Modeling of crystallization process in confined melt of sulfuric acid catalyst

Article Abstract:

The canonical Monte Carlo method was applied to study the temperature behavior of the lattice binary melt consisting of model (V(super 4+))(sub 2) and (V(super 5+)(sub 2) dimers confined by cylindrical and slitlike pore walls. It was found that the smaller the pore size, the higher the retarding of the crystallization process, and repulsive pore walls have only an insignificant influence on the crystallization process, while attractive walls shows a weak tendency to propagation of crystallization process.

Analysis, Crystallization, Vanadium compounds

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Effect of ac electrodepostion conditions on the growth of high aspect ratio copper nanowires in porous aluminum oxide templates

Article Abstract:

The effect of several deposition parameters on the uniformity of copper electrodeposition through the alumina barrier layer into porous aluminum oxide templates grown in sulfuric or oxalic acid was systematically investigated. For square wave depositions into sulfuric acid grown pores, the reductive/oxidative pulse produced more uniform pore-filling, likely as a result of enhanced resonant tunneling through the barrier layer and reoxidation of copper in faster filling pores.

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Localized surface plasmon resonance nanosensor: A high-resolution distance-dependence study using atomic layer deposition

Article Abstract:

The use of atomic layer deposition enables the study of both the long and short-range distance dependence of the localized surface plasmon resonance (LSPR) nanosensor in a single unified experiment. LSPR nanosensor can detect Al(sub 2)O(sub 3) film growth with atomic spatial resolution to the nanoparticle surface and the distinct performance of both groups of zeolites is likely related to the different iron speciation, which is influenced by the composition of the framework.

Methods, Design and construction, Sensors, Monomolecular films, Electrodeposition

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