Zobrazeno 1 - 10
of 32
pro vyhledávání: '"V. M. Rizak"'
Autor:
P. P. Puga, A. I. Gomonai, A. N. Gomonai, N. N. Birov, G. D. Puga, V. M. Rizak, L. Kvetkova, P. S. Danilyuk
Publikováno v:
Optics and Spectroscopy. 128:1559-1565
Raman spectra of glassy lithium tetraborate activated with different concentration of terbium oxide are investigated. Most of the observed structure in the Raman spectra of Li2В4О7:Tb2О3 glass is caused by mixed vibrations of complex boron–oxyge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68a1bd29036e6aca70fa18761714453b
https://doi.org/10.1134/s0030400x20100203
https://doi.org/10.1134/s0030400x20100203
Autor:
V. N. Krasilinets, V. M. Rizak, I. I. Turok, P. P. Puga, A. I. Gomonai, G. D. Puga, P. S. Danilyuk
Publikováno v:
Glass Physics and Chemistry. 44:1-6
The X-ray-luminescence spectra of glassy and polycrystalline lithium tetraborate Li2B4O7 activated by europium oxide Eu2O3 are studied in the spectral range of 200 to 800 nm. The luminescence observed in the wavelength region of 570 to 720 nm is caus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89019991d315eeb484ec221e8bbdd62d
https://doi.org/10.1134/s1087659618010066
https://doi.org/10.1134/s1087659618010066
Autor:
Vladimir Komanicky, Miroslava Kozejova, D. Hlozna, Alexander Feher, V. M. Rizak, V. Bilanych, V. Kuzma
Publikováno v:
Journal of Non-Crystalline Solids. 456:7-11
Formation of surface reliefs induced by electron beam on surface of Ge-As-Se thin films is investigated as a function of concentration of elements in the films. It was found that during local electron irradiation at low doses in the range from 9.3–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e7dab6f656104cf0fbc555faf94d8be
https://doi.org/10.1016/j.jnoncrysol.2016.10.033
https://doi.org/10.1016/j.jnoncrysol.2016.10.033
Autor:
V. Kuzma, Miroslava Kozejova, Vladimir Komanicky, František Lofaj, Alexandra Kovalčíková, V. Bilanych, Alexander Feher, V. M. Rizak
Publikováno v:
Thin Solid Films. 616:86-94
We deposited electric charge in periodic manner in form of square lattices of points in Ge–As–Se chalcogenide semiconductor films by electron beam. Various types of surface reliefs are observed as a result of interaction of electron beam with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be5cf7d0c4664b246481c7ff82aa12b2
https://doi.org/10.1016/j.tsf.2016.07.073
https://doi.org/10.1016/j.tsf.2016.07.073
Publikováno v:
Optics and Spectroscopy. 118:924-929
X-ray luminescence spectra of Li2B4O7:Er glasses have been investigated in the range of 200–800 nm. It is shown that all identified peaks in the dependence IXRL = f(λ) are due to parity-forbidden intra-configuration radiative transitions within th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf44b7852740a3c217f93d68e9becea8
https://doi.org/10.1134/s0030400x15060089
https://doi.org/10.1134/s0030400x15060089
Autor:
A. I. Gomonai, I. I. Turok, K. P. Popovich, P. P. Puga, G. D. Puga, N. V. Primak, P. S. Danilyuk, V. N. Krasilinets, V. M. Rizak
Publikováno v:
Optics and Spectroscopy. 117:759-763
The optical absorption spectra of Er:Li2B4O7 glasses are studied in the range 200–800 nm. The lines corresponding to the direct f-f parity-forbidden intraconfigurational transitions from the ground 4I15/2 state to the levels of the excited 4F9/2, 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e5daa5ab7adaf0caed567c69a0db20c
https://doi.org/10.1134/s0030400x14110058
https://doi.org/10.1134/s0030400x14110058
Publikováno v:
Journal of Non-Crystalline Solids. 366:48-53
Thermal properties of the GexAsySe100 − x − y glasses have been studied using differential scanning calorimetry with harmonic temperature modulation. The temperature changes of the reverse and non-reverse components of the heat flow in these mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d46d4bdca0aa0e47153d835beab09128
https://doi.org/10.1016/j.jnoncrysol.2012.11.045
https://doi.org/10.1016/j.jnoncrysol.2012.11.045
Publikováno v:
Physics of the Solid State. 53:2316-2320
The mechanical properties of As2Se3 and Ge2Se3 thin films have been studied by the method of quasi-static nonoindentation. The mechanisms of formation and recovery of the indentations in the studied materials have been analyzed under conditions of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c70bb7f96fba03ab6a3b13138e31991c
https://doi.org/10.1134/s1063783411110060
https://doi.org/10.1134/s1063783411110060
Publikováno v:
Physics of the Solid State. 52:1820-1829
Relaxation processes in glasses of the Ge-As-Se system have been investigated by the internal friction technique. The process that can be classified as the β relaxation process has been revealed in the temperature range 180–280 K. The assumption h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::140e1e63b9bb6263eda46815633d7700
https://doi.org/10.1134/s1063783410090064
https://doi.org/10.1134/s1063783410090064
Publikováno v:
Physics of the Solid State. 52:1468-1474
The results obtained from ab initio calculations of the optimized configuration and electronic structure of the cluster models of Sn2P2S6 ferroelectric crystals are presented. The calculations have been performed using the spin-restricted Hartree-Foc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a64859bb90f73431cca18b1369ce7d9
https://doi.org/10.1134/s1063783410070231
https://doi.org/10.1134/s1063783410070231