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pro vyhledávání: '"Mihai S. Iovu"'
The diffraction patterns of surface relief diffraction structures that consisted of two crossed identical superimposed gratings formed in As2S3 thin films by electron beam recording with subsequent chemical etching were studied. The angle between gra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::739aec4d6990834573db7d5edecc603a
Publikováno v:
Journal of Non-Crystalline Solids. 377:182-185
The governed kinetics describing in-situ photodarkening in amorphous As100 − xSex films of different compositions (x = 40, 50, 60) and thicknesses (0.54–2.04 μm) were analyzed within stretched exponential parameterization algorithm. It was found
Publikováno v:
Journal of Non-Crystalline Solids. 360:21-25
Thin films (1–10 μm thickness) of nanocomposites (NCs) based on a coordinated compound (CC) Tb(TTA) 2 (Ph 3 PO) 2 NO 3 (where TTA is thenoyltrifluoroacetonate (C 8 H 5 F 3 O 2 S), and Ph 3 PO is triphenylphosphine oxide) and a polymer — polyviny
Publikováno v:
Journal of Nanoelectronics and Optoelectronics. 7:735-739
Autor:
Mihai S. Iovu, Stephan V. Robu, P. Petrenko, Iu. Nistor, Galina Dragalina, Ion Tiginyanu, I. Culeac, M. Enachi
Publikováno v:
Journal of Nanoelectronics and Optoelectronics. 7:696-700
Autor:
Constantin Turta, V. I. Verlan, Andrei M. Andriesh, V. E. Zubareva, Mihai S. Iovu, I. Culeac, L. Malahov, Yu. H. Nistor
Publikováno v:
physica status solidi c. 8:2837-2840
The europium complex tris(dibenzoylmethane)(monophenanthroline)europium (III) (Eu(DBM)3Phen) was successfully incorporated with different molar ratios into organic copolymer matrix of styrene:butylmethacrilate (1:1) (SBMA) via sol–gel process. Spin
Publikováno v:
Journal of Non-Crystalline Solids. 357:1004-1007
Thin films (1–10 μm thickness) of nanocomposites (NC) based on organic coordinated compound (OCC) Eu(TTA)2(Phen3PO)2NO3 (where TTA is thenoyltrifluoroacetonate (C8H5F3O2S), Phen – 1,10-phenanthroline (C12H8N2)) and polymer – polyvinylpyrrolido
Autor:
Vladimir Arkhipov, Guy Adriaenssens, Mihai S. Iovu, E.P. Colomeico, I. A. Vasiliev, E.V Emelianova
Publikováno v:
Journal of Physics: Condensed Matter. 16:2949-2958
Photocurrent relaxation was investigated in pure and Pr-doped amorphous As2S3 films after constant illumination had been switched off. It is shown that, in the temperature range from 290 to 370 K and for the time interval 0.5–150 s, the photocurren
Autor:
Florinel Sava, A. Lorinczi, M. Leonovici, Mihai Popescu, Th. Halm, Walter Hoyer, Mihai S. Iovu
Publikováno v:
physica status solidi (b). 240:29-36
The glassy composition As 25 Te 35 Si 40 was investigated by differential scanning calorimetry (DSC), X-ray diffraction (XRD), Raman spectroscopy, and infrared absorption (IR) measurements. X-ray diffraction patterns at room temperature and at temper
Autor:
S.D. Shutov, G.J. Adriaenssens, N. N. Syrbu, David Furniss, Mihai S. Iovu, Andrei M. Andriesh, Angela B. Seddon
Publikováno v:
Journal of Non-Crystalline Solids. :279-282
The absorption and emission spectra of Ga–La–S–O glasses with fixed cation ratio Ga/La=0.7/0.3 and two oxygen contents 0.65 wt% and 2.95 wt% were studied for two Pr3+ doping levels of 0.1 and 1.0 wt%. Presence of oxygen induces blue shift of th