Strong Hot Carrier Effects in Single Nanowire Heterostructures
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Abbasian Shojaei, Iraj; Linser, Samuel; Jnawali, Giriraj; Wickramasuriya, N.; Jackson, Howard E.; Smith, Leigh M.; Kargar, Fariborz; Balandin, Alexander A.; yuan, xiaoming; Caroff, Philippe; Tan, Hark Hoe; Jagadish, Chennupati
Description
We use transient Rayleigh scattering to study the thermalization of hot photoexcited carriers in single GaAs0.7Sb0.3/InP nanowire heterostructures. By comparing the energy loss rate in single core-only GaAs0.7Sb0.3 nanowires which do not show substantial hot carrier effects with the core–shell nanowires, we show that the presence of an InP shell substantially suppresses the longitudinal optical phonon emission rate at low temperatures which then leads to strong hot carrier effects.
Collections | ANU Research Publications |
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Date published: | 2019-06-26 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/205673 |
Source: | Nano Letters |
DOI: | 10.1021/acs.nanolett.9b01345 |
Access Rights: | Open Access |
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File | Description | Size | Format | Image |
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1810.12516.pdf | Author Accepted Manuscript | 939.68 kB | Adobe PDF |
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