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ISSN Online: 2377-424X

ISBN Print: 978-1-56700-474-8

ISBN Online: 978-1-56700-473-1

International Heat Transfer Conference 16
August, 10-15, 2018, Beijing, China

ELECTRONIC TRANSPORT PROPERTIES OF SILICON NANOWIRE CAGE

Get access (open in a dialog) DOI: 10.1615/IHTC16.mpe.022406
pages 6023-6027

要約

It is found that the nano-cross-junction effect can lead to extremely low thermal conductivity in Silicon-nanowire-cage (SiNWC). The topological structure of SiNWC may also lead to one-dimensional electronic transport in SiNWC, which can realize high ZT combined with nano-cross-juntion effect. We studied the electronic transport properties of n-type SiNWC at room temperature. The electronic structure reflects quantum confinement in SiNWC while the conductivity and electronic thermal conductivity are restricted by the cross-sectional area, reaching even lower value compared to those of 1.1nm Si nanowire. Consequently, electronic transport in SiNWC should be typically one-dimensional.