Transformation of metal-oxide nanostructures in the process of afteroxidation of iron reactively evaporated in oxygen atmosphereстатья

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Дата последнего поиска статьи во внешних источниках: 3 декабря 2017 г.

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[1] Transformation of metal-oxide nanostructures in the process of afteroxidation of iron reactively evaporated in oxygen atmosphere / V. A. Kotenev, D. N. Tyurin, A. Y. Tsivadze et al. // Protection of Metals and Physical Chemistry of Surfaces. — 2009. — Vol. 45, no. 6. — P. 704–708. The methods of atomic force microscopy combined with the digital processing of images were used to study the change in the morphology of nanostructured metal-oxide coatings obtained by reactive evaporation at 10(-6) torr in the atmosphere of oxygen and further low-temperature iron afteroxidation in an air atmosphere at different temperatures. It is shown that a nanostructured layer with a unimodal distribution according to the size and degree of nonsphericity of the particle is formed in the case of sputtering. Using the sample detection methods, it is shown that a unimodal distribution is transformed into a bimodal distribution at an increase in the reoxidation temperature from 50 to 200A degrees C, after which it becomes a trimodal distribution, which proves that the building blocks of a nanostructured layer are nanoparticles and four- and 16-particle surface nanoparticle conglomerates. This structure can explain the functional properties of these coatings, which are of practical importance. [ DOI ]

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