Cited by 611Thermal properties of materialsThermography and Photoacoustic TechniquesThermoelastic and Magnetoelastic Phenomena

Thermometry and Thermal Transport in Micro/Nanoscale Solid-State Devices and Structures

Cahill, David G., Goodson, Kenneth, Majumdar, Arunava·2002·Journal of Heat Transfer

Abstract

We review recent advances in experimental methods for high spatial-resolution and high time-resolution thermometry, and the application of these and related methods for measurements of thermal transport in low-dimensional structures. Scanning thermal microscopy (SThM) achieves lateral resolutions of 50 nm and a measurement bandwidth of 100 kHz; SThM has been used to characterize differences in energy dissipation in single-wall and multi-wall carbon nanotubes. Picosecond thermoreflectance enables ultrahigh time-resolution in thermal diffusion experiments and characterization of heat flow across interfaces between materials; the thermal conductance G of interfaces between dissimilar materials spans a relatively small range, 20<G<200 MW m−2K−1 near room temperature. Scanning thermoreflectance microscopy provides nanosecond time resolution and submicron lateral resolution needed for studies of heat transfer in microelectronic, optoelectronic and micromechanical systems. A fully-micromachined solid immersion lens has been demonstrated and achieves thermal-radiation imaging with lateral resolution at far below the diffraction limit, <2 μm. Microfabricated metal bridges using electrical resistance thermometry and joule heating give precise data for thermal conductivity of single crystal films, multilayer thin films, epitaxial superlattices, polycrystalline films, and interlayer dielectrics. The room temperature thermal conductivity of single crystal films of Si is strongly reduced for layer thickness below 100 nm. The through-thickness thermal conductivity of Si-Ge and GaAs-AlAs superlattices has recently been shown to be smaller than the conductivity of the corresponding alloy. The 3ω method has been recently extended to measurements of anisotropic conduction in polyimide and superlattices. Data for carbon nanotubes measured using micromachined and suspended heaters and thermometers indicate a conductivity near room temperature greater than diamond.

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Crossref · 10.1115/1.1454111

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Authors
Cahill, D. G., Goodson, K., & Majumdar, A.
Affiliations
  • University of Illinois Urbana-Champaign (US)
  • Stanford University (US)
  • Department of Mechanical Engineering, University of California, Berkeley, CA 94720
Venue
Journal of Heat Transfer
Publisher
Wiley
Published
2001-12-07
Volume
124
Issue
2
Pages
223-241
ISSN
  • 0022-1481 (ISSN-L)
  • 1528-8943
OpenAlex
W2032695760
Cited by
611
References
6
Citations by year
2026: 16 · 2025: 15 · 2024: 15 · 2023: 16 · 2022: 18 · 2021: 19 · 2020: 30 · 2019: 37 · 2018: 36 · 2017: 34 · 2016: 34 · 2015: 39 · 2014: 37 · 2013: 40 · 2012: 33
FWCI
8.09
Type
journal article
Language
en
Open access
closed
Locations
ASME Journal of Heat and Mass Transfer (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
  • Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
  • Physical Sciences › Engineering › Mechanics of Materials › Thermoelastic and Magnetoelastic Phenomena
Keywords
scanning thermal microscopy, heat transport, thermal conductance, carbon nanotubes, energy dissipation, low-dimensional systems, thermal diffusion

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