Acoustic charge transport in GaN nanowires

J. Ebbecke, S. Maisch, A. Wixforth, R. Calarco, R. Meijers, M. Marso, H. Lüth

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

We present acoustic charge transport in GaN nanowires (GaN NWs). The GaN NWs were grown by molecular beam epitaxy (MBE) on silicon(111) substrates. The nanowires were removed from the silicon substrate, aligned using surface acoustic waves (SAWs) on the piezoelectric substrate LiNbO3 and finally contacted by electron beam lithography. Then, a SAW was used to create an acoustoelectric current in the GaN NWs which was detected as a function of radio-frequency (RF) wave frequency and its power. The presented method and our experimental findings open up a route towards new acoustic charge transport nanostructure devices in a wide bandgap material such as GaN. © IOP Publishing Ltd.

Original languageEnglish
Article number275708
JournalNanotechnology
Volume19
Issue number27
DOIs
Publication statusPublished - 9 Jul 2008

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