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Supercritical fluid technology of nanoparticle coating for new ceramic materials
Language
en
Article de revue
This item was published in
Journal of Nanoscience and Nanotechnology. 2005, vol. 5, n° 6, p. 980-983
American Scientific Publishers
English Abstract
This work highlights, for the first time, the coating of ferroelectric nanoparticles with a chemical fluid deposition process in supercritical fluids. BaTiO3 nanoparticles of about 50 nm are coated with a shell of a few ...Read more >
This work highlights, for the first time, the coating of ferroelectric nanoparticles with a chemical fluid deposition process in supercritical fluids. BaTiO3 nanoparticles of about 50 nm are coated with a shell of a few nanometers of amorphous alumina and can be recovered as a dry powder for processing. The sintering of these core–shell nanoparticles gives access to a ceramic material with very interesting ferroelectric properties, in particular, dielectric losses below 1%.Read less <
English Keywords
Supercritical fluids
Nanotechnology
Coating
Core-shell structures
BaTiO3
Al203
Ferroelectric materials
Low dielectric losses
Origin
Hal imported