INFLUENCE OF FILLER PARTICLE SIZE ON THE CONDUCTIVITY AND PERMITTIVITY OF METAL-POLYMER COMPOSITES
F.Т. BoymuratovNational University of UzbekistanU. AbdurakhmanovNational University of UzbekistanSh. M. SharipovNational University of UzbekistanG.I. MukhamedovNational University of UzbekistanG. Yu. YurkovRussian Academy of Sciences
ABI
Аннотация
The behaviour of conductivity σ and permittivity ε of metal-polymer composites comprising Ni particles dispersed in the phenilon are studied. It is found that the percolation-like behaviour of σ and ε, which is observed when the Ni particles have the sizes of 1−3 μm (micro-dispersed particles), gave way to another behaviour characterized by an additional contribution to σ and ε below the percolation threshold when the Ni particles have the sizes of ≤30 nm (nanoparticles). This peculiarity of the behaviour of σ and ε of the composites can be explained in the frame of the network hierarchy model of composites, which was proposed recently by Balberg et al.
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