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Defect mechanisms in high resistivity BaTiO₃–Bi(Zn₁/₂Ti₁/₂)O₃ ceramics

Creator:: Raengthon, Natthaphon, DeRose, Victoria J., Brennecka, Geoffrey L., and Cann, David P.
Abstract:: The defect mechanisms that underpin the high energy density dielectric 0.8BaTiO₃–0.2Bi(Zn₁/₂Ti₁/₂) O₃ were investigated. Characterization of the nominally stoichiometric composition revealed the presence of a Ti³⁺-related defect center, which is correlated with lower resistivities and an electrically heterogeneous microstructure. In compositions with 2 mol. % Ba-deficiency, a barium vacancy-oxygen vacancy...
Resource Type:: Article

CannDavidMIMEDefectMechanismsHighCorrection.pdf

Creator:: Raengthon, Natthaphon, DeRose, Victoria J., Brennecka, Geoffrey L., and Cann, David P.
Abstract:: The defect mechanisms that underpin the high energy density dielectric 0.8BaTiO₃–0.2Bi(Zn₁/₂Ti₁/₂) O₃ were investigated. Characterization of the nominally stoichiometric composition revealed the presence of a Ti³⁺-related defect center, which is correlated with lower resistivities and an electrically heterogeneous microstructure. In compositions with 2 mol. % Ba-deficiency, a barium vacancy-oxygen vacancy...
Full Text:: online 28 September 2012) [http://dx.doi.org/10.1063/1.4757256] This article was originally published

CannDavidMIMEDefectMechanismsHigh.pdf

Creator:: Raengthon, Natthaphon, DeRose, Victoria J., Brennecka, Geoffrey L., and Cann, David P.
Abstract:: The defect mechanisms that underpin the high energy density dielectric 0.8BaTiO₃–0.2Bi(Zn₁/₂Ti₁/₂) O₃ were investigated. Characterization of the nominally stoichiometric composition revealed the presence of a Ti³⁺-related defect center, which is correlated with lower resistivities and an electrically heterogeneous microstructure. In compositions with 2 mol. % Ba-deficiency, a barium vacancy-oxygen vacancy...
Full Text:: dielectric properties of BaTiO3 can be manipulated through doping or through the formation of solid

Scaling of voltage-current characteristics of thin-film Y-Ba-Cu-O at low magnetic fields

Creator:: Roberts, J. M., Brown, Brandon, Hermann, B. A., Tate, J., and Tate, Janet
Abstract:: We have measured voltage-current characteristics for YBa₂Cu₃O₇ thin films in magnetic fields from 5 T to ambient, including some in the millitesla range. In all cases, the resistivity —current density isotherms can be separated into two classes: those which exhibit upward curvature, and have constant resistivity at low currents, and...
Resource Type:: Article
Full Text:: found that, at all fields down to ambient, there is a critical region within which the data can be

Cold front induced changes on the Florida panhandle shelf during October 2008

Creator:: Kamykowski, D., Morrison, J. M., McCulloch, A. A., Nyadjro, E. S., Thomas, C. A., Sinclair, G. A., and Grabowski Pridgen, K.
Abstract:: A significant step transition between seasonally stratified and destratified hydrographic conditions occurred during an October 2008 cruise to the Florida Panhandle Shelf along a cross-shelf transect that was sampled before and after a cold front passed through the area. Meteorological measurements from nearby ocean and land-based stations characterized the event....
Resource Type:: Article
Full Text:: between the 25–35 m isobaths occurred with the 1% light level at �18 m depth and a near-bottom

From Meters to Kilometers: A Look at Ocean-Color Scales of Variability, Spatial Coherence, and the Need for Fine-Scale Remote Sensing in Coastal Ocean Optics

Creator:: Bissett, W. Paul, Arnone, Robert A., Davis, Curtiss O., Dickey, Tommy D., Dye, Daniel, Kohler, David D. R., and Gould, Richard W. Jr.
Abstract:: The physical, biological, chemical, and optical processes of the ocean operate on a wide variety of spatial and temporal scales, from seconds to decades and from micrometers to thousands of kilometers (Dickey et al., this issue; Dickey, 1991). These processes drive the accumulation and loss of living and nonliving mass...
Resource Type:: Article
Full Text:: that may be derived from optical data. To look at the impacts of spectral resolution reduction on

Watercolors in the Coastal Zone: What Can We See?

Creator:: Schofield, Oscar, Arnone, Robert A., Bissett, W. Paul, Dickey, Tommy D., Davis, Curtiss O., Finkel, Zoe, Oliver, Matthew, and Moline, Mark A.
Abstract:: Hydrological optics has a rich history, playing a significant role in physical, chemical, and biological oceanography. The success over the last 30 years has provided oceanographers with a non-invasive means to study regional and global scale physical, chemical, and biological processes (Figure 1). The ability to map the color of...
Resource Type:: Article
Full Text:: THE ROLE OF OPTICS IN OCEANOGR APHY Th is article has been published in Oceanography, Volume 17

AndersonKimEMTDGTEstimatesCadmium.pdf

Creator:: Pérez, Angela L. and Anderson, Kim A.
Abstract:: Cadmium is a common impurity in phosphatic fertilizers and may contribute to soil Cd accumulation. Changes in total and bioavailable Cd burdens to agricultural soils and the potential for plant Cd accumulation resulting from fertilizer input was investigated. Three year field studies were conducted using three dose levels of cadmium-rich,...
Full Text:: levels for the nitrogen needs for the soil type, irrigation practices, and crops to be grown at each

Global Existence and Energy Decay Rates for a Kirchhoff-Type Wave Equation with Nonlinear Dissipation

Creator:: Kim, Daewook, Kim, Dojin, Hong, Keum-Shik, and Jung, Il Hyo
Abstract:: The first objective of this paper is to prove the existence and uniqueness of global solutions for a Kirchhoff-type wave equation with nonlinear dissipation of the form Kuⁿ + 𝑀(|𝐴¹/²𝑢|²)𝐴𝑢 + 𝑔(𝑢')=0 under suitable assumptions on 𝐾, 𝐴, 𝑀(⋅), and 𝑔(⋅). Next, we under some growth conditions on the nonlinear...
Resource Type:: Article
Full Text:: to a Kirchhoff-type equation with 𝐾𝑢󸀠󸀠 instead of 𝑢󸀠󸀠 can be found in Levine [19]. Jung and

Multiscale elliptic-parabolic systems for flow and transport

Creator:: Peszyńska, Malgorzata and Showalter, Ralph E.
Abstract:: An upscaled elliptic-parabolic system of partial differential equations describing the multiscale flow of a single-phase incompressible fluid and transport of a dissolved chemical by advection and diffusion through a heterogeneous porous medium is developed without the usual assumptions of scale separation. After a review of homogenization results for the traditional...
Resource Type:: Article
Full Text:: ), (1.9) is the exact discrete model for the problem from [57]. Theo- retically, it can be solved

ScholarsArchive@OSU

Defect mechanisms in high resistivity BaTiO₃–Bi(Zn₁/₂Ti₁/₂)O₃ ceramics

CannDavidMIMEDefectMechanismsHighCorrection.pdf

CannDavidMIMEDefectMechanismsHigh.pdf

Scaling of voltage-current characteristics of thin-film Y-Ba-Cu-O at low magnetic fields

Cold front induced changes on the Florida panhandle shelf during October 2008

From Meters to Kilometers: A Look at Ocean-Color Scales of Variability, Spatial Coherence, and the Need for Fine-Scale Remote Sensing in Coastal Ocean Optics

Watercolors in the Coastal Zone: What Can We See?

AndersonKimEMTDGTEstimatesCadmium.pdf

Global Existence and Energy Decay Rates for a Kirchhoff-Type Wave Equation with Nonlinear Dissipation

Multiscale elliptic-parabolic systems for flow and transport

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