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Heat-resistant unfired phosphate ceramics with carbon nanotubes for electromagnetic application

TitoloHeat-resistant unfired phosphate ceramics with carbon nanotubes for electromagnetic application
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2014
AutoriPlyushch, A., Bychanok D., Kuzhir P., Maksimenko S., Lapko K., Sokol A., Macutkevic J., Banys J., Micciulla F., Cataldo Antonino, and Bellucci S.
RivistaPhysica Status Solidi (A) Applications and Materials Science
Volume211
Paginazione2580-2585
Parole chiavecarbon, Carbon nanotubes, Ceramic materials, Dielectric permittivities, Dielectric properties, Electrical percolation, Electromagnetic applications, Low concentrations, Percolation thresholds, Permittivity, Phosphates, Room temperature, Solvents, unfired ceramics, Wide frequency range, Yarn
Abstract

Composite materials, containing low concentrations of carbon nanotubes (CNTs) of three different diameters and heat-resistant phosphate ceramic as a matrix were prepared by cold-pressing method. Their dielectric properties were studied at room temperature in a wide frequency range (20 Hz-1 MHz). It was found experimentally and proved theoretically via modeling of the composites as a random capacitor-resistor-diode network that electrical percolation concentration depends significantly on the diameter of the nanoinclusions. The main conclusion is that the best candidate providing both the lower percolation threshold and high absolute values of ac conductivity is thinner carbon nanotubes (in our particular case, 8-15 nm). © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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cited By 10

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84927804645&doi=10.1002%2fpssa.201431306&partnerID=40&md5=8faec3c5010817213b01a2fe58d4d764
DOI10.1002/pssa.201431306
Citation KeyPlyushch20142580