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- Novosibirsk State UniversityRU229 papers
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8 papers · 1 filter
Giant Magnetoresistance Oscillations Induced by Microwave Radiation and a Zero-Resistance State in a 2D Electron System with a Moderate Mobility
A. A. Bykov, A. K. Bakarov, D. R. Islamov +1
The effect of a microwave field in the frequency range from 54 to 140 on the magnetotransport in a GaAs quantum well with AlAs/GaAs superlattice barriers and with an…
Theory of one-dimensional double-barrier quantum pump in two-frequency signal regime
M. M. Mahmoodian, M. V. Entin
A one-dimensional system with two -like barriers or wells bi-chromaticaly oscillating at frequencies and is considered. The alternating signal leads to the direct curre…
Electron transport through antidot superlattices in heterostructures: new magnetoresistance resonances in lattices with large diameter antidots
E. B. Olshanetsky, Vincent Thomas Francois Renard, Z. D. Kvon +2
In the present work we have investigated the transport properties in a number of Si/SiGe samples with square antidot lattices of different periods. In samples with lattice periods…
Effect of DC electric field on longitudinal resistance of two dimensional electrons in a magnetic field
Jing-qiao Zhang, Sergey Vitkalov, A. A. Bykov +2
The effect of a DC electric field on the longitudinal resistance of highly mobile two dimensional electrons in heavily doped GaAs quantum wells is studied at different magnetic fie…
Electron transport and optical properties of shallow GaAs/InGaAs/GaAs quantum wells with a thin central AlAs barrier
V. A. Kulbachinskii, I. S. Vasil'evskii, R. A. Lunin +5
Shallow GaAs/InGaAs/GaAs quantum well structures with and without a three monolayer thick AlAs central barrier have been investigated for different well widths and Si doping levels…
Pauli blockade of the electron spin flip in bulk GaAs
A. Amo, L. Vina, P. Lugli +3
By means of time-resolved optical orientation under strong optical pumping, the k-dependence of the electron spin-flip time (t_sf) in undoped GaAs is experimentally determined. t_s…