Relaxation Behavior of YSZ-Based Nanopowders Following Electric Field Exposure

This article is dedicated to the study of electrophysical processes at the interface phase of a hydrated nanostructured YSZ-based system in an electric field. The work is of interest to microsystems technology and sub-voltage electronics. The limits of the electrical properties of a new type of microscopic ultra-high capacitance density capacitor are considered. Electrokinetic processes in dispersed ZrO۲-based nanopowder systems under external electric and magnetic fields were studied. The size effect of ZrO۲ nanoparticles (۷-۱۰۰ nm) on the system’s accumulation of electric charge density of up to ۱۰۰ μF/g after exposure to an electric field (۱۰۰ ÷ ۱۰,۰۰۰ V / m) at ۳۰۰ K was established. The relaxation of the electrical properties after exposure to an electric field of about ۱۰۰,۰۰۰ V/m has been studied using impedance spectroscopy. The time dependence of the electrical conductivity of the nanoparticle surface layer and the ion layer in the space between nanoparticles was investigated.

کلیدواژه ها:

nanopowders ، Yttria-stabilized zirconia ، Impedance spectra ، Supercapacitors ، electric field ، Microsystems technology ، Subvoltage electronics