Search Results - "Shamshur, D. V."

Anomalous Hall Effect in GaAs–AlGaAs Quantum Wells Doped by Nonmagnetic Impurities near the Metal–Insulator Transition by Agrinskaya, N. V., Mikhailin, N. Yu, Shamshur, D. V.

“…We report on the results of experiments indicating the existence of the anomalous Hall effect associated with the ferromagnetic ordering of spins of localized…”
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Spin Glass and Isotropic Negative Magnetoresistance in GaAs–AlGaAs Quantum Wells with a Virtual Anderson Transition by Shumilin, A. V., Kozub, V. I., Agrinskaya, N. V., Mikhailin, N. Yu, Shamshur, D. V.

“…We report on the results of experiments indicating the existence of spin glass in beryllium-doped GaAs–AlGaAs quantum wells with a virtual Anderson transition…”
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Spin-controlled negative magnetoresistance resulting from exchange interactions by Agrinskaya, N. V., Kozub, V. I., Mikhailin, N. Yu, Shamshur, D. V.

“…We studied conductivity of AlGaAs–GaAs quantum well structures (where centers of the wells were doped by Be) at temperatures higher than 4 K in magnetic fields…”
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Superconducting Properties of Indium Nanostructured in Pores of Thin Films of SiO2 Microspheres by Mikhailin, N. Yu, Romanov, S. G., Kumzerov, Yu. A., Fokin, A. V., Shamshur, D. V.

“…Samples of a superconducting indium nanocomposite based on a thin-film porous dielectric matrix prepared by the Langmuir–Blodgett method are obtained for the…”
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Low-Temperature Magnetic Properties of Superconducting Indium Nanocomposites in Opal Matrix by Mikhailin, N. Yu, Galperin, Y. M., Kozub, V. I., Kumzerov, Yu. A., Volkov, M. P., Romanov, S. G., Fokin, A. V., Shamshur, D. V.

“…We studied magnetic properties of the In–opal nanocomposite, which is a close-packed system of SiO 2 spheres of the same diameter D with metal-filled cavities…”
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Influence of disorder on the superconducting critical temperature in indium-opal nanocomposites by Zakharchuk, I., Januzaj, A., Mikhailin, N.Yu, Traito, K.B., Chernyaev, A.V., Romanov, S.G., Safonchik, M., Shamshur, D.V., Lähderanta, E.

“…•Enhancement of the superconducting critical temperature in bulk indium-opal and indium-porous glass nanocomposites.•A strongly non-monotonous dependence of…”
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Activation conductivity and superconducting state in solid solutions (PbzSn1-z)0.8In0.2Te by Denisov, D.V., Yu. Mikhailin, N., Rudominskiy, A.E., Parfeniev, R.V., Shamshur, D.V.

“…•Resistivity of (PbzSn1-z)0.8In0.2Te solid solutions with various z was studied.•Metallic conductivity observed for z ≤ 0.4, activation conductivity for z ≥…”
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Size Dependences of the Magnetic Properties of Superconducting Lead–Porous Glass Nanostructures by Mikhailin, N. Yu, Shamshur, D. V., Parfen’ev, R. V., Kozub, V. I., Gal’perin, Yu. M., Kumzerov, Yu. A., Fokin, A. V.

“…Superconducting structures Pb–PG formed by filling a porous glass matrix with the lead from melt under pressure have been investigated. Samples with…”
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Superconducting properties of (Pb0.05Sn0.95)Te doped with indium under conditions of hydrostatic compression by Mikhailin, N. Yu, Parfeniev, R. V., Chernyaev, A. V., Shamshur, D. V., Andrianov, G. O.

“…The superconducting properties of Pb 0.05 Sn 0.95 Te semiconductor alloy doped with 5 at % of In are investigated at a hydrostatic pressure of P < 7 kbar. At…”
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Electrical and Magnetic Properties of Pb and In Nanofilaments in Asbestos near the Superconducting Transition by Chernyaev, A. V., Mikhailin, N. Yu, Shamshur, D. V., Kumzerov, Yu. A., Fokin, A. V., Kalmykov, A. E., Parfen’ev, R. V., Sorokin, L. M., Lashkul, A.

“…Bulk nanocomposites based on superconducting metals Pb and In embedded into matrices of natural chrysotile asbestos with the nanotube internal diameter d ~ 6…”
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Exponential Increase in the Resistivity upon Cooling and Superconductivity in Indium-Doped Pb0.45Sn0.55Te by Andrianov, G. O., Galperin, Yu. M., Kozub, V. I., Mikhailin, N. Yu, Parfen’ev, R. V., Shamshur, D. V., Chernyaev, A. V.

“…We have analyzed the temperature and magnetic-field dependences of resistivity ρ( T, H ) of semiconducting compound Pb 0.45 Sn 0.55 Te doped with 5 at % In…”
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Slow relaxation of magnetoresistance in AlGaAs-GaAs quantum well structures quenched in a magnetic field by Agrinskaya, N V, Kozub, V I, Shamshur, D V, Shumilin, A V, Galperin, Y M

“…We observed a slow relaxation of the magnetoresistance in response to an applied magnetic field in selectively doped p-GaAs-AlGaAs structures with a partially…”
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Negative magnetoresistance in SiC heteropolytype junctions by Lebedev, Alexander Alexandrovich, Abramov, P. L., Agrinskaya, N. V., Kozub, V. I., Kuznetsov, A. N., Lebedev, S. P., Oganesyan, G. A., Sorokin, L. M., Chernyaev, A. V., Shamshur, D. V.

“…In this study, we carried out for the first time a galvanomagnetic investigation of 3C–SiC/6H–SiC heterostructures at liquid-helium temperatures and observed…”
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Superconductor-insulator transition in (PbzSn1−z )0.84In0.16Te by Kozub, V. I., Parfen’ev, R. V., Shamshur, D. V., Shakura, D. V., Chernyaev, A. V., Nemov, S. A.

“…The superconductor-insulator transition that occurs at liquid helium temperatures in the (PbzSn1−z)0.84In0.16Te semiconductor system with varying lead…”
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Superconductivity and magnetism in In-doped lead-tin tellurides by Parfeniev, R.V., Shamshur, D.V., Shakhov, M.A., Chrapkiewicz, Zb

“…Our studies of solid solutions PbzSn1−zTe doped with In have concentrated on checking for a superconducting transition in the temperature variation of both the…”
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Thermomagnetic instability in superconducting lead-porous glass nanocomposites by Shitov, A.E., Mikhailin, N.Yu, Kumzerov, Yu.A., Shamshur, D.V.

“…In this paper we examine the mechanisms leading to thermomagnetic instability in nanostructured materials and study their regularities. The appearance of…”
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Superconducting transition in resistivity and magnetization of the solid solution (Pb0.4Sn0.6)0.8In0.2Te by Denisov, D.V., Mikhailin, N.Yu, Shamshur, D.V., Parfeniev, R.V.

“…•Superconductivity in (Pb0.4Sn0.6)0.8In0.2Te semiconductor solid solution studied.•Critical parameters of superconducting transition tc ≈ 4 K and Hc2(0) ≈ 27.5…”
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Thermomagnetic instabilities in 3D network of superconducting lead nanofilaments in porous glass by Shitov, A E, Mikhailin, N Y, Kumzerov, Y A, Shamshur, D V, Volkov, M P

“…Abstract Thermomagnetic instabilities in the lead-porous glass (Pb-PG) nanocomposite in superconducting state were studied, and a model was proposed that…”
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Electrical Conductivity and Superconductivity of Ordered Indium–Opal Nanocomposites by Shamshur, D. V.

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Transition from strong to weak localization in the split-off impurity band in two-dimensional p-GaAs/AlGaAs structures by Agrinskaya, N. V., Kozub, V. I., Poloskin, D. V., Chernyaev, A. V., Shamshur, D. V.

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