Zobrazeno 1 - 10
of 20
pro vyhledávání: '"A.D. Veselov"'
Autor:
K.G. Savina, R.E. Grigoryev, A.D. Veselov, S.S. Bogdanov, P.M. Ershov, S.A. Veresov, D.R. Zorin, V.S. Myasnichenko, N.Yu. Sdobnyakov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 15, Pp 543-553 (2023)
The processes of structure formation in Co-Au and Ti-V metal nanoparticles as well as factors affecting the crystallization process are considered. The objects of the study were Co-Au and Ti-V binary nanoparticles containing N = 400, 800, 1520 and 50
Externí odkaz:
https://doaj.org/article/1b66424c05654ab4b1b910dc34cfa961
Autor:
N.I. Nepsha, A.D. Veselov, K.G. Savina, S.S. Bogdanov, A.Yu.. Kolosov, V.S. Myasnichenko, N.Yu.. Sdobnyakov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 14, Pp 211-226 (2022)
In this work, bimetallic Cu-Ag nanoparticles of five stoichiometric compositions of various sizes were studied by molecular dynamics method using a many body EAM potential. Regularities of the structure formation are established, their characteristic
Externí odkaz:
https://doaj.org/article/402e33398554452aba4c661617683d2a
To the problem of investigating the processes of structure formation in four-component nanoparticles
Autor:
S.A. Veresov, K.G. Savina, A.D. Veselov, S.V. Serov, A.Yu. Kolosov, V.S. Myasnichenko, N.Yu. Sdobnyakov, D.N. Sokolov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 14, Pp 371-382 (2022)
Various types of configurations of the Au-Cu-Pd-Pt four-component nanosystem, including complex core-shell structures, have been studied. The Monte Carlo method was used as a simulation method, the interatomic interaction was described by the tight-b
Externí odkaz:
https://doaj.org/article/3bc4eff013dd48adb01e3ab804733511
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 14, Pp 499-511 (2022)
This work studied bimetallic nanoparticles Ni@Ag and Ag@Ni with the total number of atoms 4000 by the molecular dynamics method using the tight-binding potential. The pattern of segregation and structural formation is established and its characterist
Externí odkaz:
https://doaj.org/article/a31ff68855ac447faa2690326598569c
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 13, Pp 568-579 (2021)
In this work, of the structure formation was investigated using Au-Ag, Ti-Al, Ti-V bimetallic nanoparticles as the patterns. These bimetallic nanoparticles have different atomic size mismatches and different crystallization temperatures. A series of
Externí odkaz:
https://doaj.org/article/2476cbcf41ca48168b3ed69ad1d02388
Autor:
N.Yu. Sdobnyakov, S.S. Bogdanov, A.D. Veselov, K.G. Savina, N.I. Nepsha, A.Yu. Kolosov, V.S. Myasnichenko
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 13, Pp 612-623 (2021)
This work studied bimetallic Au-Co nanoparticles of three stoichiometric compositions of various sizes by the molecular dynamics method using the tight-binding potential. The regularities of structure formation are established, their characteristic f
Externí odkaz:
https://doaj.org/article/d2904eb3cc25412ea719f673e44e0bf5
Autor:
N.Yu. Sdobnyakov, V.S. Myasnichenko, K.G. Savina, A.Yu. Kolosov, A.D. Veselov, A.N. Bazulev, R.E. Grigoryev, D.N. Sokolov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 12, Pp 504-515 (2020)
Exemplifying on two bimetallic nanoparticles Cu — Pt and Au — Ag, the internal structure and external surface has been investigated in the process of dealloying. Equiatomic compositions with the total number of atoms Ntot = 3000 are considered. I
Externí odkaz:
https://doaj.org/article/90911e0c88d44bc0bcb5304b1265cfdf
Autor:
N.Yu. Sdobnyakov, V.M. Samsonov, A.Yu. Kolosov, S.A. Vasilyev, V.S. Myasnichenko, D.N. Sokolov, K.G. Savina, A.D. Veselov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 11, Pp 520-534 (2019)
In this work, we performed atomistic modeling of the behavior of Co (core) – Au (shell) and Au (core) – Co (shell) during thermal exposure in order to study the stability/instability problem for the above nanostructures using the tight binding po
Externí odkaz:
https://doaj.org/article/04ebec83f7344fee90459d396cef4ca1
Autor:
N.Yu. Sdobnyakov, A.D. Veselov, P.M. Ershov, D.N. Sokolov, V.M. Samsonov, S.A. Vasilyev, V.S. Myasnichenko
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 8, Pp 345-353 (2016)
Using molecular dynamics (MD) and Monte Carlo (MC) simulation results on melting and crystallization of copper nanoparticles (temperatures and heats of phase transitions), size dependences of the melting and crystallization entropies were obtained an
Externí odkaz:
https://doaj.org/article/138452aadb8b464280af215b4d670729
Autor:
Vladimir Myasnichenko, A.D. Veselov, S. A. Vasilyev, S. S. Bogdanov, K. G. Savina, A.Yu. Kolosov, D. N. Sokolov, I. V. Talyzin, N. Yu. Sdobnyakov, A. Yu. Kartoshkin, V. M. Samsonov
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 85:950-954
According to an earlier hypothesis on the relationship between the spontaneous surface segregation of a component of binary nanoparticles A–B and the stability/instability of nanostructures of the core-shell type (A@B and B@A, where the first compo