INFLUENCE OF THE PREPARATION CONDITIONS AND DOPING ON THE PROPERTIES OF THE VANADIUM OXIDES FILMS

Berezina O.J, Zlomanov V.P, Kirienko D.A, Pergament A.L, Tatevosjan S.S, Jakovleva D.S

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The techniques of vanadium oxide films preparation, including VO2, in three different ways are described: the melt, alkoxide and acetylacetonate sol-gel methods. Films were studied by X-ray diffraction phase analysis, scanning electron microscopy, and four-probe measurements of the resistivity temperature dependences. A comparison of the composition, structure and properties of the films is made, and the effect of doping on their properties is described. It is shown that in the films obtained by the melt method, crystallites have significant variations in size, and doping with tungsten increases the heterogeneity of the surface. The films obtained by alkoxide and acetylacetonate sol-gel methods have a uniform structure, and doping with chromium reduces the grain size. However, the metal-insulator phase transition in VO2 most clearly shows itself (i.e. the resistance jump at the transition temperature is maximum) in the films obtained by the melt method. Parameters of the transition depend strongly on the annealing reduction time and dopant concentration.

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Березина О.Я, Зломанов В.П, Кириенко Д.А, Пергамент А.Л, Татевосян С.С, Яковлева Д.С ВЛИЯНИЕ СПОСОБА ИЗГОТОВЛЕНИЯ И ЛЕГИРОВАНИЯ НА СВОЙСТВА ПЛЁНОК ОКСИДОВ ВАНАДИЯ // Научное обозрение. Физико-математические науки . 2020. № 1. С. 21-22;
URL: https://physics-mathematics.ru/en/article/view?id=15 (дата обращения: 24.06.2026).