Search Results - "Vanetsev, A.S."

Ultrafast hybrid nanocomposite scintillators: A review by Shevelev, V.S., Ishchenko, A.V., Vanetsev, A.S., Nagirnyi, V., Omelkov, S.I.

“…In recent years, demand for scintillation detectors with high time resolution (better than 100 ps) has emerged in high-energy physics and medical imaging…”
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Phase composition and morphology of nanoparticles of yttrium orthophosphates synthesized by microwave-hydrothermal treatment: The influence of synthetic conditions by Vanetsev, A.S., Samsonova, E.V., Gaitko, O.M., Keevend, K., Popov, A.V., Mäeorg, U., Mändar, H., Sildos, I., Orlovskii, Yu.V.

“…Herein we report the study of the influence of synthesis conditions during the microwave-hydrothermal crystallization of freshly precipitated gels on the phase…”
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Corrigendum to “Ultrafast hybrid nanocomposite scintillators: A review” [J. Lumin. 242 (2022) 118534] by Shevelev, V.S., Ishchenko, A.V., Vanetsev, A.S., Nagirnyi, V., Omelkov, S.I.

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Nd3+-doped nanoparticles for visualization in the tissue depth by Ryabova, A.V., Orlovskii, Yu.V., Orlovskaya, E.O., Vanetsev, A.S., Popov, A.V., Romanishkin, I.D., Grachev, P.V., Loschenov, V.B.

“…Inorganic nanoparticles containing rare-earth ions are of particular interest as luminescent contrasting agents for obtaining optical images from the depth of…”
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Comparison of concentration dependence of relative fluorescence quantum yield and brightness in first biological window of wavelengths for aqueous colloidal solutions of Nd3+: LaF3 and Nd3+: KY3F10 nanocrystals synthesized by microwave-hydrothermal treatment by Orlovskii, Yu.V., Popov, A.V., Orlovskaya, E.O., Vanetsev, A.S., Vagapova, E.A., Rähn, M., Sammelselg, V., Sildos, I., Baranchikov, A.E., Grachev, P.V., Loschenov, V.B., Ryabova, A.V.

“…We set simple criteria to choose crystal host for Nd3+ doping and a value of doping concentration for synthesis of aqueous colloidal solutions of the fluoride…”
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Combined spectroscopic and DFT studies of local defect structures in beta-tricalcium phosphate doped with Nd(III) by Vagapova, E.A., Strugovshchikov, E., Orlovskaya, E.O., Vanetsev, A.S., Dolgov, L., Puust, L., Iskhakova, L.D., Mäeorg, U., Pishtshev, A., Orlovskii, Yu.V.

“…•Possible Nd3+ positions in β-tricalcium phosphate were calculated by DFT methods.•Two types of charge compensation have been identified in Nd3+ doped β…”
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Approaches to contactless optical thermometer in the NIR spectral range based on Nd3+ doped crystalline nanoparticles by Kaldvee, K., Nefedova, A.V., Fedorenko, S.G., Vanetsev, A.S., Orlovskaya, E.O., Puust, L., Pärs, M., Sildos, I., Ryabova, A.V., Orlovskii, Yu.V.

“…The fluorescence kinetics and spectral intensity ratio (FIR) methods for contactless optical temperature measurement in the NIR spectral range with Nd3+ doped…”
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Approaches to contactless optical thermometer in the NIR spectral range based on Nd 3+ doped crystalline nanoparticles by Kaldvee, K., Nefedova, A.V., Fedorenko, S.G., Vanetsev, A.S., Orlovskaya, E.O., Puust, L., Pärs, M., Sildos, I., Ryabova, A.V., Orlovskii, Yu.V.

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NIR fluorescence quenching by OH acceptors in the Nd3+ doped KY3F10 nanoparticles synthesized by microwave-hydrothermal treatment by Orlovskii, Yu.V., Vanetsev, A.S., Keevend, K., Kaldvee, K., Samsonova, E.V., Puust, L., del Rosal, B., Jaque, D., Ryabova, A.V., Baranchikov, A.E., Lange, S., Sildos, I., Kikas, J., Loschenov, V.B.

“…We performed site-selective spectroscopy and analyzed static (Direct Energy Transfer, DET) Förster kinetics of impurity quenching N(t) in the water-dispersible…”
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Testing nanocrystalline CdWO4 doped with Yb3+ as a possible down-conversion phosphor by Vanetsev, A.S., Orlovskii, Yu.V., Nagirnyi, V., Sildos, I., Puust, L., Kaldvee, K., Yin, M., Wei, X.T., Makhov, V.N.

“…The CdWO4:Yb3+ (0.1, 2, 3%) nanophosphors have been synthesized using microwave-hydrothermal treatment. The spectral and kinetic characteristics of their…”
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Fluorescence quenching mechanism for water-dispersible Nd3+:KYF4 nanoparticles synthesized by microwave-hydrothermal technique by Samsonova, E.V., Popov, A.V., Vanetsev, A.S., Keevend, K., Kaldvee, K., Puust, L., Baranchikov, A.E., Ryabova, A.V., Fedorenko, S.G., Kiisk, V., Sildos, I., Kikas, J., Steiner, R., Loschenov, V.B., Orlovskii, Yu. V.

“…We synthesize water-dispersible Nd3+:KYF4 nanoparticles with narrow size distribution by microwave-hydrothermal crystallization of freshly precipitated gels…”
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Vacuum ultraviolet spectroscopic analysis of Ce3+-doped hexagonal YPO4·0.8H2O based on exchange charge model by Ma, C.-G., Popov, A.V., Vanetsev, A.S., Gaitko, O.M., Orlovskaya, E.O., Lange, S., Sildos, I., Orlovskii, Yu.V.

“…The hexagonal YPO4·0.8H2O:Ce3+ nanophosphors are successfully prepared by the microwave–hydrothermal technique for the first time. The 4f–5d excitation…”
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Nanosecond fluctuation kinetics of luminescence hopping quenching originated from the 5d1 level in the Ce3+:YPO4·0.8H2O nanocrystals by Popov, A.V., Orlovskii, Yu.V., Vanetsev, A.S., Gaitko, O.M., Orlovskaya, E.O., Sildos, I.

“…We study the nanosecond energy transfer kinetics detected at dipole allowed 5d1–4f1 transition and originated from the lowest 2Γ1 level of the Ce3+ ions doped…”
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Intrinsic and impurity luminescence of rare earth ions doped KYF4 nanophosphors by Makhov, V.N., Vanetsev, A.S., Khaidukov, N.M., Yin, M., Wei, X.T., Kotlov, A., Belsky, A.N.

“…The KYF4 nanopowders, non-doped and doped with Ce3+ or Tb3+, having well-crystallized, unaggregated, monodisperse (±15%) nanoparticles with the cubic (the size…”
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A Crystal Host Selection for Aqueous Colloidal Luminescent Nanocrystals Doped by Nd3+ Used for Bioimaging in First Biological Window by Orlovskii, Yu.V., Popov, A.V., Orlovskaya, E.O., Vanetsev, A.S., Sildos, I., Grachev, P.V., Ryabova, A.V.

“…Simple criteria for crystal host selection for Nd 3+ doped nanocrystals using as fluorescent agents in the first biological window of wavelengths is set. It is…”
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