The influence of the electric field on the electrical transport properties of (Co40Fe40B20)x(SiO2)100-x nanocomposites
Sitnikov A. V. 1,2, Kalinin Yu. E. 1, Babkina I. V. 1, Nikonov A. E. 1, Pogrebnoy D.S.1, Shakurov A. R. 1
1Voronezh State Technical University, Voronezh, Russia
2National Research Center “Kurchatov Institute”, Moscow, Russia
Email: sitnikov04@mail.ru, kalinin48@mail.ru, ivbabkina@mail.ru, nikonov.sasha1994@gmail.com, aleks.shakurov@mail.ru

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The paper reveals the results of studies of the effect of electric current on the conductivity of the (Co40Fe40B20)x(SiO_2)100-x nanocomposite in the composition of a metal/nanocomposite/metal capacitor-type structure. It is shown that at a high measurement current, when the reduced power exceeds 0.1 W/mm2, the film is heated. At a power greater than 2 W/mm2, the temperature of the sample reaches values that lead to irreversible changes in the structure of the composite. A decrease in the density of localized states in the intergranular dielectric space during thermal exposure is the determining factor in reducing the conductivity of the nanocomposite. Keywords: Resistive switching, memristors, nanocomposite, electric properties.
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