Výsledky vyhledávání - "V.I. Styopkin"

Akademický článek

Using nanosphere lithography for fabrication of a multilayered system of ordered gold nanoparticles

Autor: V.I. Styopkin, V. Liakhovetskyi, V. Rudenko

Publikováno v: Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 20, Iss 2, Pp 240-245 (2017)

New modification of nanosphere lithography has been realized to obtain multilayered systems of ordered gold nanopartciles (NP). NP have been formed using vacuum deposition of 5…60-nm layer of gold on ionic etched multilayered regular coating consis

Externí odkaz: https://doaj.org/article/1dacadc06ca34ee588753905c9a35d17

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Faster nonlinear optical response in liquid crystal cells containing gold nano-island films

Autor: L. Tarakhan, Hanna Bordyuh, V.I. Styopkin, A. V. Gridyakina, L. V. Viduta, V. Nechytaylo, S. Bugaychuk

Publikováno v: Applied Nanoscience. 10:4965-4970

We are considering a new type of electro-optical liquid crystal (LC) cells, which includes a gold nano-island film deposited on the ITO electrode of one of the cell substrates. Using the method of dynamic holography with two-wave mixing of laser beam

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa838b89c3fe942cf5521d4d9fb7200c
https://doi.org/10.1007/s13204-020-01384-0

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High refractive nonlinearity of PdO films under femtosecond 800 nm laser pulses

Autor: V. Liakhovetskyi, M. S. Brodyn, A. M. Brodin, V.I. Styopkin, V. Rudenko

Publikováno v: Journal of Applied Physics. 128:013108

Nonlinear optical properties of thin polycrystalline PdO films are investigated using the Z-scan technique and a 800 nm 180 fs laser, whose wavelength is significantly longer than the absorption edge at 500 nm. Cubic nonlinear susceptibility Re χ(3)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f860c34f83e53065fd129f1e04554589
https://doi.org/10.1063/5.0007333

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Структура, молекулярна динамiка та термотропнi властивостi катанiонних з’єднань на основi стеаринової кислоти та цетiлтриметiламмонiум бромiду при рiзних молярних спiввiдношеннях

Autor: V.I. Styopkin, Marek Drozd, Jakub Baran, T.A. Gavrilko

Publikováno v: Ukrainian Journal of Physics; Vol. 59 No. 3 (2014); 303
Український фізичний журнал; Том 59 № 3 (2014); 303

Solid phase complexes containing cetyltrimethylammonium bromide (CTAB) [H3C-(CH2)15-N+(CH3)3]Br− (cationic surfactant) and stearic fatty acid (SA) (H3C-(CH2)16-COOH) (anionic surfactant) were prepared with different SA:CTAB molar ratios ranging fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf0a5f52380133802c776550d1113761
https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018445

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Molecular Dynamics and Phase Transitions Behavior of Binary Mixtures of Fatty Acids and Cetyltrimethylammonium Bromide as Studied Via Davydov Splitting of Molecular Vibrational Modes

Autor: V.I. Styopkin, G. Puchkovska, Marek Drozd, Jakub Baran, T. Bezrodna, Tetiana Gavrilko

Publikováno v: Ukrainian Journal of Physics; Vol. 58 No. 7 (2013); 636
Український фізичний журнал; Том 58 № 7 (2013); 636

The 1:1 solid phase complexes of stearic (SA) and behenic (BA) fatty acids (FA) with cationic surfactant cetyltrimethylammonium bromide (CTAB) are prepared from an equimolar ethanol solution of their binary mixtures. A supramolecular complexation bet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82081bb15b5ec0dd89a4996b29c8bfd5
https://doi.org/10.15407/ujpe58.07.0636

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Femtosecond optical nonlinearity of Au nanoparticles under their excitation in nonresonant relative to surface plasmon conditions

Autor: V. Lyakhovetsky, V. I. Volkov, M. S. Brodyn, V.I. Styopkin, V. Rudenko

Publikováno v: Applied Physics B. 111:567-572

Nonlinear optical response of Au island films to femtosecond laser pulses is studied in the vicinity but not exactly at the surface plasmon absorption peak (λ spr = 560 nm). The third-order nonlinear optical susceptibility is shown to be Reχ (3) =

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::202be851d5d29ea9196081191ff68e72
https://doi.org/10.1007/s00340-013-5374-9

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FTIR and DSC Studies of Binary Mixtures of Long-Chain Aliphatic Compounds: Lauric Acid – Cetyl-trimethylammonium Bromide

Autor: Natalia Shcherban, Jakub Baran, V.I. Styopkin, I. I. Gnatyuk, T.A. Gavrilko, Marek Drozd

Publikováno v: Ukrainian Journal of Physics; Vol. 63 No. 5 (2018); 413
Український фізичний журнал; Том 63 № 5 (2018); 413

Structural and thermal properties of a solid-state binary mixture of long-chain cationic and anionic surfactants (so-called catanionic complexes) composed of cetyltrimethyl-ammonium bromide, [H3C–(CH2)15–N+(CH3)3]Br−(CTAB), and saturated fatty

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fbbb773df99142330536a7a71725945
https://doi.org/10.15407/ujpe63.5.413

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Akademický článek

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Structure of cetyltrimethylammonium bromide films obtained by evaporation-induced precipitation method

Autor: V.I. Styopkin, T. Bezrodna, Jan Baran, G. Puchkovska

Publikováno v: Thin Solid Films. 517:1759-1764

Homogeneous cetyltrimethylammonium bromide (CTAB) films on a solid Si substrate were obtained by the solvent evaporation-induced precipitation method from an alcohol-aqueous solution. The CTAB molecules in the films are oriented almost normally to th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de1dc66b59afbbddc6cf237ab7cc11f5
https://doi.org/10.1016/j.tsf.2008.10.008

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