Journal
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volume 40, Issue 5, Pages 1569-1572Publisher
ELSEVIER
DOI: 10.1016/j.physe.2007.09.175
Keywords
quantum wires; nanostructures; Coulomb drag; vertical geometry
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We report the details of design and fabrication of independently contacted, vertically coupled quantum wires using the epoxy-bond-and-stop-etch (EBASE) technique. These nanostructures are fabricated in high quality GaAs/AlGaAs parallel double quantum well heterostructures and are intended for Coulomb drag measurements of quantum wires. They will allow us to explore Coulomb drag in one-dimensional structures in a regime of small interlayer separation where the drag signal is expected to be stronger and less affected by phonon drag. (C) 2007 Elsevier B.V. All rights reserved.
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