CuO/Ta₂O₅ core/shell nanoparticles produced by arc-discharge in water

The formation of novel nanoparticles, i.e. CuO/Ta₂O₅ core/shell, via anodic arc-discharge in water is reported. Typical core diameters and shell thicknesses are about 20 and 5nm, respectively. Both core and shell are crystalline. The resulting core/shell-structured nanopowder exhibits dielectric beh...

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Bibliographic Details
Published in:Materials letters 2011-08, Vol.65 (15-16), p.2337-2340
Main Authors: Delaportas, D, Svarnas, P, Alexandrou, I, Georga, S.N, Krontiras, C.A, Xanthopoulos, N.I, Siokou, A, Chalker, P.R
Format: Article
Language:English
Subjects:
ANODES
Anodic
ARCS
COMPOSITES
copper
COPPER OXIDE
CRYSTAL STRUCTURE
MICROSTRUCTURES
Nanocomposites
Nanomaterials
Nanoparticles
Nanostructure
OXIDES
PARTICLES
Shells
tantalum
Tantalum oxides
WATER
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Summary:The formation of novel nanoparticles, i.e. CuO/Ta₂O₅ core/shell, via anodic arc-discharge in water is reported. Typical core diameters and shell thicknesses are about 20 and 5nm, respectively. Both core and shell are crystalline. The resulting core/shell-structured nanopowder exhibits dielectric behavior.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2011.05.044