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Thermal Conductance of InAs Nanowire Composites

Persson, Ann I.; Koh, Yee Kan; Cahill, David G.; Samuelson, Lars LU and Linke, Heiner LU (2009) In Nano Letters 9(12). p.4484-4488
Abstract
The ability to measure and understand heat flow in nanowire composites is crucial for applications ranging from high-speed electronics to thermoelectrics. Here we demonstrate the measurement of the thermal conductance of nanowire composites consisting of regular arrays of InAs nanowires embedded in PMMA using time-domain thermoreflectance (TDTR). On the basis of a proposed model for heat flow in the composite, we can, as a consistency check, extract the thermal conductivity Lambda of the InAs nanowires and find Lambda(NW) = 5.3 +/- 1.5 W m(-1) K-1, in good agreement with theory and previous measurements of individual nanowires.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nano Letters
volume
9
issue
12
pages
4484 - 4488
publisher
The American Chemical Society
external identifiers
  • wos:000272395400091
  • scopus:71949106195
ISSN
1530-6992
DOI
10.1021/nl902809j
language
English
LU publication?
yes
id
8f32da66-5216-48cf-a0f1-1d6b845a5461 (old id 1533415)
date added to LUP
2010-01-28 16:05:23
date last changed
2017-12-10 04:05:59
@article{8f32da66-5216-48cf-a0f1-1d6b845a5461,
  abstract     = {The ability to measure and understand heat flow in nanowire composites is crucial for applications ranging from high-speed electronics to thermoelectrics. Here we demonstrate the measurement of the thermal conductance of nanowire composites consisting of regular arrays of InAs nanowires embedded in PMMA using time-domain thermoreflectance (TDTR). On the basis of a proposed model for heat flow in the composite, we can, as a consistency check, extract the thermal conductivity Lambda of the InAs nanowires and find Lambda(NW) = 5.3 +/- 1.5 W m(-1) K-1, in good agreement with theory and previous measurements of individual nanowires.},
  author       = {Persson, Ann I. and Koh, Yee Kan and Cahill, David G. and Samuelson, Lars and Linke, Heiner},
  issn         = {1530-6992},
  language     = {eng},
  number       = {12},
  pages        = {4484--4488},
  publisher    = {The American Chemical Society},
  series       = {Nano Letters},
  title        = {Thermal Conductance of InAs Nanowire Composites},
  url          = {http://dx.doi.org/10.1021/nl902809j},
  volume       = {9},
  year         = {2009},
}