Zobrazeno 1 - 10
of 19
pro vyhledávání: '"S. B. Astaf'ev"'
Autor:
L. G. Yanusova, S. B. Astaf’ev
Publikováno v:
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. 15:696-701
A method for determining the structural parameters of the Langmuir molecular layer in accordance with data on X-ray reflectometry and grazing incidence diffraction is proposed. These techniques complement each other, because scattering in the layer p
Autor:
S. B. Astaf’ev, L. G. Yanusova
Publikováno v:
Crystallography Reports. 66:1082-1084
Autor:
S. B. Astaf’ev, L. G. Yanusova
Publikováno v:
Crystallography Reports. 63:791-795
Specific features of the use of wavelet transform for estimating the thickness of layers and their order in a film density profile based on X-ray and synchrotron reflectometry data are considered. Some ways are proposed to reveal the characteristic f
Autor:
S. B. Astaf’ev, L. G. Yanusova
Publikováno v:
Crystallography Reports. 64:119-121
A method is proposed to estimate (using the autocorrelation function (ACF)) the thickness of layers determining the electron density profile of a thin film. The method does not require additional conditions and is applicable to an arbitrary reflectiv
Publikováno v:
Crystallography Reports. 62:318-323
The application of time–frequency wavelet analysis for solving the reflectometry inverse problem is considered. It is shown that a simultaneous transform of specular intensity curve, depending on the grazing angle and spatial frequency, allows one
Publikováno v:
Computational Mathematics and Modeling. 25:500-513
The article presents the main mathematical methods developed during the design of the BARD software package for multilayer thin film reflectometry. It is shown that the application of these methods broadens the possibilities of analyzing thin-film st
Publikováno v:
Crystallography Reports. 58:333-337
A method for constructing and analyzing sections of functional χ2 in solution of the inverse problem of reflectometry which makes it possible to observe the motion of local minima with a simultaneous change in several model parameters and facilitate
Publikováno v:
Crystallography Reports. 57:134-143
The main principles of developing the Basic Analysis of Reflectometry Data (BARD) software package, which is aimed at obtaining a unified (standardized) tool for analyzing the structure of thin multilayer films and nanostructures of different nature
Publikováno v:
Crystallography Reports. 55:127-135
The possibility of estimating the layered film structural parameters by constructing the autocorrelation function P F (z) (referred to as the Patterson differential function) for the derivative dρ/dz of electron density along the normal to the sampl
Publikováno v:
Crystallography Reports. 51:685-689
A schematic of a reflectometric experiment whose results make it possible to reconstruct the structure of multilayer films on substrates is proposed. A mathematical apparatus is developed that allows for determining the numerical values of the main p