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Investigation by Electrochemical Impedance Spectroscopy of Relaxation of Electrical Properties of Nanopowder System based on Zirconia after Baric Stress

A. Shylo, A. Doroshkevich, A. Saprukina, T. Konstantinova, E. Askerov, A. Islamov, A. Madadzada, V. Bodnarchuk, T. Zelenyak, D. Lazar, V. Almasan, A. Lyubchyk.



By the method of electrochemical impedance spectroscopy the behavior of a dispersed system based on zirconia nanoparticles after exposure by high hydrostatic pressure was studied. It is established that high pressure initiates a long-term nonmonotonic process of structural relaxation, accompanied by a decrease in electrical conductivity. It is shown that the process consists of at least two stages differing in nature and rate of change in resistance.



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