Search Results - "Polosan, S"

Dynamics of energy absorption versus crystallization in Bi4Ge3O12 (BGO) amorphous materials by Polosan, S.

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Charge carrier traps in tris-(8-hydroxyquinoline) aluminum by Secu, M., Polosan, S.

“…Thermoluminescent measurements between 40 and 300C revealed two traps in the irradiated Alq3 powder synthetized from Al(OH)3, at 0.8 and 1.1eV below the…”
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The origin of the dual ferroic properties in quasi-centrosymmetrical SrFe12−xInxO19 hexaferrites by Trukhanov, A.V., Turchenko, V.A., Kostishin, V.G., Damay, F., Porcher, F., Lupu, N., Bozzo, B., Fina, I., Polosan, S., Silibin, M.V., Salem, M.M., Tishkevich, D.I., Trukhanov, S.V.

“…•In-substituted SrM hexaferrites were synthesized using solid state reactions.•Coexistence of the electrical and magnetic ordering at room temperature was…”
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Magnesium-silver cathodes for efficient charge injection into Organic Light Emitting Diodes deposited by LTVA method by Vladoiu, R., Mandes, A., Dinca, V., Kudrna, P., Tichý, M., Polosan, S.

“…•Versatility of the LTVA (Laser-induced Thermionic Vacuum Arc) method applied for Mg:Ag alloys.•Deposition of AgMg3 thin films for OLED electrodes.•The…”
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Mud and burnt Roman bricks from Romula by Badica, P., Alexandru-Dinu, A., Grigoroscuta, M. A., Burdusel, M., Aldica, G. V., Sandu, V., Bartha, C., Polosan, S., Galatanu, A., Kuncser, V., Enculescu, M., Locovei, C., Porosnicu, I., Tiseanu, I., Ferbinteanu, M., Savulescu, I., Negru, M., Batalu, N. D.

“…Sesquipedalian mud and burnt bricks (second to third century AD) were excavated from the Roman city of Romula located in the Lower Danube Region (Olt county,…”
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Highly Conductive Carbon-Based Thin Films Produced by Low-Energy Electron Irradiation by Ciobotaru, C. C., Ciobotaru, I. C., Iosub, D. G., Polosan, S.

“…Highly conductive carbon-based thin films have been produced by low-energy electron irradiation. Low-energy electron irradiation at a lower density of…”
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Optical spectroscopy and dielectric properties of phosphate-tellurite glasses by Polosan, S, Nitescu, A, Secu, M

“…Tellurium metallic colloids were evidence in the phosphate tellurite glasses obtained by the melt quenching method over 1000 °C. The concentration and…”
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Versatile techniques based on the Thermionic Vacuum Arc (TVA) and laser-induced TVA methods for Mg/Mg:X thin films deposition-A review by Vladoiu, R., Mandes, A., Dinca, V., Tichy, M., Kudrna, P., Ciobotaru, C.C., Polosan, S.

“…•Magnesium and magnesium alloys deposited by thermionic vacuum arc.•Amorphous thin film deposition with smooth surfaces.•Laser-induced method increases the…”
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Structural changes during the crystallization of the Bi4Ge3O12 glasses by POLOSAN, S, NASTASE, F, SECU, M

“…Bismuth-germanate glass ceramics with the composition 40% Bi2O3-60% GeO2 (in molar percents) were prepared through controlled crystallization of melt-quenched…”
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Mechanisms of the charge transfer in IrQ(ppy)2-5Cl dual-emitter compound by Polosan, S, Radu, I C

“…The synthesis of IrQ(ppy)2-5Cl has the advantage of a dual phosphorescence (green and red) which comes from the two ligands, phenylpyridine and quinoline…”
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Ferromagnetic behaviour of bismuth germanate oxides glass–ceramic materials by Polosan, S., Negrea, R., Ciobotaru, I.C., Schinteie, G., Kuncser, V.

“…•Diluted ferromagnetism was evidenced in Bi based glass ceramics (BGO).•It is related mainly to oxygen defects in the atypical amorphous phase.•The coercivity…”
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Thermally activated conversion of a silicate gel to an oxyfluoride glass ceramic: Optical study using Eu3+ probe ion by Secu, C.E., Bartha, C., Polosan, S., Secu, M.

“…Sol–gel route using metal alkoxides precursor and trifluoroacetic acid as in situ fluorination reagent has been used to prepare Eu3+-doped silicate xerogel,…”
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Magnetic and ferroelectric properties, crystal and magnetic structures of SrFe11.9In0.1O19 by Turchenko, V A, Trukhanov, A, Trukhanov, S, Damay, F, Porcher, F, Balasoiu, M, Lupu, N, Chiriac, H, Bozzo, B, Fina, I, Waliszewski, J, Kostishyn, V G, Recko, K, Polosan, S

“…The structural investigations of SrFe11.9In0.1O19 compound synthesized by solid-state method have been carried by neutron diffraction method in a wide…”
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Band-gap correlations in Bi4Ge3O12 amorphous and glass—ceramic materials by POLOSAN, S, GALCA, A. C, SECU, M

“…The Bi4Ge3O12 (BGO) glass materials were sintered from a mixture of oxides powders, rapidly heated and melted at 1323aaK and poured on the graphite plates…”
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Dual emitter IrQ(ppy)2 for OLED applications: Synthesis and spectroscopic analysis by Ciobotaru, I.C., Polosan, S., Ciobotaru, C.C.

“…The synthesis of organometallic compound with iridium and two types of ligands, quinoline and phenylpyridine, was done successfully. The absorption spectra of…”
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Crystallization and spectroscopic properties of Eu-doped CaF2 nanocrystals in transparent oxyfluoride glass-ceramics by SECU, M, SECU, C. E, POLOSAN, S, ALDICA, G, GHICA, C

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Photoluminescence and magnetic circular dichroism of IrQ(ppy) 2-5Cl by Polosan, S., Radu, I.C., Tsuboi, T.

“…Photoluminescence and magnetic circular dichroism of the IrQ(ppy) 2-5Cl compound were investigated between 15 and 295 K. These results have been compared with…”
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Embedding of IrQ(ppy)2 organometallic compounds in polypyrrole conducting polymer for OLED’s applications by Ciobotaru, I.C., Matei, E., Ciobotaru, C.C., Polosan, S.

“…[Display omitted] •Electrochemical deposition of polypyrrole:IrQ(ppy)2 thin layers.•Uniform dispersion of the organometallic compound in the polymer…”
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Magneto-optical investigations of rare earth doped sol–gel derived silicate xerogels by Secu, C.E., Polosan, S., Secu, M.

“…Rare-earth doped xerogels (Eu 3+, Sm 3+, Ho 3+, Pr 3+) were prepared by using the sol–gel method and their magneto-optical and optical properties have been…”
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Lead incorporation mechanism in LiF crystals by D'Acapito, F., Pochet, P., Somma, F., Aloe, P., Montereali, R. M., Vincenti, M. A., Polosan, S.

“…The doping process of LiF with Pb has been described by using structural ab initio modeling and experimental results. The values of formation energy of several…”
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