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.
11Voronezh 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
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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