Abstract
Properties of dielectric and magnetic porous matrices and ferroelectrics porous glasses based nanocomposites were studied. Two types of modified and unmodified by iron oxides initial sodium borosilicate glasses and obtained from them porous matrices were investigated. The continuous pore structure was observed in porous glasses and additional in iron containing porous glasses inclusions of iron phase were stated. Depending on technological processes the pore diameters were estimated to be between 4 and 60 nm. The effect of structure and composition of investigated materials on electrical properties was discussed. Dynamic Impedance Spectroscopy measurements have revealed reversible. The dc conductivity and relaxation processes related to different types of transport of sodium and iron ions were discussed. The existence of ferroic KNO3 inside pores determines properties of nanocomposite based on porous matrices. The obtained porous dielectric and magnetic matrices can be applied as ferroics and multiferroeics elements.
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