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Measuring the electrical properties of semiconductor nanowires using terahertz conductivity spectroscopy
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Friend, James, Tan, H. Hoe, Joyce, Hannah J., Docherty, Callum J., Yong, Chaw-Keong, Wong-Leung, Jennifer, Gao, Qiang, Paiman, Suriati, Tan, H. Hoe, Jagadish, C., Lloyd-Hughes, James, Herz, Laura M. and Johnston, Michael B. (2014) Measuring the electrical properties of semiconductor nanowires using terahertz conductivity spectroscopy. In: Micro/Nano Materials, Devices, and Systems, Melbourne, Australia, 8-11 Dec 2013. Published in: Proceedings of SPIE - International Society for Optical Engineering, Volume 8923 doi:10.1117/12.2049016 ISSN 0277-786X.
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Official URL: http://dx.doi.org/10.1117/12.2049016
Abstract
Accurately measuring the electronic properties of nanowires is a crucial step in the development of novel semiconductor nanowire-based devices. With this in mind, optical pump–terahertz probe (OPTP) spectroscopy is ideally suited to studies of nanowires: it provides non-contact measurement of carrier transport and dynamics at room temperature. OPTP spectroscopy has been used to assess key electrical properties, including carrier lifetime and carrier mobility, of GaAs, InAs and InP nanowires. The measurements revealed that InAs nanowires exhibited the highest mobilities and InP nanowires exhibited the lowest surface recombination velocity.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Proceedings of SPIE - International Society for Optical Engineering | ||||
Publisher: | S P I E - International Society for Optical Engineering | ||||
ISSN: | 0277-786X | ||||
Book Title: | Micro/Nano Materials, Devices, and Systems | ||||
Official Date: | January 2014 | ||||
Dates: |
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Volume: | Volume 8923 | ||||
DOI: | 10.1117/12.2049016 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | Micro/Nano Materials, Devices, and Systems | ||||
Type of Event: | Conference | ||||
Location of Event: | Melbourne, Australia | ||||
Date(s) of Event: | 8-11 Dec 2013 |
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