Zobrazeno 1 - 10 of 41 pro vyhledávání: '"M. G. Kostenko"'
1
Evaluation of productivity and biochemical composition of fruits of promising apple varieties, grown in the arid zone
Autor: T. V. Menshutina, M. G. Kostenko, E. V. Popova
Publikováno v: Agrarian science. 1:183-187
Relevance. The list of imported varieties and rootstocks is often determined by the marketing policy of the producing countries ; they had not been tested for specific conditions. For the first time in the arid conditions of the Astrakhan region a co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b9a2ef302258f0cf013106a97531ef7
https://doi.org/10.32634/0869-8155-2022-361-7-8-183-187
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2
Modulated and Incommensurate Superstructures of Atomic–Vacancy Ordering in Refractory Transition Metal Carbides
Autor: M. G. Kostenko, S. V. Sharf
Publikováno v: Journal of Experimental and Theoretical Physics. 131:945-950
The formation of partially disordered modifications in refractory nonstoichiometric carbides prone to M6X5-type ordering is considered. In M6X5 superstructures the ray $${\mathbf{k}}_{9}^{{(3)}}$$ of the Lifshitz star {k9} with a current parameter μ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88f73b9310679da6eec6f971291a216a
https://doi.org/10.1134/s1063776120110047
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3
M5C4 Phases—New Family of Carbide Superstructures
Autor: M. G. Kostenko, A. I. Gusev, S. I. Sadovnikov
Publikováno v: Journal of Experimental and Theoretical Physics. 131:572-581
Monoclinic, orthorhombic, and tetragonal models are proposed for the M5C4 superstructures of nonstoichiometric cubic transition metal MCy carbides on the basis of symmetry analysis, the concept of a disorder–order transition channel, and a distribu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::265452a800b57b424fd6d18b99968af2
https://doi.org/10.1134/s1063776120090058
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4
Disorder–order and order–order phase transformations in Ta5C4phases predicted using the evolutionary algorithm and symmetry analysis
Autor: A. I. Gusev, Alexey V. Lukoyanov, M. G. Kostenko
Publikováno v: Physical Chemistry Chemical Physics. 22:24116-24132
A search for stable ordered phases in the nonstoichiometric cubic tantalum carbide TaC0.8 has been performed by use of the evolutionary algorithm and symmetry analysis. Four stable Ta5C4 superstructures with tetragonal, monoclinic, orthorhombic, and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43fdaaf03a4297909b525443cc283e29
https://doi.org/10.1039/d0cp03842c
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6
Comparative study of the electronic structure and optical properties of the Heusler alloys Co2MGa and Co2MAl (M = Fe and Ni)
Autor: E. I. Shreder, A. A. Makhnev, K. G. Suresh, M. G. Kostenko, E. D. Chernov, V. G. Ivanov, A. V. Lukoyanov
Publikováno v: Modern Physics Letters B. 36
The electronic structure and optical properties of the Heusler alloys Co2NiGa, Co2NiAl, Co2FeGa, and Co2FeAl are reported and compared in this work. In the Fe-based alloys, Co2FeGa and Co2FeAl, the electronic structure is found to have 100% spin pola
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e1daf12257a0555ae123dc7d3387103
https://doi.org/10.1142/s0217984921505734
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7
Ordering Sequence in Strongly Nonstoichiometric Niobium Carbide with the Formation of Nb6C5-Type Superstructures
Autor: A. I. Gusev, Alexey V. Lukoyanov, M. G. Kostenko, Albina A. Valeeva
Publikováno v: Journal of Experimental and Theoretical Physics. 129:863-876
Possible Nb6C5-type superstructures of nonstoichiometric niobium carbide NbC0.83 are found by the evolutionary crystal structure prediction algorithm. A symmetry analysis is carried out of Nb6C5-type model superstructures, the formation of which is p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18d41b2b122a077d255a407d66979b5f
https://doi.org/10.1134/s1063776119110050
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8
New M(2 + δ1)X(2 + δ2) Superstructure of Ordered Nanocrystalline Titanium Monoxide and the Problem of Transition States
Autor: M. G. Kostenko, S. V. Sharf
Publikováno v: Journal of Experimental and Theoretical Physics. 128:607-615
The results of experiments on the vacancy ordering in nanocrystalline nonstoichiometric titanium monoxide TiOy (space group Fm $$\bar {3}$$ m), which is accompanied by the formation of the orthorhombic Ti9O10 phase (space group Immm), are considered.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1613f47b563cc33d19d4599d5fa4fd6b
https://doi.org/10.1134/s1063776119030087
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9
Disorder-order and order-order phase transformations in Ta
Autor: M G, Kostenko, A I, Gusev, A V, Lukoyanov
Publikováno v: Physical chemistry chemical physics : PCCP. 22(41)
A search for stable ordered phases in the nonstoichiometric cubic tantalum carbide TaC0.8 has been performed by use of the evolutionary algorithm and symmetry analysis. Four stable Ta5C4 superstructures with tetragonal, monoclinic, orthorhombic, and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::2ad5f95f8abc7483c0e11a80a159e818
https://pubmed.ncbi.nlm.nih.gov/33079121
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10
Stability of Defectless Structures of Titanium Monoxide at High Pressures
Autor: R.E. Ryltsev, M. G. Kostenko, Andrey A. Rempel, N. M. Chtchelkatchev
Publikováno v: JETP Letters. 108:476-480
Titanium monoxide with the basis crystal structure B1 is of interest because of an anomalously high concentration of vacancies and diverse effects of atom–vacancy ordering. It was previously believed that the application of relatively low pressures
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b31f257f57b80654d0fdced7f5bc1fa
https://doi.org/10.1134/s0021364018190116
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