Electrical detection of picosecond acoustic pulses in vertical transport devices with nanowires

E.S.K. Young, A.D. Bouravleuv, G.E. Cirlin, Veer Dhaka, Harri Lipsanen, M. Tchernycheva, A.V. Scherbakov, A.V. Platonov, A.V. Akimov, A.J. Kent

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Abstract

Picosecond acoustic pulses, generated in a thin aluminum transducer, are injected into semiconductor vertical transport devices consisting of core-shell GaAsP nanowires. The acoustic pulses induce current pulses in the device with amplitude ∼1 μA. The spectrum of the electrical response is sensitive to the elastic properties of the device and has a frequency cutoff at ∼10 GHz. This work shows the potential of the technique for studies the elastic properties of complex semiconductor nanodevices.
Original languageEnglish
Article number062102
Pages (from-to)1-4
Number of pages4
JournalApplied Physics Letters
Volume104
Issue number6
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

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