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Determination of Thermal Parameters of Nanostructures Exhibiting One-Dimensional Heat Flow Through a Thermal Transient Method

Published online by Cambridge University Press:  31 January 2011

Anton Arriagada ,
Edward T Yu  and
Prabhakar Bandaru
Anton Arriagada
Affiliation:
aarriaga@ucsd.edu, University of California, San Diego, Electrical and Computer Engineering, La Jolla, California, United States
Edward T Yu
Affiliation:
ety@ece.ucsd.edu, University of California, San Diego, Electrical and Computer Engineering, La Jolla, California, United States
Prabhakar Bandaru
Affiliation:
pbandaru@ucsd.edu, UC, San Diego, Mechanical and Aerospace Engineering, La Jolla, California, United States
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Abstract

We present an improved methodology for a thermal transient method enabling simultaneous measurement of thermal conductivity and specific heat of nanoscale structures with one-dimensional heat flow. The temporal response of a sample to finite duration heat pulse inputs for both short (1 ns) and long (5μs) pulses is analyzed and exploited to deduce the thermal properties. Excellent agreement has been obtained between the recovered physical parameters and computational simulations.

Keywords

thermal conductivitynanoscalesimulation
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1172: Symposium T – Nanoscale Heat Transport–From Fundamentals to Devices , 2009 , 1172-T05-05
Copyright
Copyright © Materials Research Society 2009

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