Search Results - "A. V. Leontyev"

Direct time integration algorithm with controllable numerical dissipation for structural dynamics: Two-step Lambda method by Leontyev, V.A.

“…In present paper the ability to control numerical dissipation is added to algorithm of two-step level-symmetric LS-2 integration method designed for numerical…”
Get full text

In-depth analysis of ITER-like samples composition using laser-induced breakdown spectroscopy by Mercadier, L., Semerok, A., Kizub, P.A., Leontyev, A.V., Hermann, J., Grisolia, C., Thro, P.-Y.

“…Laser-induced breakdown spectroscopic in-depth measurements were undertaken for two ITER-like calibrated multi-layered samples made of W-Mo or W/C layers on…”
Get full text

Features of the direction of the magnetization vector in a two-layer Fe/LiNbO3 system by Kamashev, A. A., Leontyev, A. V., Mamin, R. F., Garifullin, I. A.

“…Two-layer ferromagnet/ferroelectric heterostructures were studied, in which iron was used as the ferromagnetic layer and 41°Y-cut lithium niobate was used as…”
Get full text

Conductivity and photoconductivity of Ba0.8Sr0.2TiO3/LaMnO3 heterostructure by Chibirev, A. O., Leontyev, A. V., Garif'yanov, N. N., Mamin, R. F.

“…The results of the study of high conducting areas at the interface between ferroelectric and insulating oxides Ba 0.8 Sr 0.2 TiO 3 /LaMnO 3 are presented. It…”
Get full text

Study of the control of the magnetization vector of a ferromagnetic layer in a two-layer ferroelectric/ferromagnet system by Kamashev, A. A., Leontyev, A. V., Garifullin, I. A., Mamin, R. F.

“…The key element of superconducting spintronics is the superconducting spin valve, which may soon replace modern semiconductor devices. We offer a completely…”
Get full text

Conductivity and photoresistance of the film heterostructure Ba0.8Sr0.2TiO3/LaMnO3/Ba0.8Sr0.2TiO3 on the MgO substrate by Chibirev, A. O., Leontyev, A. V., Salikhov, T. M., Bannikov, M. I., Mamin, R. F.

“…The results of the study of high conducting areas at the interface between ferroelectric and insulating oxides Ba 0.8 Sr 0.2 TiO 3 /LaMnO 3 /Ba 0.8 Sr 0.2 TiO…”
Get full text

Photoresistance of a Ba0.8Sr0.2TiO3/LaMnO3/Ba0.8Sr0.2TiO3/MgO Film Heterostructure by Chibirev, A. O., Leontyev, A. V., Salikhov, T. M., Mamin, R. F.

“…—The negative photoconductivity effect is observed in the Ba 0.8 Sr 0.2 TiO 3 /LaMnO 3 /Ba 0.8 Sr 0.2 TiO 3 heterostructure on an MgO substrate when it is…”
Get full text

Controlling the Direction of Magnetization in the Ferromagnetic Layer of a Ferromagnet/Ferroelectric Bilayer Heterostructure by Kamashev, A. A., Leontyev, A. V., Garifullin, I. A., Mamin, R. F.

“…A study is performed of ferromagnet/ferroelectric bilayer heterostructures with cobalt ferromagnetic layers and 41°Y-cut lithium niobate ferroelectric…”
Get full text

Conductivity of a Ba0.8Sr0.2TiO3/LaMnO3/Ba0.8Sr0.2TiO3 Film Heterostructure by Chibirev, A. O., Leontyev, A. V., Bannikov, M. I., Mamin, R. F.

“…A study is performed of the temperature behavior of the electrical resistance of Ba 0.8 Sr 0.2 TiO 3 /LaMnO 3 /Ba 0.8 Sr 0.2 TiO 3 film heterostructures on MgO…”
Get full text

Light effect on the interface resistance of Ba0.8Sr0.2TiO3/LaMnO3 heterostructure by Leontyev, A. V., Chibirev, A. O., Kamashev, A. A., Garif'yanov, N. N., Mamin, R. F.

“…The results of the study of high conducting areas at the interface between ferroelectric and insulating oxides Ba 0.8 Sr 0.2 TiO 3 /LaMnO 3 are presented. It…”
Get full text

Effect of the Conditions of the Preparation of the Impregnating Solution and Heat Treatment on the Activity of Hydrotreating Catalysts by Arkhipova, I. A., Petrova, E. G., Leontyev, A. V., Fadeev, V. V., Zaglyadova, S. V., Kuptsov, A. Kh

“…A study was carried out on the quality of the cobalt carbonate raw material and heat treatment conditions on the activity of Co-Mo and Ni-Mo hydrotreating…”
Get full text

Hydrothermal Synthesis of NaYF4:Yb,Er Upconversion Nanoparticles and Modification of Their Surfaces for Biosensing by Mityushkin, E. O., Zharkov, D. K., Leontyev, A. V., Nurtdinova, L. A., Shmelev, A. G., Nikiforov, V. G.

“…NaYF 4 :Yb,Er upconversion nanoparticles are obtained via hydrothermal synthesis. To give nanoparticles hydrophilic properties without major changes in their…”
Get full text

The Precision Movement of Upconversion Nanoparticles on a Surface by Using Scanning Probe Microscopy by Chuklanov, A. P., Morozova, A. S., Nurgazizov, N. I., Mityushkin, E. O., Zharkov, D. K., Leontyev, A. V., Nikiforov, V. G.

“…The possibility of precise movement of YVO 4 :Yb,Er nanoparticles was studied in this work. Such nanoparticles exhibit upconversion luminescent properties and…”
Get full text

Photoinduced resistance of Ba0.8Sr0.2TiO3/LaMnO3 heterostructure by Leontyev, A. V., Zharkov, D. K., Pavlov, D. P., Shulyaev, D. A., Mamin, R. F., Kabanov, V. V.

“…The effect of green (514 nm) and ultraviolet (257 nm) pulsed laser light on Ba 0.8 Sr 0.2 TiO 3 /LaMnO 3 heterostructure electrical resistance was studied. In…”
Get full text

Testing Nanosensors Based on NaYF4:Yb,Er for Measuring Temperature in Biological Media by Leontyev, A. V., Nurtdinova, L. A., Mityushkin, E. O., Shmelev, A. G., Zharkov, D. K., Andrianov, V. V., Muranova, L. N., Gainutdinov, Kh. L, Nikiforov, V. G.

“…NaYF 4 :Yb,Er particles are synthesized hydrothermally in the form of rods with an average size of 1.4 µm × 70 nm. Their surfaces are modified with L-cysteine,…”
Get full text

Temperature Measurements Based on a Composite of Nanosized Phosphors [Ru(dipy)3]2+@SiO2 and NaYF4:Eu,Gd by Nurtdinova, L. A., Leontyev, A. V., Zharkov, D. K., Shmelev, A. G., Zairov, R. R., Mereshchenko, A. S., Fedorenko, S. V., Mustafina, A. R., Nikiforov, V. G.

“…Results are presented from testing the temperature of a two-phosphor composite ([Ru(dipy) 3 ] 2+ @SiO 2 and NaYF 4 :Eu, Gd) in order to determine the prospects…”
Get full text

NaYbF4:Er luminescence Anisotropy in a Large Ensemble and Single Nanoparticles by Shmelev, A. G., Mityushkin, E. O., Nurtdinova, L. A., Leontyev, A. V., Petrov, D. N., Zharkov, D. K., Nikiforov, V. G.

“…NaYbF 4 :Er upconversion nanorods are synthesized hydrothermally in 24 h at a temperature of 190°C. It is found that the luminescence spectrum contains intense…”
Get full text

Selective detection of intermolecular response in benzonitrile through double-pulse excitation in optical Kerr effect spectroscopy by Nikiforov, V. G., Zharkov, D. K., Shmelev, A. G., Leontyev, A. V., Lobkov, V. S.

“…We report on the decomposition of the molecular contribution to the optically heterodyne-detected optical Kerr effect (OHD-OKE) in benzonitrile C 6 H 5 CN in…”
Get full text

Investigation of the barium strontium titanate films on the silicon substrate by Pavlov, D. P., Batalov, R. I., Leontyev, A. V., Zharkov, D. K., Migachev, S. A., Lunev, I. V., Mukhortov, V. M., Shaposhnikova, T. S., Mamin, R. F.

“…A study of the electrical and photoelectric properties of the heterostructure of barium strontium titanate film on a silicon substrate was performed. The…”
Get full text

Features of the Photoinduced Electrical Resistivity of Ba0.8Sr0.2TiO3/LaMnO3 Heterostructures by Leontyev, A. V., Zharkov, D. K., Pavlov, D. P., Mamin, R. F.

“…A study is performed of the effect irradiation with a series of ultrafast laser pulses at wavelengths of 514 and 257 nm has on the electrical resistivity of Ba…”
Get full text