Cited by 163Thermal properties of materialsThermography and Photoacoustic TechniquesThermal Radiation and Cooling Technologies

Simultaneous measurement of thermal conductivity and heat capacity of bulk and thin film materials using frequency-dependent transient thermoreflectance method

Liu, Jun, Zhu, Jie, Tian, Miao, Gu, Xiaokun, Schmidt, Aaron, Yang, Ronggui·2013·Review of Scientific Instruments

Abstract

The increasing interest in the extraordinary thermal properties of nanostructures has led to the development of various measurement techniques. Transient thermoreflectance method has emerged as a reliable measurement technique for thermal conductivity of thin films. In this method, the determination of thermal conductivity usually relies much on the accuracy of heat capacity input. For new nanoscale materials with unknown or less-understood thermal properties, it is either questionable to assume bulk heat capacity for nanostructures or difficult to obtain the bulk form of those materials for a conventional heat capacity measurement. In this paper, we describe a technique for simultaneous measurement of thermal conductivity κ and volumetric heat capacity C of both bulk and thin film materials using frequency-dependent time-domain thermoreflectance (TDTR) signals. The heat transfer model is analyzed first to find how different combinations of κ and C determine the frequency-dependent TDTR signals. Simultaneous measurement of thermal conductivity and volumetric heat capacity is then demonstrated with bulk Si and thin film SiO2 samples using frequency-dependent TDTR measurement. This method is further testified by measuring both thermal conductivity and volumetric heat capacity of novel hybrid organic-inorganic thin films fabricated using the atomic/molecular layer deposition. Simultaneous measurement of thermal conductivity and heat capacity can significantly shorten the development/discovery cycle of novel materials.

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Crossref · 10.1063/1.4797479

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Authors
Liu, J., Zhu, J., Tian, M., Gu, X., Schmidt, A., & Yang, R.
Affiliations
  • University of Colorado 1 Department of Mechanical Engineering, , Boulder, Colorado 80309, USA
  • Chinese Academy of Sciences (CN)
  • University of Colorado Boulder (US)
  • Boston University (US)
Venue
Review of Scientific Instruments
Published
2013-03-01
Volume
84
Issue
3
Pages
034902-034902
ISSN
  • 0034-6748 (ISSN-L)
  • 1089-7623
OpenAlex
W2076220136
Cited by
163
References
26
Citations by year
2026: 8 · 2025: 15 · 2024: 12 · 2023: 15 · 2022: 13 · 2021: 11 · 2020: 14 · 2019: 18 · 2018: 11 · 2017: 17 · 2016: 13 · 2015: 8 · 2014: 3 · 2013: 5
FWCI
4.36
Type
journal article
Language
en
Open access
closed
Locations
  • Review of Scientific Instruments (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (51206167)
  • National Science Foundation (0846561)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
  • Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
  • Physical Sciences › Engineering › Civil and Structural Engineering › Thermal Radiation and Cooling Technologies
Keywords
thermal conductivity, volumetric heat capacity, transient thermoreflectance, thin films, bulk materials, simultaneous measurement, atomic layer deposition, molecular layer deposition, silica, silicon
MeSH terms
Electric Conductivity, Equipment Design, Hot Temperature, Materials Testing, Silicon Dioxide, Silicon, Temperature, Thermal Conductivity, Nanotechnology, Nanostructures

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