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Significantly enhanced thermal conductivity of indium arsenide nanowires via sulfur passivation.
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ABSTRACT: Abstarct
In this work, we experimentally investigated the effect of sulfur passivation on thermal transport in indium arsenide (InAs) nanowires. Our measurement results show that thermal conductivity can be enhanced by a ratio up to 159% by sulfur passivation. Current-voltage (I-V) measurements were performed on both unpassivated and S-passivated InAs nanowires to understand the mechanism of thermal conductivity enhancement. We observed a remarkable improvement in electrical conductivity upon sulfur passivation and a significant contribution of electrons to thermal conductivity, which account for the enhanced thermal conductivity of the S-passivated InAs nanowires.
SUBMITTER: Xiong Y
PROVIDER: S-EPMC5643329 | biostudies-literature | 2017 Oct
REPOSITORIES: biostudies-literature
Publications
Significantly enhanced thermal conductivity of indium arsenide nanowires via sulfur passivation.
Scientific reports 20171016 1
<h4>Abstarct</h4>In this work, we experimentally investigated the effect of sulfur passivation on thermal transport in indium arsenide (InAs) nanowires. Our measurement results show that thermal conductivity can be enhanced by a ratio up to 159% by sulfur passivation. Current-voltage (I-V) measurements were performed on both unpassivated and S-passivated InAs nanowires to understand the mechanism of thermal conductivity enhancement. We observed a remarkable improvement in electrical conductivity ...[more]