Diffusion Barrier
A limiting current O 2sensor constituted of (CeO2 0.95 (Y 2O3 0.05 as solid electrolyte layer and (CeO 20.75 (ZrO 20.25 as dense diffusion barrier layer
... oxygen diffusion rate from ZDC ...oxygen diffusion rate of the ZDC dense diffusion barrier and the voltage increases to a certain value, the limiting current plateau is ...
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The porin and the permeating antibiotic: A selective diffusion barrier in gram negative bacteria
... this theory was derived for reactions in the gas phase, and the pre-exponential corresponds to the number of molecular trials needed to overcome the barrier (number of ‘hits’). In condensed phase, this value is ...
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Phase Characterization of Re Based Diffusion Barrier Layer on Nb Substrate
... The objective of this study is to identify the crystal structure of the various phases in the Cr-Nb-Re coating system by means of TEM. The paper will describe details of the selected area electron diffraction (SAED) ...
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Nickel Silicide as a Contact and Diffusion Barrier for Copper Metallization in Silicon Photovoltaics
... the diffusion continues a built-in electric field is formed at the junction between the ...the diffusion of carriers and equilibrium between the two is ...
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Study of Tantalum nitride diffusion barrier films for coppper interconnect technology
... When this de-plating the it current constant layer is less than the in figure 4.4, giving lesser thickness than that electrolytic solution The is thus causing under plating of wafer and [r] ...
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Open Journal Systems
... of diffusion in other countries especially in developing ...the barrier of diffusion, which focuses on the adopter categories of diffusion, barrier factors and proposition of key ...
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One step bonding of Ni electrode to n type PbTe A step towards fabrication of thermoelectric generators
... PbTe-based thermoelectric materials are good candidates for harvesting waste heat at mid-range temperatures due to their high thermoelectric efficiencies. Excellent quality and reliability of the bonding between the ...
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Mechanisms of ionic homeostasis in the central nervous system of an insect
... Extracellular ionic homeostasis in an insect central nervous system involves a peripheral intercellular diffusion barrier, an extracellular matrix and neuroglial cation transport.. The p[r] ...
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Advances on High Temperature Pd-Based Membranes and Membrane Reactors for Hydrogen Purifcation and Production
... The selection of the support is of critical importance in the preparation of thin (< 5 μm) and defect-free palladium membranes. High surface roughness and the presence of large pores inhibit the deposition of thin ...
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A biodegradable polymeric system for peptide–protein delivery assembled with porous microspheres and nanoparticles, using an adsorption/infiltration process
... Therefore, porosity and surface area play an important role in peptide release. However, at close to 12 hours, system 1 (with- out adsorbed nanoparticles) had released 90.3% ± 9.1% of the peptide, whereas systems 2, 3, ...
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Delineation of the Dimensions and Permeability Characteristics of the Two Major Diffusion Barriers to Passive Mucosal Uptake in the Rabbit Intestine
... unstirred water layer was resolved into two compartments: one behaves like a layer of water overlying the upper villi while the other probably consists of solution between villi. The superficial layer is physiologically ...
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Barrier Properties of Electroplating Nickel Layer for Copper Metallization in Silicon Solar Cells
... as diffusion barrier for the copper metallization in silicon solar cells investigated in this work includes nickel deposited by electroless method, silicidation, nickel, and copper deposited by ...
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Behaviour of Boiler Steel Exposed to Combustion Gases Containing Bromide and Chloride Additives
... the diffusion barrier formed on the surface during exposure to the sure to the steam boiler flue gas environment, all the tested metals behaved similarly indicating mutual factor determining the ...a ...
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Adsorption and diffusion of Ru adatoms on Ru(0001)-supported graphene: Large-scale first- principles calculations Yong Han
... and diffusion of Ru adatoms on monolayer graphene (G) supported on ...local diffusion near the center of the fcc region and obtain a localdiffusion barrier of ∼ ...local diffusion ...
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Behaviour of a Composite Concrete Trapezoidal Steel Plate Slab in Fire
... While the steel sheet as a diffusion barrier has only a small effect on the temperature distributions, its effect on pore pressures is substantial. This is clearly seen in Fig- ure 4. In case A1, where the ...
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Methods to improve the PVD coatability of brass by using diffusion barriers
... In electroplating metallisation, copper is used as a diffusion barrier for zinc. To also take advantage of the positive corrosion properties of aluminium on the brass substrates observed in this work, ...
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<p>Perfusion, Diffusion, Or Brain Tumor Barrier Integrity: Which Represents The Glioma Features Best?</p>
... a diffusion-weighted echo-planar sequence, was implemented with a single shot spin-echo using 13 dif- ferent b-values (0, 30, 50, 100, 200, 300, 500, 800, 1000, 1500, 2000, 3000, 3500 s/mm 2 ) in 3 orthogonal ...
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Flushing time of solutes and pollutants in the central Great Barrier Reef lagoon, Australia
... Evaporation produces salinities at the coast of the GBR lagoon that can be roughly 1 ppt higher than normal seawater values (Walker 1981, 1982). During the dry season, when fresh- water river inflow is negligible, the ...
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First-Principles Investigation of Titanium Nanoparticle Oxidation
... the barrier to diffusion for a single oxygen ...oxygen diffusion can trigger displacement of remote oxygen ions which complicates the ...oxygen diffusion while minimizing effects on oxygen ...
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Role of LOTR1 in nutrient transport through organization of spatial distribution of root endodermal barriers
... The penetration of PI into the stele was used to assess the function of apoplastic diffusion barriers in roots [S14]. The seedlings were incubated in a fresh solution of 15 µM (10 µg mL -1 ) PI in the dark for the ...
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