Search Results - "Iovu, M. S."

Photoluminescence properties of PVP/Eu(TTA)2(Phen3PO)2NO3 nanocomposites by VERLAN, V. I, IOVU, M. S, CULEAC, I, NISTOR, Y, TURTA, C. I, ZUBAREVA, V. E

“…Thin films (1-10I14m thickness) of nanocomposites (NC) based on organic coordinated compound (OCC) Eu(TTA) 2 (Phen 3 PO) 2 NO 3 (where TTA is…”
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Stabilization of Diffraction Gratings Recorded in Poly-N-Epoxypropylcarbazole Films Doped with Iodoform by Sergeev, S. A., Robu, S. V., Meshalkin, A. Yu, Iovu, M. S.

“…In poly- N -epoxypropylcarbazole films containing 10 wt % CHI 3 as an additive, diffraction gratings with a period of about 1 μm have been recorded by…”
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Effect of Corona Discharge on the Optical Properties of Thin-Film Cu–As2Se3 Structures by Nastas, A. M., Iovu, M. S., Tolstik, A. L.

“…The effect that corona discharge has on holographic recording of diffraction gratings in a thin-film Cu−As 2 Se 3 structure deposited on glass by thermal…”
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Diffraction Structures Formed by Two Crossed Superimposed Diffraction Gratings by Sergeev, S. A., Meshalkin, A. Yu, Iovu, M. S.

“…The diffraction patterns generated by surface relief diffraction structures that consisted of two identical crossed, superimposed gratings formed in the As 2 S…”
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Relaxation of photodarkening in amorphous As–Se films doped with metals by Iovu, M.S., Shutov, S.D., Popescu, M.

“…Photodarkening relaxation under light exposure of a-As 2Se 3 amorphous films doped with 0.5 at.% of metals Sn, Mn, Sm or Dy and a-AsSe films doped up to 10.0…”
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Effect of Sn doping on photoconductivity in amorphous As2Se3 and AsSe films by Iovu, M.S., Shutov, S.D., Arkhipov, V.I., Adriaenssens, G.J.

“…The kinetics of transient photocurrents in Sn-doped a-As2Se3 and a-AsSe films are dependent on light intensity and temperature, as well as on the glass…”
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Effect of corona discharge on formation of holographic diffraction gratings in the Cu–As2Se3 thin-film structure by Nastas, A. M., Iovu, M. S., Prisakar, A. M., Tridukh, G. M.

“…Application of negative corona discharge in the course of recording leads to an increase in the holographic sensitivity of the Cu–As 2 Se 3 structure and…”
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PHOTODARKENING RELAXATION IN AMORPHOUS As2Se3 FILMS DOPED WITH RARE-EARTH IONS by Iovu, M S, Boolchand, P, Georgiev, D G

“…The effect of rare-earth ions (Nd3+ , Sm3+ , Dy3+ , Ho3+ , Er3+ , and Pr31) in amorphous As2Se3 thin films on the photodarkening relaxation was investigated…”
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Stretched exponential parameterization of in-situ photodarkening kinetics in amorphous As–Se films by Balitska, V.O., Iovu, M.S., Shpotyuk, O.I.

“…The governed kinetics describing in-situ photodarkening in amorphous As100−xSex films of different compositions (x=40, 50, 60) and thicknesses (0.54–2.04μm)…”
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RAMAN SPECTRA OF AsxSe100-x GLASSES DOPED WITH METALS by Iovu, M S, Kamitsos, E I, Varsamis, C P E, Boolchand, P, Popescu, M

“…Chalcogenide glasses in the system AsxSeloo-x, as well as AsoSeso and As50Selo glasses doped with metals (Bi, Ge, Cd, Ag, Sn, Mn, Dy and Sm) were investigated…”
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Structure and Bonding in As−Sb−S Chalcogenide Glasses by Infrared Reflectance Spectroscopy by Kamitsos, E. I, Kapoutsis, J. A, Culeac, I. P, Iovu, M. S

“…The structure of chalcogenide glasses xSb2S3·(1 − x)As2S3 with 0 ≤ x ≤ 0.75 was studied by infrared reflectance spectroscopy. The absorption coefficient…”
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SPECTROSCOPIC STUDY OF As2S3 GLASSES DOPED WITH Dy, Sm AND Mn by Iovu, M S, Shutov, S D, Andriesh, A M, Kamitsos, E I, Varsamis C, P E, Furniss, D, Seddon, A B

“…The effect of rare earth (Dy and Sm) and transition metal (Mn) luminescent impurities on the optical properties of As2S3 glasses is studied in a wide spectral…”
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Photoluminescence properties of PVP/Tb(TTA)2(Ph3PO)2NO3 nanocomposites by Verlan, V.I., Iovu, M.S., Culeac, I., Nistor, Y.H., Turta, C.I., Zubareva, V.E.

“…Thin films (1–10μm thickness) of nanocomposites (NCs) based on a coordinated compound (CC) Tb(TTA)2(Ph3PO)2NO3 (where TTA is thenoyltrifluoroacetonate…”
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Influence of corona discharge on holographic recording of diffraction gratings in Cu–chalcogenide film structures by Nastas, A.M., Iovu, M.S., Prisacar, A.M., Meshalkin, A.Yu, Sergeev, S.A.

“…The influence of corona discharge on holographic recording of gratings in Cu–As2Se3 and Cu–As2S3 thin film structures was investigated. Applying of negative…”
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The effect of oxygen on optical absorption and emission of Pr:Ga–La–S glass by Seddon, A.B., Furniss, D., Iovu, M.S., Shutov, S.D., Syrbu, N.N., Andriesh, A.M., Adriaenssens, G.J.

“…The absorption and emission spectra of Ga-La-S-O glasses with fixed cation ratio Ga/La=0.7/0.3 and two O contents 0.65 wt% and 2.95 wt% were studied for two…”
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New photoluminophore nanocomposite based on organic compound with Eu3+ ions and copolymer styrene-butylmethacrilate by IOVU, M. S, ANDRIESH, A. M, BUZURNIUC, S. A, VERLAN, V. I, TURTA, C. I, ZUBAREVA, V. E, CARAMAN, M. I

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Optical properties of As-Se amorphous composites by Andriesh, A M, Iovu, M S

“…Photostructural transformations in amorphous films of chalcogenide glasses (ChG) under light irradiation present scientific and practical interests. That is…”
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Photoinduced effects and holographic recording in amorphous As100-xSex, As2Se3: Sn and Sb2Se3: Sn films by Iovu, M S, Harea, D V, Cojocaru, I A

“…The optical and holographic characteristics of amorphous Asioo-xSex, As2Se3:Sn and Sb2Se3:Sn prepared by vacuum evaporation on glass substrates are…”
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Fiber optic method for measuring the intensity of IR radiation by Culeac, I P, Nistor, Iu H, Iovu, M S

“…A high sensitivity fiber-optic method for registration of infrared (IR) radiation is proposed. The method is based on the effect of modal interference in an…”
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New luminescent compounds based on chalcogenides and organic materials by Iovu, M S, Andriesh, A M, Verlan, V I, Buzurniuc, S A, Culeac, I P, Nistor, Yu H, Zubareva, V

“…Data concerning fabrication and luminescent properties of new composite materials on the base of organic coordination compounds of Eu(lll) (Eu(TTA)(3)H(2)O,…”
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