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Free-standing and overgrown InGaAs/GaAs nanotubes, nanohelices and their arrays

, , , , , , and . Physica E: Low-dimensional Systems and Nanostructures, 6 (1–4): 828--831 (2000)
DOI: 10.1016/S1386-9477(99)00249-0

Abstract

The possibility is shown to fabricate a wide class of free-standing nano-objects based on few monolayers thick scrolled heterostructures. Using an ultra-thin film (1 \ML\ GaAs:1 \ML\ InAs), nanotubes with an inside diameter of ≈2 nm have been obtained, which constitutes the limiting size for this system. Molecular-beam-expitaxy overgrown structures with nanotubes embedded into GaAs have been obtained.

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Free-standing and overgrown InGaAs/GaAs nanotubes, nanohelices and their arrays

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