Výsledky vyhledávání - "I. V. Yakimchuk"

Quality diagnostics of concave spherical surfaces by a grazing X-ray beam

Autor: Alexey Buzmakov, V. E. Asadchikov, Anatolii V Andreev, I. V. Yakimchuk

Publikováno v: Technical Physics. 59:143-147

An approach to quality diagnostics of concave spherical surfaces by a grazing X-ray beam is considered. Errors of the approach in locating defects and finding their sizes are estimated. The algebraic method of experimental data reconstruction is cons

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49275f790018f59fefa96107c31df73f
https://doi.org/10.1134/s1063784214010216

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Segmentation of 3D FIB-SEM data with pore-back effect

Autor: I. A. Reimers, I. V. Yakimchuk, I. V. Safonov

Publikováno v: Journal of Physics: Conference Series. 1368:032015

Digital rock physics is used for the investigation of oil and gas reservoirs. It involves various mathematical simulations on a digital representation of a rock sample, which is usually obtained with imaging techniques. Focused ion beam scanning elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d7af66e4023b3b2889a7ba5dba24e77
https://doi.org/10.1088/1742-6596/1368/3/032015

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Ellipsoidal concentrators for laboratory X-ray sources: Analytical approach for optimization

Autor: I. V. Yakimchuk, V. Yu. Politov, Igor V. Kozhevnikov, V. E. Asadchikov

Publikováno v: Crystallography Reports. 58:355-364

Extremely low intensity of most existing laboratory X-ray sources (λ ∼ 0.01–10 nm) calls for the development of collimating and concentrating optics, which allow to increase significantly the radiation power on the sample surface. The problem of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0638a0c2acb4876649123aca91a4f787
https://doi.org/10.1134/s1063774513020296

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X-ray tomographic image of a deposit on a spherical surface

Autor: Anatolii V Andreev, Alexey Buzmakov, I. V. Yakimchuk, V. E. Asadchikov

Publikováno v: JETP Letters. 94:680-683

A method has been developed to obtain two-dimensional X-ray tomographic images of deposit objects located on bent mirror surfaces. A procedure that makes it possible to obtain two-dimensional X-ray image of an object (fingerprint) located on the surf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b45c7e66d6f42f740beb5aa99ffb997
https://doi.org/10.1134/s0021364011210132

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Characterization of single-crystal sapphire substrates by X-ray methods and atomic force microscopy

Autor: A. L. Tolstikhina, I. V. Yakimchuk, E. O. Tikhonov, V. E. Asadchikov, A. V. Butashin, M. L. Zanaveskin, V. M. Kanevskii, B. G. Zakharov, I. A. Prokhorov, A. E. Muslimov, Yu. V. Grishchenko, Yu. O. Volkov, Boris S. Roshchin

Publikováno v: Crystallography Reports. 56:456-462

The possibility of characterizing a number of practically important parameters of sapphire substrates by X-ray methods is substantiated. These parameters include wafer bending, traces of an incompletely removed damaged layer that formed as a result o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdc364d37ad4ec11f8590b7a5eea288a
https://doi.org/10.1134/s1063774511030242

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