Výsledky vyhledávání - "V. B. Shevchenko"

Evolution of photoluminescence and chemical composition of the nanostructured silicon in water solutions

Autor: V. A. Makara, T. S. Veblaya, V. B. Shevchenko, O.I. Dacenko

Publikováno v: physica status solidi c. 5:3818-3821

Modification of the IR absorption spectra and photoluminescent properties of nanoporous silicon as a result of its interaction with water solutions is investigated. The effect of air pre-oxidation and the solution pH on the interaction is studied. It

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::067a9fca068953ba78efd80b07020015
https://doi.org/10.1002/pssc.200780209

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Detection of different states of water and oxide layer in porous silicon by IR spectroscopy

Autor: M. Ye. Korniyenko, V. A. Makara, V. B. Shevchenko, M. M. Makhno, A. M. Korniyenko, T. S. Veblaya

Publikováno v: physica status solidi c. 4:2131-2135

Different states of water and oxide layer in porous silicon (PS) have been studied by IR spectroscopy method. The water states have been shown to depend on contact conditions between PS and condensed or vaporous forms of water and to determine all th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f78948ad44d50587f6c8ebaba43ebc92
https://doi.org/10.1002/pssc.200674397

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Evidence for photochemical transformations in porous silicon

Autor: V. B. Shevchenko

Publikováno v: Semiconductor Physics, Quantum Electronics and Optoelectronics. 2:50-53

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f4be31c0c3492dbbdfe5a0b8164d342
https://doi.org/10.15407/spqeo2.02.050

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[Estimation of ROS in the presence of biologically active substances by porous silicon fluorescence]

Autor: V B, Shevchenko, A I, Datsenko, O V, Shablykin, T V, Osadchuk, A M, Liakhov, Iu V, Pivovarenko, V A, Makara

Publikováno v: Ukrains'kyi biokhimichnyi zhurnal (1999 ). 84(4)

The fluorescence spectra of the porous silicon modified by water solutions of biologically active materials and materials of biological origin are recorded as well as the fluorescence spectra of the porous silicon modified by lecithin monolayers grow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::2b1fdfe4668194c78ce0efe39d7ad949
https://pubmed.ncbi.nlm.nih.gov/22946304

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Development of glasshouse pests of cucumber under different conditions, in relation to possibilities for their biological control

Autor: V. B. Shevchenko, I. A. Zabudskaya, E. S. Shiiko, E. M. Mencher, N.A. Popov

Publikováno v: EPPO Bulletin. 22:529-536

Experiments were performed under controlled conditions on the development of four cucumber pests (Trialeurodes uaporariorum, Tetranychus urticae, Aphis gossypii and Thrips tabaci). The main variables were temperature, photoperiod and light intensity.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb1503a8b9b38e8e66dc0f3a0c94ef2f
https://doi.org/10.1111/j.1365-2338.1992.tb00540.x

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MAGNETIC-FIELD-INDUCED MODIFICATION OF POROUS SILICON SURFACE AND PHOTOLUMINESCENCE

Autor: T. S. Veblaya, L. P. Steblenko, V. A. Makara, V. B. Shevchenko

Publikováno v: Scopus-Elsevier

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe879f912561d02580c87e3259efdc9a
https://doi.org/10.1142/9789814280365_0073

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Durability and dislocation structure of nickel at high loading frequency

Autor: T. A. Molodkina, Yu. F. Lugovskoi, V. B. Shevchenko

Publikováno v: Strength of Materials. 22:29-33

Special features of the behavior of polycrystalline nickel fatigue curves, differing by various degrees of purity and by the method of obtaining specimens have been investigated. Fatigue tests were carried out at resonance bending vibrations at a loa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7b080307856bfc0825ccb8fbd672ba3
https://doi.org/10.1007/bf00774976

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MODIFICATION OF PHOTOLUMINESCENCE PROPERTIES OF POROUS SILICON BY POLYNUCLEOTIDE LAYERS

Autor: M. O. Davydenko, V. A. Makara, O. M. Vasiliev, V. B. Shevchenko

Publikováno v: Scopus-Elsevier

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15a61faa9968762f11a1324d6f88a43c
https://doi.org/10.1142/9789812701947_0095

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Optical properties and structure of porous silicon

Autor: V. S. Stashhuk, V. B. Shevchenko

Publikováno v: SPIE Proceedings.

spectroscopy. The HF post-anodization treatment was used to modify the PS stmcture and properties.It is found that there is a transparent film with a sharp interface above the PS layer on the samples that show an intensephotolurninescence. The transp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb10c3e5c258e79e17457544c07b3dd1
https://doi.org/10.1117/12.306254

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