Search Results - "Nikolaev, D. N."
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Photoluminescence Study of AlGaAs/GaAs after Focused Ion Beam Milling
Published in Semiconductors (Woodbury, N.Y.) (01-12-2020)“…Light-emitting devices of modern photonics are based on the semiconductor structures containing layers with various physical parameters. To preserve initial…”
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Spectroscopic Studies of Integrated GaAs/Si Heterostructures
Published in Semiconductors (Woodbury, N.Y.) (01-01-2021)“…The purpose of the study is to investigate the effect of a new type of compliant substrates based on an AlGaAs superstructure layer (SL) and a protoporous Si…”
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Light Characteristics of Narrow-Stripe High-Power Semiconductor Lasers (1060 nm) Based on Asymmetric AlGaAs/GaAs Heterostructures with a Broad Waveguide
Published in Semiconductors (Woodbury, N.Y.) (01-04-2020)“…The emission characteristics of narrow mesa-stripe (5 . 5 μm) lasers based on asymmetric AlGaAs/GaAs heterostructures are studied. It is shown that the maximum…”
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Structural and Spectroscopic Studies of Epitaxial GaAs Layers Grown on Compliant Substrates Based on a Superstructure Layer and Protoporous Silicon
Published in Semiconductors (Woodbury, N.Y.) (01-01-2021)“…The purpose of the study is to investigate the effect of a new type of compliant substrate based on an AlGaAs superstructure layer (SL) and a protoporous Si…”
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5
High-Power Multimode Laser Diodes (λ = 976 nm) Based on Asymmetric Heterostructures with a Broadened Waveguide and Reduced Vertical Divergence
Published in Bulletin of the Lebedev Physics Institute (01-12-2023)“…The effect of the active region design on the vertical far-field divergence is studied for high-power laser diodes based on asymmetric heterostructures with a…”
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Single-Mode Lasers (1050 nm) of Mesa-Stripe Design Based on an AlGaAs/GaAs Heterostructure with an Ultra-Narrow Waveguide
Published in Semiconductors (Woodbury, N.Y.) (01-04-2020)“…The emission characteristics of single-mode lasers based on an AlGaAs/GaAs heterostructure with an ultra-narrow waveguide are studied. It is shown that using…”
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Annealing of FIB-Induced Defects in GaAs/AlGaAs Heterostructure
Published in Semiconductors (Woodbury, N.Y.) (01-12-2018)“…We present results of experiments concerning the loss of internal quantum efficiency of the GaAs/AlGaAs heterostructure due to the focused ion beam-induced…”
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Equation of State of Iron Oxide at a Pressure ≤1 TPa
Published in High temperature (01-04-2023)“…The thermophysical properties of shock-compressed porous iron oxide at pressures up to 1 TPa were determined for the first time. The results agree well with…”
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9
High peak optical power of 1ns pulse duration from laser diodes – low voltage thyristor vertical stack
Published in Optics express (28-10-2019)Get full text
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10
On the Effect of Etching with a Focused Ga+ Ion Beam in the Energy Range 12–30 keV on the Luminescent Properties of the Al0.18Ga0.82As/GaAs/Al0.18Ga0.82As Heterostructure
Published in Semiconductors (Woodbury, N.Y.) (01-06-2023)“…The effect of ion energy in a focused ion beam in the range 12–30 keV on the formation depth of nonradiative recombination centers during etching of the Al 0 …”
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Shock Compressibility of Single-Crystal Silicon in the Pressure Range 280–510 GPa
Published in High temperature (01-12-2022)“…The shock compressibility of single-crystal silicon is experimentally studied in the pressure range of 280 to 510 GPa. Shock waves are created using Mach’s…”
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Silicon Radiation at a Shock Compression Pressure of 68 GPa and During Unloading into a Vacuum
Published in High temperature (01-12-2022)“…In this study, the brightness temperatures of silicon shock-compressed to a pressure of P = 68 GPa and the evolution of its temperature during unloading are…”
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Synthesis of substituted imidazole-4,5-dicarboxylic acids
Published in Russian chemical bulletin (01-04-2019)“…The review summarizes literature data on various approaches to the synthesis of substituted imidazole-4,5-dicarboxylic acids ranging from assembly from…”
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Measurements of the Transmission of Silicon Under the Effect of the Radiation of Intense Shock Waves in Xenon
Published in High temperature (01-12-2022)“…The transmittance coefficient of silicon samples exposed to radiation of intense shock waves in xenon is measured. Shock waves are generated using the energy…”
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Measurement of dense plasma temperature of the shock‐compressed silicon
Published in Contributions to plasma physics (1988) (01-11-2021)“…Measurements of the brightness temperature and compressibility of a dense silicon plasma formed by powerful shock waves (SWs) passing through a single‐crystal…”
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16
Measurement of the Hugoniot Elastic Limit in Ideal Ceramics
Published in Glass physics and chemistry (01-12-2023)“…For the first time, a new ceramic “Ideal,” a diamond-silicon carbide composite obtained in the reaction-diffusion Turing process, which makes it possible to…”
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Experimental study of structural and optical properties of integrated MOCVD GaAs/Si(001) heterostructures
Published in Physica. B, Condensed matter (01-02-2018)“…This is the first report of the control of the structural and optical functional characteristics of integrated GaAs/Si(001) heterostructures due to the use of…”
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Synthesis of fullerene C60 monoadducts. Cyclopropanation of C60 with sulfonium ylides
Published in Russian journal of organic chemistry (01-07-2016)“…3′ H -Cyclopropa[1,9](C 60 - I h )[5,6]fullerene-3′-carboxylic acid can be synthesized in a good yield by cyclopropanation of fullerene C 60 with 2-(dimethyl-λ…”
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Unexpected formation of imidazole-4,5-dicarboxylic acid in the oxidation of 2-substituted benzimidazoles with hydrogen peroxide
Published in Russian journal of organic chemistry (01-10-2016)Get full text
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20
High‐explosive generators of dense low‐temperature plasma for proton radiography
Published in Contributions to plasma physics (1988) (01-02-2018)“…The article reviews the design and physical applications of high‐explosive generators for dense low‐temperature plasma. The PUMA proton microscope with…”
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