Search Results - "MOSHEGOV, N. T"

Modification of photoelectrical and optical properties of GaAs/AlGaAs quantum-well IR-photodetectors by radiation by Akhmetov, V.D., Gorokhov, E.B., Moshegov, N.T., Toropov, A.I.

“…Changes of dark current, photocurrent under black body illumination, IR photoconductivity and IR intersubband absorption spectra caused by 3.5 MeV…”
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All-metal ultrahigh vacuum optical fiber feedthrough by Miller, D. L., Moshegov, N. T.

“…We describe the design and performance of an inexpensive bakeable ultrahigh vacuum-compatible metal-sealed optical fiber feedthrough. A machined aluminum plug…”
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Resonant Raman scattering in GaAs/AlAs superlattices under electric fields by SHIELDS, A. J, TRALLERO-GINER, C, CARDONA, M, GRAHN, H. T, PLOOG, K, HAISLER, V. A, TENNE, D. A, MOSHEGOV, N. T, TOROPOV, A. I

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Correlation between structural and optical properties of InAs quantum dots along their evolution by da Silva, M.J, Quivy, A.A, González-Borrero, P.P, Moshegov, N.T, Marega, E

“…The growth of highly inhomogeneous samples is presented as a suitable way to investigate the continuous evolution of self-assembled InAs quantum dots as a…”
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Strain relaxation-induced modifications of the optical properties of self-assembled InAs quantum dot superlattices by Petitprez, E., Moshegov, N. T., Marega, E., Mazel, A., Dorignac, D., Fourmeaux, R.

“…We have investigated self-assembled InAs quantum dot superlattices using photoluminescence and transmission electron microscopy. We report results regarding…”
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Quantum Hall effect in a wide parabolic well by Gusev, G.M, Leite, J.R, Olshanetskii, E.B, Moshegov, N.T, Toropov, A.I, Maude, D.K, Casse, M, Portal, J.C

“…We examine the activated conductivity for Landau levels at filling factors N=1,2 in a parabolic AlxGa1−xAs well down to 30mK. We assume that the possible…”
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Combined silicon, beryllium, and carbon tetrabromide single-port dopant source for molecular-beam epitaxy by Moshegov, N. T., Nordquist, C. D., Cai, W. Z., Mayer, T. S., Lubyshev, D. I., Miller, D. L.

“…We report the design and the performance of a compact dopant source that combines silicon, beryllium, and carbon tetrabromide in a single port of a…”
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Commensurability oscillations in a stripe-shaped two-dimensional electron gas by Trindade dos Santos, M., Gusev, G.M., Leite, J.R., Bykov, A.A., Moshegov, N.T., Kudryashev, V.M., Toropov, A.I., Nastaushev, Yu.V.

“…We have studied the commensurability oscillations for a nonplanar, two-dimensional electron gas which is confined to a surface spatially modulated both in the…”
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Commensurability oscillations in wide parabolic well in the presence of an in-plane magnetic field by Sotomayor Choque, N.M, Gusev, G.M, Leite, J.R, Bykov, A.A, Litvin, L.V, Moshegov, N.T, Toropov, A.I

“…The commensurability oscillations in antidot lattices with different periods are studied in the tilted magnetic field in wide parabolic quantum well with five…”
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Magnetoresistance in a stripe-shaped two-dimensional electron gas by Bykov, A.A, Gusev, G.M, Leite, J.R, Moshegov, N.T, Bakarov, A.K, Toropov, A.I, Maude, D.K, Portal, J.C

“…We measure large positive magnetoreistance in a nonplanar stripe-shaped two-dimensional electron gas (2DEG) in magnetic field up to 28T. If the applied…”
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Investigation of the InAs/GaAs self-assembled quantum dots using the relationship between the capacitance and the density of states by Chiquito, A.J, Pusep, Yu.A, Mergulhão, S, Galzerani, J.C, Moshegov, N.T

“…A negative differential capacitance observed in the InAs/GaAs self-assembled quantum dots is shown to be an essential feature of the zero-dimensional electron…”
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Forward Raman scattering in GaAs/AlAs superlattices: Study of optical phonon anisotropy by Tenne, D.A., Haisler, V.A., Moshegov, N.T., Toropov, A.I., Shebanin, A.P., Zahn, D.R.T.

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Magnetooscillations in a wide parabolic well in the presence of an in-plane magnetic field by Gusev, G.M., Leite, J.R., Moshegov, N.T., Toropov, A.I.

“…The magnetoresistance oscillations in a wide parabolic quantum well are investigated at low temperatures in a tilted magnetic field. Magnetooscillations in the…”
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Magnetooscillations of electrons in nonparabolic confining potential by Gusev, G.M., Leite, J.R., Olshanetskii, E.B., Maude, D.K., Cassé, M., Portal, J.C., Moshegov, N.T., Toropov, A.I.

“…Shubnikov–de Haas (SdH) oscillations induced by the small additional perpendicular field are investigated in overfilled parabolic quantum well in the presence…”
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Transformation of quantum size levels into virtual levels at the boundary between p-GaAs and an AlAs/GaAs superlattice by Al’perovich, V. L., Tkachenko, B. A., Tkachenko, O. A., Moshegov, N. T., Toropov, A. I., Yaroshevich, A. S.

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2D lattice of coupled Sinai billiards: metal or insulator at g ≪ 1? by Budantsev, M.V., Kvon, Z.D., Pogosov, A.G., Gusev, G.M., Portal, J.C., Maude, D.K., Moshegov, N.T., Toropov, A.I.

“…We investigate the transport in a two-dimensional (2D) lattice of coupled Sinai billiards fabricated on the basis of a high-mobility 2D electron gas in a…”
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Effects of Annealing on Electrical Coupling in a Multilayer InAs/GaAs Quantum Dots System by Chiquito, A J, Pusep, Y A, Mergulhao, S, Galzerani, J C, Moshegov, N T

“…We present a systematic investigation of the capacitance–voltage measurements and Raman scattering on a multilayer InAs/GaAs self-assembled quantum dots system…”
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Anisotropy of optical phonons in semiconductor superlattices: Raman scattering experiments by Ténné, D. A., Gaisler, V. A., Moshegov, N. T., Toropov, A. I., Shebanin, A. P.

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Thermostabilization of Electrical Properties of InAs/GaAs Self-Assembled Quantum Dots Embedded in GaAs/AlAs Superlattices by Chiquito, A J, Pusep, Y A, Mergulhao, S, Galzerani, J C, Moshegov, N T, Miller, D L

“…The electrical characteristics of the self-assembled quantum dots embbeded in GaAs wells of the GaAs/AlAs superlattices were studied by capacitance…”
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Coherence properties of submicron GaAs/AlGaAs rings with a ferromagnetic gate by Bykov, A.A., Olshanetsky, E.B., Litvin, L.V., Moshegov, N.T., Toropov, A.I., Gusev, G.M.

“…In the present work, the Aharonov–Bohm effect in submicron GaAs/AlGaAs ring with an in-plane ferromagnetic gate is investigated. The experiment is based on the…”
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