Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Yuriy Klymenko"'
1
Еuropean mistletoe (víscum álbum L.) in national botanical garden M.M. Grushko NAS of Ukraine: an overview of its distribution and hosts
Autor: Evgen Yelpitiforov, Yuriy Klymenko
Publikováno v: ScienceRise: Biological Science, Vol 0, Iss 3(24), Pp 24-28 (2020)
The aim.To give a brief literature review of the biological features of Viscum album L., transpiration of these plants, features of the systematic situation, distribution in the world. There was determined the distribution and general trends of the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9ab814e7264310b62bfd0265f1bca4e
http://journals.uran.ua/sr_bio/article/view/213202
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3
Electron transmission through step- and barrier-like potentials in graphene ribbons
Autor: Alexander Onipko, Yuriy Klymenko, Lyuba Malysheva
Publikováno v: physica status solidi (b). 245:2181-2184
The list of textbook tunneling formulas is extended by deriving exact expressions for the transmission coefficient in graphene ; ribbons with armchair edges and the step-like and barrier-like I profiles of site energies along the ribbon. These expres
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5401cb4ba1dd3ce5710818bf845285c
https://doi.org/10.1002/pssb.200879637
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4
Ab initio calculations of equilibrium geometries and vibrational excitations of helical ethylene-glycol oligomers: application to modeling of monolayer infrared spectra
Autor: Alexander Onipko, Ramūnas Valiokas, Bo Liedberg, Lyuba Malysheva, Yuriy Klymenko
Publikováno v: Chemical Physics Letters. 370:451-459
The density functional theory methods are used to calculate the equilibrium molecular structures and vibrational spectra of helical H(CH2CH2O)nH (OEG) oligomers (n = 4-7) at a level of precision th ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e643fbfc6530874890c215484a51ea86
https://doi.org/10.1016/s0009-2614(03)00116-7
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5
Tunneling across molecular wires: an analytical exactly solvable model
Autor: Lyuba Malysheva, Sven Stafström, Yuriy Klymenko, Alexander Onipko
Publikováno v: Solid State Communications. 108:555-559
On the basis of the Landauer approach and Green function technique we have developed an exactly solvable analytical model that gives a quick and reliable estimate of (ohmic) tunnel conductance in metal–molecular heterojunctions. The model covers co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8911168850526acdd11b83b8a0a2f4c0
https://doi.org/10.1016/s0038-1098(98)00411-6
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6
Nonadiabatic Electron Transfer: Exact Analytical Expression of through-Conjugated-Bridge Effective Coupling and Its Asymptotics and Zeros
Autor: Yuriy Klymenko, and Alexander Onipko
Publikováno v: The Journal of Physical Chemistry A. 102:4246-4255
For the conjugated oligomers of the type (M)N described by a tight-binding Hamiltonian with the nearest-neighbor interaction between monomers M of otherwise arbitrary electronic structure, the bridge-mediated donor−acceptor effective coupling is pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2947af0d994aa4d816bec0a6a0b30e63
https://doi.org/10.1021/jp9731359
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7
Non-resonant electron transfer efficiency of conjugated oligomers
Autor: Lyuba Malysheva, Alexander Onipko, Yuriy Klymenko
Publikováno v: Journal of Luminescence. :658-661
We derive an exact closed expression of the Green function matrix element, which is valid for any linear conjugated molecule of the kind M-M-…-M, where M is an arbitrary monomer, and determines measurable characteristics of non-resonant electron tr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7019b74fb429ddac74205c962d626bcc
https://doi.org/10.1016/s0022-2313(97)00264-0
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8
Effect of length and geometry on the highest occupied molecular orbital-lowest unoccupied molecular orbital gap of conjugated oligomers: An analytical Hückel model approach
Autor: Alexander Onipko, Yuriy Klymenko, Lyuba Malysheva
Publikováno v: The Journal of Chemical Physics. 107:7331-7344
It is shown that the asymptotic behavior of the highest occupied molecular orbital-lowest unoccupied molecular orbital (HOMO-LUMO) gap of conjugated oligomers of types M−(M)N−2−M and M−(M)N−2−M1 with M = M1−M2, where M, M1, and M2 are a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2281c443bd7dfd9400d6c9540264c0a6
https://doi.org/10.1063/1.474972
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9
Analytical one-particle approach to the π electronic structure of heterocyclic polymers
Autor: Lyuba Malysheva, Alexander Onipko, Yuriy Klymenko
Publikováno v: The Journal of Chemical Physics. 107:5032-5050
The one-electron description of heterocyclic five-membered ring polymers is derived on the basis of the Su–Schrieffer–Heeger–Huckel type Hamiltonian which accounts for the electronic interaction of the heteroatom p-orbital lone pair with the π
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67af4107947c551b37cea9d24bca44a4
https://doi.org/10.1063/1.474867
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