beam interact with the electro- magneto-static fields generated by an ASB. A theoretical model is analyzed and solved via self-consistent computational methods to determine the behavior and equilibrium ...
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