Plasmonic response of III-V semiconductor core/shell nanowires studied by pump-probe terahertz spectroscopy

Fotev, I.; Balaghi, L.; Shan, S.; Hübner, R.; Schmidt, J.; Schneider, H.; Helm, M.; Dimakis, E.; Pashkin, A.

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Plasmonic response of III-V semiconductor core/shell nanowires studied by pump-probe terahertz spectroscopy

Fotev, I.; Balaghi, L.; Shan, S.; Hübner, R.; Schmidt, J.; Schneider, H.; Helm, M.; Dimakis, E.; Pashkin, A.

Abstract

We utilize ultrafast optical pump – terahertz probe spectroscopy in order to investigate charge carrier response of GaAs nanowires with InxGa1-xAs and InxAl1-xAs shells. The estimated electron mobilities reach 4000 cm2V−1s−1 and the carrier lifetimes range from 100 to 300 ps depending on the type of the shell.

Keywords: nanowires; terahertz; mobility

Poster
6th EOS Topical Meeting on Terahertz Science & Technology, 06.-09.05.2018, Berlin, Germany

Permalink: https://www.hzdr.de/publications/Publ-27621