Template-free preparation of bunches of aligned beohmite nanowires

Article Abstract:

A simple method based on a hydrothermal process using alkali salts as mineralizers is proposed for the synthesis of aligned bunches of boehmite (gamma-AlOOH) nanowires without a template's assistance. The specific surface area and pore-size distribution of the obtained product as determined by gas-sorption measurements show that the boehmite bundles possess a high BET surface area and porosity properties.

Analysis, Chemical properties, Alkali metal compounds, Sorption

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Thermal conductivity of nanostructure boron nitride materials

Article Abstract:

The thermal conductivity of bulky pellets made of various boron nitride based nanomaterials including spherical nanoparticles, perfectly structured, bamboo-like nanotubes and collapsed nanotubes is measured. The thermal conductivity strongly depends on the morphology of the boron nitride nanomaterials, especially on the surface structure.

Structure

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Boron nitride nanotubes filled with Ni and NiSi2 nanowires in situ

Article Abstract:

A synthetic method to fill boron nitride (BN) nanotubes with metals or metal alloys was proposed using a vapor-liquid-solid catalytic growth mechanism. The BN nanotube fillings clearly exhibit nanometallurgical behavior, the absorbed liquid metals crystallize in BN nanotubes grow parallel to the innermost tube shell.

Electric properties, Nickel, Nanotubes

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