Structure and electrical properties of (Mg/ZrO 2 ) 52  multilayer nanostructures

O. V. Stognei; Стогней О. В.; A. N. Smirnov; Смирнов А. Н.; A. V. Sitnikov; Ситников А. В.; M. N. Volochaev; Волочаев М. Н.

doi:10.31857/S036767652370237X

Structure and electrical properties of (Mg/ZrO₂)₅₂ multilayer nanostructures

Authors: Stognei O.V.¹, Smirnov A.N.¹, Sitnikov A.V.¹, Volochaev M.N.²
Affiliations:
1. Voronezh State Technical University
2. Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences
Issue: Vol 87, No 9 (2023)
Pages: 1348-1354
Section: Articles
URL: https://journal-vniispk.ru/0367-6765/article/view/135496
DOI: https://doi.org/10.31857/S036767652370237X
EDN: https://elibrary.ru/GKJBXR
ID: 135496

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Abstract

Multilayer (Mg/ZrO₂)₅₂ nanostructures differing from each other in the thickness of the Mg layers and the same thickness of the ZrO₂ layers were obtained by ion-beam sputtering of two targets in an argon. The thickness of one bilayer (Mg + ZrO₂) varies from 3.6 to 8.5 nm. It was found that the use of zirconium dioxide prevented the oxidation of the magnesium phase. The presence of an electric percolation threshold was found when the morphology of magnesium layers changes (transition from discrete to continuous) as a result of an increase in the bilayer thickness. A change of the electrotransport mechanism in the (Mg/ZrO₂)₅₂ multilayer nanostructures upon passing through the percolation threshold has been established.

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