Physical Review Letters · 1986 · 364 citations · 10 references
EngineeringElectrical EngineeringPhysicsCondensed Matter PhysicsSemiconductor DevicesSemiconductor MaterialsSemiconductor HeterostructuresSemiconductor PhysicsTwo-dimensional SemiconductorsElectron-electron InteractionsHeterojunctionsMagnetic SemiconductorsShubnikov-de Haas OscillationsSubband Structure
We present results on the transverse magnetoconductance in the range 0.3 to 8 T of a narrow, variable-width channel in a GaAs:AlGaAs heterojunction. As the width of the channel is decreased below 0.25 \ensuremath{\mu}m the structure in the magnetoconductance changes from Shubnikov-de Haas oscillations to the magnetic depopulation of one-dimensional subbands. A semiclassical WKB calculation is presented which gives good agreement with experiment.
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One-Dimensional Conduction in the 2D Electron Gas of a GaAs-AlGaAs Heterojunction
T. J. Thornton, M. Pepper, H. Ahmed et al. · Physical Review Letters · 1986 · 636 citations
Electron states in narrow gate-induced channels in Si
Steven E. Laux, Frank Stern · Applied Physics Letters · 1986 · 230 citations