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Designing Dielectric Materials through Complex Metal Oxides

Creator:: Nikkel, Jason W.
Abstract:: This dissertation demonstrated that the electrical properties of complex oxide-based perovskite materials could be controlled through the careful modification of both material composition and structure. This was first shown through the modification of lead zirconate titanate (Pb(Zr0.52Ti0.48)O3, PZT) solid solutions with bismuth indate (BiInO3, BI) where the relative stability of...
Resource Type:: Dissertation
Full Text:: David P. Cann This dissertation demonstrated that the electrical properties of complex oxide

Recovery of High-graded Nothofagus Forests: Building Resilience Through Theory and Practice

Creator:: Soto, Daniel P.
Abstract:: The increasing human demands on natural resources, in combination with uncertainties about ecosystem dynamics due to global change, has led the scientific community to conclude that new approaches in understanding of ecological systems are needed to tackle environmental issues in an efficient manner. One development that has received more attention...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Daniel P. Soto for the degree

Tentative equilibrium diagram for the nickel-rich end of the nickel-zirconium system

Creator:: Armstrong, Asa William
Resource Type:: Dissertation
Full Text:: author is indebted include: P. . Francoeur, melting; Haruo Kato, fabrication; P. A. Romans, x-ray

Properties of flash-evaporated gallium arsenide and gallium phosphide epitaxial films

Creator:: Matsuo, Samuel Seiji
Abstract:: The properties of flash- evaporated films of GaAs and GaP were studied in this investigation. Films were grown at various substrate temperatures, source temperatures, source-to-substrate distances and rates of deposition and were evaluated as to their structural, optical and electric properties. It was found that substrate temperature was the major...
Resource Type:: Dissertation
Full Text:: , additional doping was incorporated in the evaporant. Tin was added to n -type wafers and zinc to p -type

Electron-phonon contribution to the electronic density of states in a dilute alloy

Creator:: Hicks, Jay Charles
Resource Type:: Dissertation
Full Text:: sucesses including the explanation of the Hume-Rothery rules (see Appendix). This assumption, that the

Generalized linear mixed models with censored covariates

Creator:: Giovanini, John
Abstract:: This dissertation is about statistical methods for data analysis using generalized linear mixed models (GLMMs) with censored covariates. Special attention in given to the particular problem of inference about age-specific reproductive success in wild animal populations using some animals with known ages and some animals with ages only known to...
Resource Type:: Dissertation
Full Text:: sparrowhawks (Newton, Rothery 2002). GLMMs offer a useful approach to these biological investigations. They

The phase diagram of zirconium and chromium with special reference to the transformation in the intermetalic compound ZrCr₂

Creator:: Shen, Yuan-shou
Abstract:: The zirconium-chromium phase diagram was investigated in the region between 40% and 85% chromium. The ZrCr₂ intermetallic compound which has been the source of some controversy was especially considered. It was found that ZrCr₂ transforms from the low temperature C-15 (MgCu₂, FCC) structure to the high temperature C-14 (MgZn₂, HCP)...
Resource Type:: Dissertation
Full Text:: Alloys" (22, p. 573). 5 1800 1600 U 1400 1200 0 a) 1000 H 800 ß 0 Zr L

Environmental impacts on native bumble bee pollinators in an agricultural landscape of western Oregon

Creator:: Skyrm, Kimberly M.
Abstract:: Bumble bees provide vital pollination services in both native and agricultural landscapes. However, in recent years, bumble bee populations have experienced global population declines. The primary causes of these declines have been attributed to the environmental impacts of pathogens, pesticide use and habitat fragmentation. While research has examined the impacts...
Resource Type:: Dissertation
Full Text:: , and writing of research in Chapter II-V. Dr. William P. Stephen assisted with study design, data

The Influence of Alternate Life History Strategies and Natal Conditions on the Reproductive Performance of Adélie Penguins Breeding on Ross Island, Antarctica

Creator:: Kappes, Peter J.
Abstract:: A fundamental objective of ecology and population biology is to identify factors that drive population dynamics and determine the population-level consequences of their interaction with the environment. Studies of reproductive performance can illuminate population dynamic processes, including the links between organismal biology, the environment, and life history theory. A central...
Resource Type:: Dissertation
Full Text:: at middle age, followed by late-life decline or senescence (Newton and Rothery 1997, McElligott et

Aquatic community responses to drought disturbance: experimental manipulations of top predator extinctions and stream drying

Creator:: Boersma, Kate S.
Abstract:: Although it is generally assumed that the intensifying abiotic environment is the primary effect of drought on aquatic organisms, drought-induced top predator extinctions may be an important underlying mechanism. I used manipulative experiments to disentangle the impacts of drying and top predator extinctions on arid-land aquatic invertebrate communities. I then...
Resource Type:: Dissertation
Full Text:: : 2010 = 0.58mm, 2011 = 1.14mm; Welch’s t-test, t = -0.825, df = 38.356, p = 0.415). All mesocosms

ScholarsArchive@OSU

Designing Dielectric Materials through Complex Metal Oxides

Recovery of High-graded Nothofagus Forests: Building Resilience Through Theory and Practice

Tentative equilibrium diagram for the nickel-rich end of the nickel-zirconium system

Properties of flash-evaporated gallium arsenide and gallium phosphide epitaxial films

Electron-phonon contribution to the electronic density of states in a dilute alloy

Generalized linear mixed models with censored covariates

The phase diagram of zirconium and chromium with special reference to the transformation in the intermetalic compound ZrCr₂

Environmental impacts on native bumble bee pollinators in an agricultural landscape of western Oregon

The Influence of Alternate Life History Strategies and Natal Conditions on the Reproductive Performance of Adélie Penguins Breeding on Ross Island, Antarctica

Aquatic community responses to drought disturbance: experimental manipulations of top predator extinctions and stream drying

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