Zobrazeno 1 - 10
of 28
pro vyhledávání: '"O.I. Dacenko"'
Autor:
V.V. Prorok, S.G. Rozouvan, S. E. Zelensky, Leonid A. Bulavin, Philip J. White, L.Yu. Melnychenko, O.I. Dacenko, Leonid V. Poperenko
Publikováno v:
Âderna Fìzika ta Energetika, Vol 18, Iss 1, Pp 87-92 (2017)
Concentrations of 137Cs and potassium in solutions extracted by centrifugation from soils selected at some experimental sites in the 10-km Exclusion Zone of Chornobyl Nuclear Plant were determined. The results showed that for the majority of investig
Publikováno v:
Journal of Environmental Radioactivity. 152:85-91
The selectivity of cation uptake by radish (Raphanus sativus L.) growing in the field near Chernobyl varies during the growth season. It is hypothesised that this is a consequence of variation in (137)Cs (Csss) and potassium (Kss) concentrations in t
Publikováno v:
Ukrainian Journal of Physics. 63:238
Channels of the 137Cs and potassium transfer from soil to plants in the field under water-stressed conditions are investigated. Different rapidly maturing plants were grown and selected simultaneously several times during the 2012 and 2013 seasons at
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
Autor:
S.M Naumenko, T. V. Ostapchuk, V.B Shevchenko, O.I. Dacenko, V. A. Makara, M. S. Boltovets, O. V. Vakulenko, O. V. Rudenko
Publikováno v:
Journal of Luminescence. 81:263-270
Evolution of the integral intensity of the photoluminescence (IIPL) of untreated and treated (48% HF etched) porous silicon (PS) samples is studied in samples stored in the air both in the dark and in daylight. It is established that IIPL of the illu
Publikováno v:
Thin Solid Films. 342:230-237
The principal angle and ellipticity of the light beam reflected from the surface of porous silicon (PS) and the dependence on the angle-of-incidence of the reflected light intensity were measured for three wavelengths of the visible spectral region.
Autor:
O.I. Dacenko, Uwe Ritter, Viktor V. Kozachenko, Peter Scharff, V.N. Uvarov, Yu. I. Prylutskyy, Serhiy Kondratenko
Publikováno v:
Chemical Physics Letters. 467:77-79
C 60 fullerene films on silicon substrates are investigated by luminescence and multi-angle-of-incidence (MAI) ellipsometry. The ultrasonic treatment decreases the integral intensity and modifies the photoluminescence spectrum shape. The optical prop
Autor:
V. A. Makara, O. V. Rudenko, M. S. Boltovets, V.M. Kravchenko, O. V. Vakulenko, O.I. Dacenko, V. O. Fesunenko, T. V. Ostapchuk
Publikováno v:
Thin Solid Films. 312:202-206
The effect of boron diffusion on the microhardness and photoluminescent properties of porous silicon layers obtained conventionally by anode etching is studied. By means of angle lap, it was found that the samples have a three-layer structure: the up
Publikováno v:
Ukrainian Journal of Physics; Vol. 57 No. 2 (2012); 256
Український фізичний журнал; Том 57 № 2 (2012); 256
Scopus-Elsevier
Український фізичний журнал; Том 57 № 2 (2012); 256
Scopus-Elsevier
The chlorophyll photoluminescence intensity degradation of Vallisneria spiralis L. water plant is studied. It is shown that the degradation curve is rather well described by a sum of two hyperbolic functions. The rate of intensity degradation reduces
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