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Composite materials based on aluminium phosphate matrix with different grain sizes and small inclusions of carbon nanotubes were studied by means of broadband dielectric spectroscopy in a wide frequency (20Hz to 36GHz) and temperature (25–600K) ranges. The highest electrical percolation threshold was observed for ceramics with the grain size of 0.8µm, which is higher than the carbon nanotubes cluster...
In this work, polycrystalline Ba0.90Li0.1Ni0.05TiO3 ceramics were prepared by conventional solid state reaction technique after microwave calcination of starting materials. The effect of sintering on structural, dielectric and activation energy of Ba0.90Li0.1Ni0.05TiO3 ceramics was investigated. Phase structure was confirmed by XRD and Rietveld refinement of the XRD patterns was carried out to estimate...
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