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Information × Registration Number 0210U001540, 0107U006993 , R & D reports Title New generation of sertification of materials and nanotechnologies products popup.stage_title Head Molodkin Vadim Borisovich, Registration Date 24-02-2010 Organization Institute for metal physics NAS Ukkraine popup.description2 The detailed systematic analysis of the open phenomenon is leaded. This phenomenon of unique informative power of the dynamical scattering pattern in crystals with defects has been described, its physical nature and possibilities of practical application have been determined. The phenomenon nature lies in the fact that for each reflex of the scattering pattern while transition from kinematical case to dynamical one takes place, dependences on conditions of dynamical diffraction are radically different from each other for Bragg and diffuse components, which always remain the same in the kinematical theory. This essential difference is caused by the substantially different magnitudes of the fundamental values of the scattering factors and characteristics of the multiple scattering effects for Bragg and diffuse components. The analytical establishing of mentioned dependences nature has provided the unique possibility of the operated change of diffuse component contribution at the fixed defect structure characteristics just due to the purposeful variation of the dynamical diffraction conditions, and, consequently, the possibility to control the nature of the defects influence on the scattering pattern. Only the dynamical diffraction gives the possibility of realization and combined (joint) processing of the full set of the independent diffraction experiments due to changing of diffraction conditions for the same sample with the fixed defect structure with the aim of solving of the inverse problem of the multi parametric diagnostics of nanotechnology materials and products with several types of defects. Therefore the new generation of crystallography, i.e. the diffuse dynamical combined diffractometry of complex defect structures in crystals, has been developed. Product Description popup.authors Владімірова Тетяна Петрівна Дмітрієв Сергій Васильович Кисловський Євген Миколайович Лизунова Світлана Вячеславівна Молодкін Вадим Борисович Молодкіна Тетяна Григорівна Низкова Ганна Іванівна Оліховський Степан Йосипович Скакунова Олена Сергіївна popup.nrat_date 2020-04-02 Close