Phonon heat transport in silicon nanowires

X. Lü; J. H. Chu

doi:10.1007/s10051-002-8976-2

Phonon heat transport in silicon nanowires

X. Lü^*
, J. H. Chu

^*Corresponding author for this work

CAS - Shanghai Institute of Technical Physics

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Thermal conductivity of silicon and porous silicon nanowires based on the equation of phonon radiative transport is theoretically evaluated. The thermal conductivities of silicon nanowires with square cross-sections are found to match molecular dynamics simulation results reasonably well. It is shown that the results of meso-porous silicon nanowires are about two orders of magnitude lower than that of silicon nanowires in a wide range of temperature (50 K-300 K).

Original language	English
Pages (from-to)	375-378
Number of pages	4
Journal	European Physical Journal B
Volume	26
Issue number	3
DOIs	https://doi.org/10.1007/s10051-002-8976-2
State	Published - 1 Apr 2002
Externally published	Yes

Keywords

63.20.Kr Phonon-electron and phonon-phonon interactions
63.22.+m Phonons or vibrational states in low-dimensional structures and nanoscale materials
65.40.-b Thermal properties of crystalline solids

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abstract = "Thermal conductivity of silicon and porous silicon nanowires based on the equation of phonon radiative transport is theoretically evaluated. The thermal conductivities of silicon nanowires with square cross-sections are found to match molecular dynamics simulation results reasonably well. It is shown that the results of meso-porous silicon nanowires are about two orders of magnitude lower than that of silicon nanowires in a wide range of temperature (50 K-300 K).",

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T1 - Phonon heat transport in silicon nanowires

AU - Lü, X.

AU - Chu, J. H.

PY - 2002/4/1

Y1 - 2002/4/1

N2 - Thermal conductivity of silicon and porous silicon nanowires based on the equation of phonon radiative transport is theoretically evaluated. The thermal conductivities of silicon nanowires with square cross-sections are found to match molecular dynamics simulation results reasonably well. It is shown that the results of meso-porous silicon nanowires are about two orders of magnitude lower than that of silicon nanowires in a wide range of temperature (50 K-300 K).

AB - Thermal conductivity of silicon and porous silicon nanowires based on the equation of phonon radiative transport is theoretically evaluated. The thermal conductivities of silicon nanowires with square cross-sections are found to match molecular dynamics simulation results reasonably well. It is shown that the results of meso-porous silicon nanowires are about two orders of magnitude lower than that of silicon nanowires in a wide range of temperature (50 K-300 K).

KW - 63.20.Kr Phonon-electron and phonon-phonon interactions

KW - 63.22.+m Phonons or vibrational states in low-dimensional structures and nanoscale materials

KW - 65.40.-b Thermal properties of crystalline solids

UR - https://www.scopus.com/pages/publications/0042697336

U2 - 10.1007/s10051-002-8976-2

DO - 10.1007/s10051-002-8976-2

M3 - 文章

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SN - 1434-6028

VL - 26

SP - 375

EP - 378

JO - European Physical Journal B

JF - European Physical Journal B

IS - 3

ER -

Phonon heat transport in silicon nanowires

Abstract

Keywords

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