Metal behaviors of nanocrystalline Ag

Article Abstract:

A method to determine the melting temperature (T(sub m)) of nanocrystalline materials is presented. As a result of smaller-size grains and a larger proportion of grain boundaries (GBs) with a higher excess energy, the T(sub m) of infinite nanocrystalline (NC) materials decreases with decreasing the mean grain size and in metallic nanocrystalline materials, the melting is a gradual process that starts from the GB regions and evolves towards the interior of grains.

Semiconductors, Grain boundaries, Semiconductors (Materials)

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Gold and gold-iron oxide magnetic glyconanoparticles: Synthesis, characterization and magnetic properties

Article Abstract:

The synthesis, characterization and the magnetic properties of gold and gold-iron oxide glyconanoparticles (GNPs) are reported and also, tried to obtain iron-free gold or gold-iron oxide GNPs with controlled gold-iron ratios. Permanent magnetism up to room temperature in the iron-free gold GNPs is observed, which is not present in the corresponding gold-iron oxide GNPs.

Ferric oxide, Magnetic properties, Glycols, Glycols (Class of compounds), Nanoparticles

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Aluminosilicate dissolution kinetics: a general stochastic model

Article Abstract:

A kinetic model is used for understanding the behavior of crystal dissolution to aluminosilicate dissolution kinetics. The stochastic model has integrated all microscopic information at the atomic scale and has explored the reasons for the kinetic results in experimental studies, thus improving the understanding of the aluminosilicate dissolution.

Aluminum Silicate, Aluminum silicates, Diffusion, Diffusion (Physics), Dynamics, Dynamics (Mechanics), Mechanical properties, Structure

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