Search Results - "Toporkov, M."

Determination of the electron-capture coefficients and the concentration of free electrons in GaN from time-resolved photoluminescence by Reshchikov, M. A., McNamara, J. D., Toporkov, M., Avrutin, V., Morkoç, H., Usikov, A., Helava, H., Makarov, Yu

“…Point defects in high-purity GaN layers grown by hydride vapor phase epitaxy are studied by steady-state and time-resolved photoluminescence (PL). The…”
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Effect of oxygen-to-metal flux ratio on incorporation of metal species into quaternary BeMgZnO grown by plasma-assisted molecular beam epitaxy by Toporkov, M., Ullah, M.B., Demchenko, D.O., Avrutin, V., Morkoç, H., Özgür, Ü.

“…•VI/II ratio 1.0–0.6 is varied during the MBE growth of BeMgZnO epitaxial films.•Bandgap modulated from 4.0eV to 4.5eV.•The c lattice parameter changed from…”
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Enhancement of Be and Mg incorporation in wurtzite quaternary BeMgZnO alloys with up to 5.1 eV optical bandgap by TOPORKOV, M, AVRUTIN, V, OKUR, S, IZYUMSKAYA, N, DEMCHENKO, D, VOLK, J, SMITH, D. J, MORKOC, H, ÖZGÜR, Ü

“…A wide range of optical bandgap modulation up to 5.1 eV was achieved for quaternary BeMgZnO thin films prepared using plasma assisted molecular beam epitaxy,…”
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Neurological Aspects of Systemic Lupus Erythematosus in Individuals with Late Ontogenetic Debut by Odin, V. I., Yurkina, E. A., Yurkin, A. K., Toporkov, M. M., Shvartsman, G. I., Pervova, E. M.

“…The review presents the analysis of publications about the peculiarities of the manifestation of systemic lupus erythematosus (SLE) in individuals of older age…”
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Nondestructive atomic compositional analysis of BeMgZnO quaternary alloys using ion beam analytical techniques by Zolnai, Z., Toporkov, M., Volk, J., Demchenko, D.O., Okur, S., Szabó, Z., Özgür, Ü., Morkoç, H., Avrutin, V., Kótai, E.

“…•BeMgZnO thin layers were grown with plasma-assisted molecular beam epitaxy (MBE).•The Be contents were accurately measured with RBS and proton elastic…”
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Mathematical modeling of flows in wind turbines with a vertical axis by P’yankov, K. S., Toporkov, M. N.

“…Flow in the rotors of wind turbines with a vertical axis of the Darrieus-Savonius type and their combinations is considered within the framework of the…”
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Evaluation of Asynchronous Traction Motor Losses when Operating from a Frequency Converter by Zhilin, O. A., Toporkov, D. M.

“…This article is devoted to the evaluation of additional power losses that occur in an asynchronous traction motor operating from a frequency converter. An…”
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Torque Pulsations in Machines with Fractional Slot Windings and Permanent Magnets by Babitsky, D. Yu, Toporkov, D. M., Heinrich, G. O.

“…A study of torque pulsations in electrical machines with fractional slot windings and permanent magnets has been carried out. The design of a magnetic system…”
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Application of a Magnetically Conductive Wedge in the Stator Design of Synchronous Salient-Pole Machines with Fractional-Slot Tooth Winding by Popov, I. L., Toporkov, D. M., Babitsky, D. Yu

“…Often, one of the requirements put forward when designing synchronous machines with electromagnetic excitation is a low shaft speed, but it is not always…”
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Interaction of Highly Automated Vehicles with Personal Mobility Devices in the Urban Environment by Andreev, A. N., Toporkov, M. A., Furletov, Yu. M., Alexeenkov, M. I.

“…The article is describing an issue of interaction between a person moving with the help of personal mobility devices (PMD) and other participants in the…”
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Optimization of Hydrogenerator Rotor Geometry with a Fractional Slot Concentrated Winding for the TPPs and Small HPPs by Popov, I. L., Toporkov, D. M.

“…Generators of tidal and small hydroelectric power stations usually work together with a multiplier or a frequency converter. Using a fractional single-tooth…”
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Effect of Permanent-Magnet Temperature and Rotor-Magnet-System Design on the External Characteristic of a Magnetoelectrically Excited Generator Operating in an Autonomous Load Mode by Babitsky, D. Yu, Toporkov, D. M.

“…That adjusting excitation flux in the case of permanent-magnet generators is impossible is the reason for special requirements for the external characteristic…”
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Sound Source Direction of Arrival Estimation for Autonomous Driving Applications by Furletov, Yu. M., Ivanov, A. M., Shadrin, S. S., Toporkov, M. A.

“…In the article, the authors introduce method for sound source direction of arrival estimation in application to autonomous driving systems. Since autonomous…”
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A Methodology for Recalculation of Parameters of Submersible Induction Motors Operating in Nonnominal Modes by Toporkov, D. M., Domakhin, E. A., Fakhreeva, V. V., Lobacheva, A. S., Chusovitin, G. N.

“…In this paper, we consider methods for calculating nonnominal operating modes of induction motors used in wells with individual characteristics. The results of…”
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Virtual Advanced Driver-Assistance Systems Tests by Gaevskiy, V. V., Popov, N. V., Kristalniy, S. R., Toporkov, M. A., Andreev, A. N.

“…The article deals with the issue of testing highly automated vehicles (HAVs). Particular attention is paid to virtual testing using hardware-software complex…”
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Methods to Improve the Harmonic Composition of the Magnetic Field in Electric Machines with Fractional Slot Winding by Babitskii, D. Yu, Toporkov, D. M., Pristup, A. G., Temlyakova, Z. S.

“…A specific feature of fractional slot windings is the harmonic composition of the magnetic field that contains a number of nonworking harmonics having adverse…”
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Experience of Using a Moving Pedestrian Model in Tests of Automatic Emergency Braking System by Kristalniy, S. R., Popov, N. V., Gaevskiy, V. V., Andreev, A. N., Toporkov, M. A.

“…The article substantiates the necessity of testing modern electronic driver assistance systems. The results of the experimental study of the performance of the…”
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Evaluation of myocardial damage in different types of rheumatoid arthritisduring disease-modifying antirheumatic drug or biological therapy (with infliximab) by Mazurov, V I, Kol'tsov, Andrey Valentinovich, Toporkov, M M, Kachnov, V A, Tsygan, E N, Tyrenko, V V, Trufanov, T E, Zheleznyak, I S, Nikitin, A E, Dolgikh, S V, Shul'man, Yu B, Koltsov, Andrei Valentinovich, Trufanov, G E, Shulman, Yu B

“…Objective. To estimate the extent and pattern of myocardial damage in different types of rheumatoid arthritis (RA) during disease-modifying antirheumatic drug…”
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Refractories used in OAO Severstal’ converter production by Mal’tsev, A. B., Efimov, S. V., Toporkov, M. V., Smirnov, D. E., Moiseev, A. A.

“…A set of measures implemented in OAO Severstal' converter production for improving the quality of refractory materials used is described. The measures carried…”
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Optimization of the system of medical service of students of Cadet Schools of the Ministry of Defense of the Russian Federation by Toporkov, M T, Mikheev, A V, Tsiteladze, A A

“…One of the factors of the successful military career guidance Cadet schools students is preserving and promoting their health. Medical support of children and…”
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