BDBoris Mikhailovich Darinskii

Boris Mikhailovich Darinskii

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Previous Organizations / Institutes

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Boris Mikhailovich Darinskii has a total of 102 co-authors. Here are the top co-authors by number of shared publications:


Latest Publications

  • Special Grain Boundaries in Multicomponent Crystals with a Cubic Structure

    by B. M. Darinskiy, A. S. Prizhimov, A. A. Surkova

    Special grain boundaries in centrosymmetric cubic crystals have been classified on the basis of the symmetrical properties of flat lattices, which are the crystallographic planes of the crystals. Possible types of flat cells of the crystal planes have been indicated based on the half-integer Wyckoff positions for the primitive cubic, fcc, and bcc lattices. The regularities of the variations in the atomic structure and elemental composition of grain boundaries under alternation of atomic planes in crystals with cells of complex elemental composition have been established .

  • Open Access

    Crystallographic classification of special grain boundaries

    by Boris M. Darinsky, Natalia D. Efanova, Andrey S. Prizhimov, Anastasiya A. Surkova

    Object of research: Special grain boundaries in centrosymmetric crystals.The aim of this work is to classify special grain boundaries in centrosymmetric crystals of all syngonies based on the symmetric properties of plane lattices that are the crystallographic planes of these crystals.Conclusions: It is shown that the set of geometric parameters identifying special boundaries consists of elements of the symmetry of the plane formed by coinciding atoms that preserve the atomic structure of this plane. Possible misorientations of contacting crystals are found depending on the symmetry of the crystallographic plane for different crystallographic syngonies


  • Crystallographic Classification of Special Intercrystallite Boundaries

    by B. M. Darinskiy, A. S. Prizhimov

    A classification of special intercrystalline boundaries in centrosymmetric crystals of all crystallographic systems is constructed based on the symmetric properties of planar lattices. It is shown that the set of orientation parameters identifying special boundaries is determined by the orientation of the plane formed by the matching atoms of the contacting crystals. Unlike for the general type of boundaries, the number of these parameters is either two or three. It is shown that the lattice of matching bicrystal nodes appears only in crystals with high-order axes of symmetry. Possible misorientations of the contacting crystals are found, depending on the symmetry of the crystallographic plane for different crystallographic conditions.

  • On Orbits of 4-Dimensional Representations of 3-Dimensional Solvable Lie Algebras

    by A. V. Loboda, R. S. Akopyan, B. M. Darinskii

    In a 4-dimensional real space, we discuss linearly homogeneous hypersurfaces that are the orbits of 3-dimensional solvable Lie algebras. A complete list of inequivalent representations of a decomposable 3-dimensional algebra in \(\mathbb{R}^{4}\) space is given and a list of all (up to linear transformations) 3-dimensional orbits of such representations. Most of the resulting hypersurfaces have trivial affine stabilizers and are new in the problem of describing affinely homogeneous varieties.

  • On Harmonic Polynomials Invariant under Unitary Transformations

    by A. V. Loboda, B. M. Darinskii, D. V. Kozoriz

    Unitary transformations and canonical representatives of a family of real-valued harmonic fourth-degree polynomials in three complex variables are studied. The subject relates to the study of Moser normal equations for real hypersurfaces of four-dimensional complex spaces and isotropy groups (holomorphic stabilizers) of such surfaces. The dimension of the stabilizer for a particular strictly pseudo-convex hypersurface is estimated from above by the dimension of a unitary subgroup preserving the fourth-degree polynomial from its normal equation.


  • On Some Topological Characteristics of Harmonic Polynomials

    by B. M. Darinskii, A. V. Loboda, D. S. Saiko

    In this paper, we study geometric and topological properties of harmonic homogeneous polynomials. Based on the study of zero-level lines of such polynomial

  • Special grain boundaries in perovskite crystals

    by B. M. Darinskiy, N. D. Efanova, D. S. Saiko

    In this work, we use a previously improved technique for constructing a coincident site lattice for crystals with a perovskite structure. A method has been developed for finding atomic arrangements of various elements in grain boundaries based on a specially developed algebra. Possible compositions of chemical elements for different grain boundaries, charge states of mating planes at the grain boundary, depending on its orientation, are pointed out.


  • Open Access

    Thioglycolic Acid FTIR Spectra on Ag2S Quantum Dots Interfaces

    by Tamara Kondratenko, Oleg Ovchinnikov, Irina Grevtseva, Mikhail Smirnov, Oksana Erina, Vladimir Khokhlov, Boris Darinsky, Elena Tatianina

    The mechanism features of colloidal quantum dots (QDs) passivation with thioglycolic acid molecules (TGA) for cases of different luminescent properties is considered using FTIR. This problem is considered based on FTIR spectra analysis for various ionic forms of TGA. Experimental TGA molecules FTIR spectra is interpreted, basing on the data on modeling of TGA vibrational modes, realized in the framework of density functional method (DFT /B3LYP/6-31+G(d)) taking into account the vibrations anharmonicity of every functional group. This approach provides a significant improvement in the agreement between the experimental and calculated data. FTIR spectra of Ag 2 S/TGA QDs with exciton and recombination luminescence are differ from each other and B “freeB” TGA molecules. The ν ( S − H ) TGA peak (2559 cm − 1 ) disappears in FTIR spectra of Ag 2 S/TGA QD samples. This fact indicates the interactions between TGA thiol group and dangling bonds of Ag 2 S nanocrystals. Ag 2 S QDs passivation with TGA molecules leads to emergence ν a s (COO − ) (1584 cm − 1 ) and ν s (COO − ) (1387 cm − 1 ) peaks. It indicates TGA adsorption in ionic form. For Ag 2 S/TGA QDs with exciton luminescence we observed (a) significant low-frequency shift of ν s (COO − ) peak from 1388 cm − 1 to 1359 cm − 1 and high-frequency shift of ν a s (COO − ) peak from 1567 cm − 1 to 1581 cm − 1 ; (b) change in the ratio of intensities of ν a s (COO − ) and ν s (COO − ) vibrations. This feature is caused by the change in the symmetry of TGA molecules due to passivation of Ag 2 S quantum dots.For Ag 2 S/TGA QDs with recombination luminescence, the insignificant high-frequency shift of 7–10 cm − 1 for ν a s (COO − ) at 1567 cm − 1 and low-frequency shift of 3–5 cm − 1 for ν s (COO − ) at 1388 cm − 1 , probably caused by the interaction of thiol with Ag 2 S surface is observed. Using FTIR spectra, it was found that IR luminescence photodegradation is also accompanied by changes in the thioglycolic acid molecules, which capped Ag 2 S QDs. In the case of Ag 2 S QDs with exciton luminescence, the degradation process is non-reversible. It is accompanied by TGA photodegradation with the formation of α -thiol-substituted acyl radical (S-CH 2 -CO • ) TGA.


  • Open Access

    СИСТЕМАТИКА РЕШЕТОК СОВПАДАЮЩИХ УЗЛОВ ДЛЯ ОЦК И ГЦК КРИСТАЛЛОВ

    by Boris M. Darinskiy, Natalia D. Efanova, Andrey S. Prizhimov

    В настоящей работе предложена новая методика построения решетки совпадающих узлов для ОЦК и ГЦК кристаллов. Получены условия образования орторомбической, тетрагональной и кубической решетки совпадений и указаны конкретные решетки этих сингоний. Показаны возможные поликристаллические структуры, имеющие общую решетку совпадающих узлов.