Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes

This work is devoted to analytical and numerical studies of diffusive heat conduction in configurations considered in 3ω experiments, which aim at measuring thermal conductivity of materials. The widespread 2D analytical model considers infinite media and translational invariance, a situation which...

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Main Authors: Wassim Jaber, Pierre-Olivier Chapuis
Format: Article
Language:English
Published: AIP Publishing LLC 2018-04-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5027396
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spelling doaj-905d792719744ac1936db02b2d3875052020-11-25T00:10:52ZengAIP Publishing LLCAIP Advances2158-32262018-04-0184045111045111-1310.1063/1.5027396036804ADVNon-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimesWassim Jaber0Pierre-Olivier Chapuis1Univ Lyon, CNRS, INSA-Lyon, Université Claude Bernard Lyon 1, CETHIL UMR5008, F-69621 Villeurbanne, FranceUniv Lyon, CNRS, INSA-Lyon, Université Claude Bernard Lyon 1, CETHIL UMR5008, F-69621 Villeurbanne, FranceThis work is devoted to analytical and numerical studies of diffusive heat conduction in configurations considered in 3ω experiments, which aim at measuring thermal conductivity of materials. The widespread 2D analytical model considers infinite media and translational invariance, a situation which cannot be met in practice in numerous cases due to the constraints in low-dimensional materials and systems. We investigate how thermal boundary resistance between heating wire and sample, native oxide and heating wire shape affect the temperature fields. 3D finite element modelling is also performed to account for the effect of the bonding pads and the 3D heat spreading down to a typical package. Emphasis is given on the low-frequency regime, which is less known than the so-called slope regime. These results will serve as guides for the design of ideal experiments where the 2D model can be applied and for the analyses of non-ideal ones.http://dx.doi.org/10.1063/1.5027396
collection DOAJ
language English
format Article
sources DOAJ
author Wassim Jaber
Pierre-Olivier Chapuis
spellingShingle Wassim Jaber
Pierre-Olivier Chapuis
Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
AIP Advances
author_facet Wassim Jaber
Pierre-Olivier Chapuis
author_sort Wassim Jaber
title Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
title_short Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
title_full Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
title_fullStr Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
title_full_unstemmed Non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
title_sort non-idealities in the 3ω method for thermal characterization in the low- and high-frequency regimes
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2018-04-01
description This work is devoted to analytical and numerical studies of diffusive heat conduction in configurations considered in 3ω experiments, which aim at measuring thermal conductivity of materials. The widespread 2D analytical model considers infinite media and translational invariance, a situation which cannot be met in practice in numerous cases due to the constraints in low-dimensional materials and systems. We investigate how thermal boundary resistance between heating wire and sample, native oxide and heating wire shape affect the temperature fields. 3D finite element modelling is also performed to account for the effect of the bonding pads and the 3D heat spreading down to a typical package. Emphasis is given on the low-frequency regime, which is less known than the so-called slope regime. These results will serve as guides for the design of ideal experiments where the 2D model can be applied and for the analyses of non-ideal ones.
url http://dx.doi.org/10.1063/1.5027396
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