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The plasmon properties of generalized Fibonacci type I and type II semiconductor superlattices are studied by a dynamical‐map method. It is shown that the plasmon spectra are Cantor‐set‐like, i.e ...
We report on experiment and theory of the evolution of the electric field in undoped GaAs/AlGaAs semiconductor superlattices subjected to femtosecond optical excitation . We performed time-resolved ...
Moiré excitons are emergent optical excitations in two-dimensional semiconductors with moiré superlattice potentials. Although these excitations have been observed on several platforms, a system ...
Abstract: Moiré excitons are emergent optical excitations in 2D semiconductors with deep moiré superlattice potentials. While these excitations have been realized in several platforms, a system ...
in the occupancy of traps at lower excitation densities . ISSN 1063-7826, Semiconductors , 2018, Vol. 52, No. 7, pp. 864–869. © Pleiades Publishing, Ltd., 2018. Original Russian Text © D.S. Ponomarev, R.A. Khabibullin ...
built-in space charge fields and low recombination rates. Due to the long recombination lifetimes a high density electron hole plasma can be generated by extremely low power optical excitation ...
-subband charge and spin density excitations are determined. The results are used to interpret the features observed in recent measurements of the Raman spectra of AlGaAs/GaAs quantum wires, particularly ...
The photo-Hall effect in a new type of periodicp-n doping multilayer structures ( superlattices ) of GaAs grown by molecular beam epitaxy has been investigated. In these space charge systems electrons ...
propose a series of charge -ordered states at commensurate filling fractions that range from generalized Wigner crystals7 to charge density waves. Our study lays the groundwork for using moiré superlattices ...
Two-dimensional semiconductor moiré superlattices have emerged as a powerful platform for engineering correlated electronic phenomena. On the other hand, optical excitation creates charge neutral ...
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