| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ellis, A. R.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2012Epoxy nanodielectrics fabricated with in situ and ex situ techniquescitations
- 2010ELECTRICAL AND MECHANICAL PROPERTIES OF TITANIUM DIOXIDE NANOPARTICLE FILLED EPOXY RESIN COMPOSITEScitations
- 2010Electrical properties of a thermoplastic polyurethane filled with titanium dioxide nanoparticles
- 2010DIELECTRIC PROPERTIES OF VARIOUS NANOCOMPOSITE MATERIALS
- 2010VERY LOW FREQUENCY BREAKDOWN PROPERTIES OF ELECTRICAL INSULATION MATERIALS AT CRYOGENIC TEMPERATUREScitations
- 2010Breakdown properties of epoxy nanodielectriccitations
- 2009Polyamide 66 as a cryogenic dielectriccitations
- 2009Very low frequency breakdown strengths of electrical insulation materials at cryogenic temperaturescitations
- 2009Electrical Insulation Characteristics of Glass Fiber Reinforced Resinscitations
- 2009Electrical properties of a polymeric nanocomposite with in-situ synthesized nanoparticlescitations
- 2008Nanodielectric system for cryogenic applications: Barium titanate filled polyvinyl alcoholcitations
- 2008Cobalt iron-oxide nanoparticle modified poly(methyl methacrylate) nanodielectricscitations
- 2007Enhancement of dielectric strength in nanocompositescitations
- 2007Dielectric properties of polyvinyl alcohol filled with nanometer size barium titanate particlescitations
- 2007Breakdown and Partial Discharge Measurements of Some Commonly Used Dielectric Materials in Liquid Nitrogen for HTS Applicationscitations
- 2006Electrical properties of epoxy resin based nano-compositescitations
Places of action
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article
Cobalt iron-oxide nanoparticle modified poly(methyl methacrylate) nanodielectrics
Abstract
In this paper, we report the dielectric properties of composite systems (nanodielectrics) made of small amounts of mono dispersed magnetic nanoparticles embedded in a polymer matrix. It is observed from the transmission electron microscope images that the matrix polymeric material is confined in approximately 100 nm size cages between particle clusters. The particle clusters are composed of separated spherical particles which comprise unconnected networks in the matrix. The dielectric relaxation and breakdown characteristics of the matrix polymeric material are altered with the addition of nanometer size cobalt iron-oxide particles. The dielectric breakdown measurements performed at 77 K showed that these nanodielectrics are potentially useful as an electrical insulation material for cryogenic high voltage applications. Finally, structural and dielectric properties of nanocomposite dielectrics are discussed to present plausible reasons for the observed low effective dielectric permittivity values in the present and similar nanodielectric systems. It is concluded that polymeric nanoparticle composites would have low dielectric permittivity regardless of the permittivity of nanoparticles are when the particles are coordinated with a low dielectric permittivity surfactant.