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Strong Hot Carrier Effects in Single Nanowire Heterostructures

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.

CollectionsANU Research Publications
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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