Electrical properties of self-assembled branched InAs nanowire junctions |
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Authors: | Suyatin Dmitry B Sun Jie Fuhrer Andreas Wallin Daniel Fröberg Linus E Karlsson Lisa S Maximov Ivan Wallenberg L Reine Samuelson Lars Xu H Q |
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Affiliation: | Division of Solid State Physics and The Nanometre Structure Consortium, Lund University, Box 118, S-221 00 Lund, Sweden. |
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Abstract: | We investigate electrical properties of self-assembled branched InAs nanowires. The branched nanowires are catalytically grown using chemical beam epitaxy, and three-terminal nanoelectronic devices are fabricated from the branched nanowires using electron-beam lithography. We demonstrate that, in difference from conventional macroscopic junctions, the fabricated self-assembled nanowire junction devices exhibit tunable nonlinear electrical characteristics and a signature of ballistic electron transport. As an example of applications, we demonstrate that the self-assembled three-terminal nanowire junctions can be used to implement the functions of frequency mixing, multiplication, and phase-difference detection of input electrical signals at room temperature. Our results suggest a wide range of potential applications of branched semiconductor nanostructures in nanoelectronics. |
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