Search Results - "Sigaev, Vladimir N."

Direct Laser Writing of LaBGeO5 Crystal-in-Glass Waveguide Enabling Frequency Conversion by Lipatiev, Alexey S, Lipateva, Tatiana O, Lotarev, Sergey V, Okhrimchuk, Andrey G, Larkin, Alexey S, Presnyakov, Mikhail Yu, Sigaev, Vladimir N

“…We report on a technique of femtosecond laser-induced crystallization of glass, allowing improvement in the homogeneity of continuous crystalline tracks formed…”
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Effect of Pulse Repetition Rate on Ultrafast Laser-Induced Modification of Sodium Germanate Glass by Lotarev, Sergey V, Fedotov, Sergey S, Pomigueva, Alyona I, Lipatiev, Alexey S, Sigaev, Vladimir N

“…We report an unexpected pulse repetition rate effect on ultrafast-laser modification of sodium germanate glass with the composition 22Na O 78GeO . While at a…”
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Ultrafast-Laser-Induced Tailoring of Crystal-in-Glass Waveguides by Precision Partial Remelting by Lipatiev, Alexey S, Lotarev, Sergey V, Lipateva, Tatiana O, Fedotov, Sergey S, Lopatina, Elena V, Sigaev, Vladimir N

“…Space-selective laser-induced crystallization of glass enables direct femtosecond laser writing of crystal-in-glass channel waveguides having nearly…”
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One-Step Crystallization of Gahnite Glass-Ceramics in a Wide Thermal Gradient by Shakhgildyan, Georgiy Yu, Alekseev, Roman O., Golubev, Nikita V., Savinkov, Vitaliy I., Naumov, Andrey S., Presnyakova, Natalia N., Sigaev, Vladimir N.

“…The glass crystallization regime plays a crucial role in the fabrication of glass ceramics: it affects both phase composition and microstructure, and thus the…”
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Tuning the Coefficient of Thermal Expansion of Transparent Lithium Aluminosilicate Glass-Ceramics by a Two-Stage Heat Treatment by Naumov, Andrey S., Shakhgildyan, Georgiy Yu, Golubev, Nikita V., Lipatiev, Alexey S., Fedotov, Sergey S., Alekseev, Roman O., Ingat’eva, Elena S., Savinkov, Vitaliy I., Sigaev, Vladimir N.

“…Transparent glass-ceramics with a Li2O–Al2O3–SiO2 (LAS) system have been extensively utilized in optical systems in which thermal stability is of utmost…”
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Temperature Sensing with Nd3+ Doped YAS Laser Microresonators by Walo-Martín, Daniel, Paz-Buclatin, Franzette, Ríos, Susana, Martín, Inocencio R., Martin, Leopoldo L., Ródenas, Airán, Sigaev, Vladimir N., Savinkov, Vitaliy I., Shakhgildyan, Georgiy Y.

“…Yttria–alumina–silica (YAS) glass microspheres doped with Nd3+ ions were excited with a 532 nm continuous laser in order to study the dependency of the…”
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Defect-assisted photocatalytic activity of glass-embedded gallium oxide nanocrystals by Lorenzi, Roberto, Golubev, Nikita V., Ignat'eva, Elena S., Sigaev, Vladimir N., Ferrara, Chiara, Acciarri, Maurizio, Vanacore, Giovanni Maria, Paleari, Alberto

“…[Display omitted] The use of glassceramics in photocatalysis is an attractive option for the realization of smart optical fibers and self-cleaning windows…”
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Random networks of disconnected nanoparticles in dielectric layers as a source of electric responsivity by Remondina, Jacopo, Golubev, Nikita V., Ignat'eva, Elena S., Sigaev, Vladimir N., Acciarri, Maurizio, Paleari, Alberto, Lorenzi, Roberto

“…[Display omitted] •A general strategy is described for obtaining hysteretic conductivity and capacitance from charge percolation in disordered networks of…”
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Direct precipitation of CdS nanocrystals in glass by ultrafast laser pulses by Lipatiev, Alexey S., Shakhgildyan, Georgiy Yu, Vetchinnikov, Maxim P., Lee, Hojeong, Heo, Jong, Lotarev, Sergey V., Sigaev, Vladimir N.

“…•Direct precipitation of CdS quantum dots in glass by ultrafast laser pulses is shown.•Size of CdS nanocrystals increases from periphery to center of…”
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Growth of Fresnoite Single Crystal Tracks Inside Glass Using Femtosecond Laser Beam Followed by Heat Treatment by Lipatiev, Alexey S, Moiseev, Ivan A, Lotarev, Sergey V, Lipateva, Tatiana O, Presnyakov, Mikhail Yu, Fedotov, Sergey S, Sigaev, Vladimir N

“…We have studied the space-selective microcrystallization of barium titanium silicate glass under the femtosecond laser beam. The glass composition (mol %) was…”
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Lenticular Ga-oxide nanostructures in thin amorphous germanosilicate layers - Size control and dimensional constraints by Remondina, Jacopo, Trabattoni, Silvia, Sassella, Adele, Golubev, Nikita V., Ignat'eva, Elena S., Sigaev, Vladimir N., Acciarri, Maurizio, Schrode, Benedikt, Resel, Roland, Paleari, Alberto, Lorenzi, Roberto

“…Gallium incorporation in silicate glasses gives rise to compounds in which the nucleation and growth of Ga-oxide nanostructures can be designer controlled so…”
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Native amorphous nanoheterogeneity in gallium germanosilicates as a tool for driving Ga2O3 nanocrystal formation in glass for optical devices by Sigaev, Vladimir N, Golubev, Nikita V, Ignat'eva, Elena S, Champagnon, Bernard, Vouagner, Dominique, Nardou, Eric, Lorenzi, Roberto, Paleari, Alberto

“…Nanoparticles in amorphous oxides are a powerful tool for embedding a wide range of functions in optical glasses, which are still the best solutions in several…”
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Robust and adhesive-free joint of Nd:YAG crystals by femtosecond laser-assisted welding by Lipateva, Tatiana O., Okhrimchuk, Andrey G., Lipatiev, Alexey S., Karateev, Igor A., Fedotov, Sergey S., Lotarev, Sergey V., Shestakov, Alexander V., Sigaev, Vladimir N.

“…The strong, adhesive-free and heat resistant joint between two Nd:YAG crystals due to nanoperiodic amorphous nanoplanes is demonstrated by using the…”
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Donor–Acceptor Control in Grown‐in‐Glass Gallium Oxide Nanocrystals by Crystallization‐driven Heterovalent Doping by Paleari, Alberto, Golubev, Nikita V., Ignat'eva, Elena S., Sigaev, Vladimir N., Monguzzi, Angelo, Lorenzi, Roberto

“…Incorporation of doping ions in nanocrystals is a strategy for providing nanophases with functions directly related to ion features. At the nanoscale, however,…”
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Non-isothermal crystallization and nanostructuring in potassium niobium silicate glasses by Aronne, Antonio, Sigaev, Vladimir N, Pernice, Pasquale, Fanelli, Esther, Usmanova, Liliana Z

“…Potassium niobium silicate (KNS) glasses the composition of which is characterized by the K 2O/Nb 2O 5 molar ratio ranging from 0.85 to 1.2 and SiO 2 50–54…”
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Ultrafast Laser-Induced Crystallization of Lead Germanate Glass by Lotarev, Sergey V., Lipatiev, Alexey S., Lipateva, Tatiana O., Lopatina, Elena V., Sigaev, Vladimir N.

“…Laser-induced space-selective crystallization of glass enabling the growth of continuous crystal-in-glass architectures consisting of non-centrosymmetric…”
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Crystallization Behavior of Potassium Niobium Silicate Glasses by Pernice, Pasquale, Aronne, Antonio, Sigaev, Vladimir N., Sarkisov, Pavel D., Molev, Vladimir I., Stefanovich, Sergei Yu

“…Crystallization behavior of potassium niobium silicate (KNS) glasses having compositions expressed by the general formula xK2O·xNb2O5·(1 ‐ 2x)SiO2, with x=…”
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Spatially selective Au nanoparticle growth in laser-quality glass controlled by UV-induced phosphate-chain cross-linkage by Sigaev, Vladimir N, Savinkov, Vitaly I, Lotarev, Sergey V, Shakhgildyan, Georgiy Yu, Lorenzi, Roberto, Paleari, Alberto

“…Herein we describe how UV excitation of localized electronic states in phosphate glasses can activate structural rearrangements that influence the kinetics of…”
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The origin of nanostructuring in potassium niobiosilicate glasses by Raman and FTIR spectroscopy by Aronne, Antonio, Sigaev, Vladimir N., Champagnon, Bernard, Fanelli, Esther, Califano, Valeria, Usmanova, Liliana Z., Pernice, Pasquale

“…The structure of potassium niobium silicate glasses in a wide compositional range has been studied by means of Raman and FTIR spectroscopy. The glasses spectra…”
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Space-selective enhancement of blue photoluminescence in gallium germanosilicate glass through laser-induced nanostructuring by Lotarev, Sergey V., Lipatiev, Alexey S., Golubev, Nikita V., Ignat’eva, Elena S., Usmanova, Liliana Z., Priseko, Yury S., Lepekhin, Nikolay M., Paleari, Alberto, Sigaev, Vladimir N.

“…Crystalline gallium oxide is known to possess UV-excited blue photoluminescence together with one of the widest band gaps among transparent conducting oxides,…”
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