Thin-film fractal nanostructures formed by electrical breakdown

Tadtaev, P O; Bobkov, A. A.; Borodzyulya, V. F.; Lamkin, I. A.; Mihailov, Ivan; Мошников, В. А.; Permyakov, N. V.; Соломонов, А. В.; Sudar, N. T.; Тарасов, С. А.

doi:10.1088/1742-6596/929/1/012048

Cited by 3 publications

(1 citation statement)

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“…Atomic force microscopy AFM [40][41][42][43][44][45] and scanning electron microscopy SEM [42][43][44]46] are widely used to study surface topography and fractal analysis [45,46]. Researchers evaluated the hierarchical surface topography by means of determining the fractal dimension and power spectral density (PSD) of surface topography recorded by atomic force microscopy (AFM) [45].…”

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confidence: 99%

Surface morphology analysis of oxide layers formed on 10CrMo9-10 steel used in the power industry

Gwoździk

Bramowicz

Kulesza

2020

Mater. Res. Express

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The knowledge about high-temperature corrosion of steels operating at elevated temperatures is important due to the durability of power equipment. The paper demonstrated the fractal analysis of oxide layers formed on 10CrMo9-10 steel under the operating temperature of 545°C for 200 000 h employed in the power industry. The studies were carried out on elements taken from the inner and outer surface of the tube wall on the outlet both on the fire and counter-fire side of the tube wall surface. Thorough examinations of the oxide layer comprised microscopic examinations using scanning electron microscopy and atomic force microscopy. The fractal geometry of oxidized surfaces was characterized by providing the fractal dimension D. Using the methods of numerical analysis of the surface, the texture anisotropy ratio S tr was also determined. The corner frequency τ and grain size d g were also determined. The obtained results of performed fractal analysis showed that the studied surface on the tube wall outside was more developed as compared with the inside. In addition it was shown that directly on the flue gas inflow side (the fire side) the oxides/deposits layer was built of densely arranged spherical deposits, which formed an unfavourable barrier between the component (tube) and the atmosphere surrounding it. metal OPEN ACCESS RECEIVED

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Section: Introductionmentioning

confidence: 99%

Surface morphology analysis of oxide layers formed on 10CrMo9-10 steel used in the power industry

Gwoździk

Bramowicz

Kulesza

2020

Mater. Res. Express

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Investigation of the Conductive Properties of ZnO Thin Films Using Liquid Probes and Creation of a Setup Using Liquid Probes EGaIn for Studing the Conductive Properties of Thin Films

et al. 2023

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The use of liquid probes based on indium–gallium eutectic (EGaIn) with the possibility of positioning is an important problem for the study of thin films. This work is centered on the creation of a setup for measuring the current–voltage characteristics with the use of a liquid eutectic electrode. A technique for obtaining a cone-shaped liquid EGaIn electrode, a 3D assembly model and an algorithm for the operation of a probe setup for obtaining the current–voltage characteristics using liquid contacts are presented.

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ИССЛЕДОВАНИЕ ЯВЛЕНИЙ, ВОЗНИКАЮЩИХ ПРИ ФОРМИРОВАНИИ ФРАКТАЛЬНЫХ МИКРОСТРУКТУР В СЛОЯХ ПОЛИКАРБОНАТА, ПОЛИМЕТИЛМЕТАКРИЛАТА, ОКСИДА Индия-Олова, ОКСИДА ЦИНКА, "Физика И Химия Стекла"

Бобков¹,

Бородзюля²,

Ламкин³

et al. 2018

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В работе изучены эффекты, происходящие при формировании фрактальных микроструктур в проводящих слоях оксидных композиций. Показано, что при протекании токов высокой плотности в слоях оксидов индия-олова, расположенных на стеклянной подложке, возникает динамическая система, сопровождающаяся формированием на поверхности слоя токового канала, задающего траекторию развития фрактальных микроструктур. Сформированы фрактальные микроструктуры различной формы: спиральной, секторальной, лучевой. Показано, что нанесение поверх слоев оксидных композиций дополнительных пленок полимеров визуализирует процессы пробоя, протекающие в структуре. Возникающая при этом увеличенная полимерная фотография дает возможность проводить оценку качества контактных слоев без использования оптической аппаратуры высокого разрешения. Наиболее важным эффектом, сопровождающим образование фрактальных структур, является возникновение люминесценции, связанной с релаксацией возбужденных атомов. Этот аналитический сигнал перспективен для анализа процессов формирования фрактальных структур.

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Thin-film fractal nanostructures formed by electrical breakdown

Cited by 3 publications

References 3 publications

Surface morphology analysis of oxide layers formed on 10CrMo9-10 steel used in the power industry

Surface morphology analysis of oxide layers formed on 10CrMo9-10 steel used in the power industry

Investigation of the Conductive Properties of ZnO Thin Films Using Liquid Probes and Creation of a Setup Using Liquid Probes EGaIn for Studing the Conductive Properties of Thin Films

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