Zobrazeno 1 - 10
of 68
pro vyhledávání: '"R. Vaisnoras"'
Autor:
L. Rasteniene, K. G. Dergachev, E. N. Khats'ko, M. I. Kobets, R. Vaisnoras, Augustinas Kulbickas
Publikováno v:
Low Temperature Physics. 39:1055-1059
The ESR absorption spectra on paramagnetic centers in the type Ib bulk diamond and nanodiamond powder were studied before and after irradiation with high energy electrons (2 MeV) for a wide range of frequencies (70–120 GHz) and temperatures (4.2–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17ba80ce001ae57c7f657800ce56ed17
https://doi.org/10.1063/1.4843355
https://doi.org/10.1063/1.4843355
Publikováno v:
Thin Solid Films. 519:2641-2644
Anisotropy of thin opal films was studied by ellipsometric technique in a visible spectral range. At normal light incidence, the ellipsometric data were directly related to anisotropy parameters measured by polarization modulation technique. In the (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58fba469ca8fa44e2a7c0a8bc59fca5d
https://doi.org/10.1016/j.tsf.2010.12.042
https://doi.org/10.1016/j.tsf.2010.12.042
Autor:
Marius Franckevičius, R. Vaisnoras, Jelena Tamulienė, Arvydas Iržikevičius, Augustinas Kulbickas, Irena Šimkienė, Loreta Rastenienė, Jurgis Babonas
Publikováno v:
Lithuanian Journal of Physics. 51:207-211
The UV optical spectra of amine terminated poly(propylene-imine) (PPI) dendrimers of generatons G1 to G5 were investigated experimentally. The occurrence of double band at (270–290) nm in absorption spectra of amine terminated dendrimer and the dep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dd4dceeaf0ac61697233ed9a2dacfd4
https://doi.org/10.3952/lithjphys.51306
https://doi.org/10.3952/lithjphys.51306
Autor:
R. Vaisnoras, Augustinas Kulbickas, Marius Franckevičius, L. Rasteniene, Gonçal Badenes, Jelena Tamuliene
Publikováno v:
Journal of Nanoscience and Nanotechnology. 10:6407-6410
Co-encapsulated PPI dendrimer with 64 functional groups (G5-generation) on periphery was synthesized. The modeled PPI dendrimer-like structure composed of 4 and 6 terminal flexible chains displays empty spaces between chains on periphery. Obtained oc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::521044cf1923315a11f9fec00b7ee3af
https://doi.org/10.1166/jnn.2010.2631
https://doi.org/10.1166/jnn.2010.2631
Autor:
José Luis Serrano, Vidmantas Gulbinas, Marius Franckevičius, Mercedes Marcos, R. Vaisnoras, R. Karpicz
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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instname
Excited-state relaxation of dendrimers functionalized with terminal cyanoazobenzene-type groups was studied by means of fluorescence and femtosecond transient absorption spectroscopy. We compare the relaxation dynamics with that of azobenzene molecul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e47e8eed7415050c592cc6d9de6c9a4a
https://doi.org/10.1016/j.cplett.2009.12.028
https://doi.org/10.1016/j.cplett.2009.12.028
Autor:
J. Babonas, Algirdas Kindurys, Pavlo Aleshkevych, Marius Franckevičius, A. Rėza, Virginijus Bukauskas, R. Vaisnoras, Irena Šimkienė, R. Szymczak
Publikováno v:
Lithuanian Journal of Physics. 50:7-15
Optical and magnetooptical properties of opal photonic crystals modified by Co nanoparticles have been investigated by modulation spectroscopy technique in the visible spectral range from 400 to 800 nm. The Co nanoparticles of 1 to 8 nm in size were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61b667ce15bf3c7be623f64f58f99d43
https://doi.org/10.3952/lithjphys.50114
https://doi.org/10.3952/lithjphys.50114
Autor:
I. Minevičiūtė, R. Vaisnoras, Mercedes Marcos, José Luis Serrano, Vidmantas Gulbinas, Marius Franckevičius
Publikováno v:
Chemical Physics. 359:65-70
Exciton migration between chromophore groups of the poly(propylene imine) dendrimer in chloroform solution and in solid state has been investigated by means of the time-resolved fluorescence measurements. Fluorescence decay kinetics, dynamic band shi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2982d34064f682665ead894b3ba314f
https://doi.org/10.1016/j.chemphys.2009.03.007
https://doi.org/10.1016/j.chemphys.2009.03.007
Publikováno v:
Lithuanian Journal of Physics. 49:137-143
In the present work theoretical investigations of Co2Om (m = 1; : : : ; 7) by applying density functional approach are performed. Calculations reveal that the stability of these compounds increases when the number of O atoms increases. The increase o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::931e5396a71df8a260241790cf3217da
https://doi.org/10.3952/lithjphys.49210
https://doi.org/10.3952/lithjphys.49210
Autor:
L. Rasteniene, J. Sabataityte, I. Simkiene, D. Kurdyukov, G.-J. Babonas, R. Vaisnoras, V. Golubev, A. Reza
Publikováno v:
Superlattices and Microstructures. 44:664-669
Synthetic opal crystals were infiltrated with concentrated (1–10 mM) aqueous solutions of iron porphyrin (FeTPPS). The assemblies of nanoscale blocks of 25–30 nm, which have been clustered into rod-like structures of size 100–150 nm typical of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::feac39e31da071c4ba51302425c5383b
https://doi.org/10.1016/j.spmi.2008.01.017
https://doi.org/10.1016/j.spmi.2008.01.017
Autor:
Bozena Jaskorzynska, Augustinas Kulbickas, Marius Franckevičius, L. Rasteniene, Jelena Tamuliene, José Luis Serrano, Lech Wosinski, R. Vaisnoras, Mercedes Marcos
Publikováno v:
Photonics and Nanostructures - Fundamentals and Applications. 5:178-183
Optical study of two families of poly(propylene imine) (PPI) dendrimers (G = 1-5) are reported. The enlarging of the chain number (generations) of the PPI dendrimer leads to the spectra shift to IR region in solvent until 8 and 19 nm for both familie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4c3d4dbd17502f2b14bae87546fd3b2
https://doi.org/10.1016/j.photonics.2007.06.003
https://doi.org/10.1016/j.photonics.2007.06.003