Cited by 197Thermal properties of materialsDiamond and Carbon-based Materials ResearchHigh-pressure geophysics and materials

Thermal conductance of metal–diamond interfaces at high pressure

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Hohensee, Gregory T., Wilson, R.B., Cahill, David G.·2015·Nature Communications

Abstract

The thermal conductance of interfaces between metals and diamond, which has a comparatively high Debye temperature, is often greater than can be accounted for by two-phonon processes. The high pressures achievable in a diamond anvil cell (DAC) can significantly extend the metal phonon density of states to higher frequencies, and can also suppress extrinsic effects by greatly stiffening interface bonding. Here we report time-domain thermoreflectance measurements of metal–diamond interface thermal conductance up to 50 GPa in the DAC for Pb, Au0.95Pd0.05, Pt and Al films deposited on type 1A natural [100] and type 2A synthetic [110] diamond anvils. In all cases, the thermal conductances increase weakly or saturate to similar values at high pressure. Our results suggest that anharmonic conductance at metal–diamond interfaces is controlled by partial transmission processes, where a diamond phonon that inelastically scatters at the interface absorbs or emits a metal phonon. The thermal conductance of interfaces between metal and diamond at high pressure is often greater than can be accounted for by two-phonon processes. Here, the authors present a new experimental system, suggesting that the ‘extra’ thermal conductance seen is controlled by Raman-like three-phonon processes.

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Authors
Hohensee, G. T., Wilson, R. B., & Cahill, D. G.
Affiliations
University of Illinois Urbana-Champaign (US)
Corresponding author
Hohensee, Gregory T.
Venue
Nature Communications
Published
2015-03-06
Volume
6
Issue
1
Pages
6578-6578
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2171459929
Cited by
197
References
61
Citations by year
2026: 16 · 2025: 19 · 2024: 20 · 2023: 18 · 2022: 24 · 2021: 18 · 2020: 14 · 2019: 16 · 2018: 19 · 2017: 15 · 2016: 16 · 2015: 1
FWCI
6.90
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • U.S. Department of Energy (DENA0002006)
  • University of Illinois at Urbana-Champaign
  • Division of Materials Research
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
  • Physical Sciences › Materials Science › Materials Chemistry › Diamond and Carbon-based Materials Research
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › High-pressure geophysics and materials
Keywords
metal-diamond interface, thermal conductance, high pressure, diamond anvil cell, time-domain thermoreflectance, three-phonon processes, phonon scattering, lead, gold-palladium alloy, platinum, aluminum

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