Temperature Dependence of Heat-Pulse Propagation in Sapphire
Abstract
Results of heat-pulse measurements between 4 and 54\ifmmode^\circ\else\textdegree\fi{}K are reported for sapphire and show that the propagation is ballistic below 18\ifmmode^\circ\else\textdegree\fi{}K and diffusive above 40\ifmmode^\circ\else\textdegree\fi{}K. In the intermediate range, the propagation is a superposition of the two.
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A modified version of the flash method was developed to investigate thermal transport properties at very low temperatures down to ∼0.5 K.
“Thus, the modified version of the flash method was developed to investigate thermal transport properties at very low temperatures down to ∼0.5 K. 13,14”
From Simultaneous measurement of specific heat and thermal conductivity in pulsed magnetic fields (2023) · cites this paper as [14]
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Simultaneous measurement of specific heat and thermal conductivity in pulsed magnetic fields
Nomoto, T., Zhong, C., Kageyama, H., Suzuki, Y., Jaime, M., Hashimoto, Y., Katsumoto, S., Matsuyama, N., Dong, C., Matsuo, A., et al. (2023) · arXiv · doi:10.48550/arxiv.2302.01627 · Cited by 5 · see citing works
- Authors
- von Gutfeld, R. J., & Nethercot, A. H.
- Affiliations
- IBM (United States) (US)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1966-10-17
- Volume
- 17
- Issue
- 16
- Pages
- 868-871
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1965044418
- Cited by
- 52
- References
- 0
- Citations by year
- 2025: 1 · 2023: 1 · 2022: 2 · 2019: 1 · 2017: 1 · 2016: 1 · 2015: 1 · 2014: 2 · 2013: 2 · 2012: 1
- FWCI
- 5.62
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Physical Sciences › Engineering › Mechanics of Materials › Thermoelastic and Magnetoelastic Phenomena
- Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
- Keywords
- heat pulse propagation, sapphire, thermal conductivity, ballistic heat transport, diffusive heat transport, temperature dependence, low-temperature thermal transport, phonon transport
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