Formation of orientation-ordered superlattices of magnetite magnetic nanocrystals from shape-segregated self-assemblies

Article Abstract:

Nonhydrolytic reaction is combined with seed-mediated growth to synthesize magnetic magnetite ([Fe.sub.3][O.sub.4]) nanocrystals, where their shapes are controlled either as pure spheres or a mixture of mainly faceted nanocrystals. Transmission electron microscopy (TEM) analysis has indicated that the faceted nanocrystal mixture tends to self-segregate based on the shape in a self-assembly process and each shape forms its own distinct crystallographic orientation-ordered superlattice assemblies.

Usage, Iron compounds, Transmission electron microscopes, Magnetic properties

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Growth of large-area aligned molybdenum nanowires by high temperature chemical vapor deposition: Synthesis, growth, mechanism and device application

Article Abstract:

Large-Area aligned Mo nanowires are grown on stainless steel substrates by high-temperature chemical vapor deposition with the use of Mo metal. The detailed physical and chemical growth processes regarding the formation of the nanowires are investigated using mass spectroscopy, thermogravimetry and differential scanning calorimetry analysis as well as structure analysis by electron microscopy.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Molybdenum, Chemical vapor deposition, Chemical vapour deposition

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