High thermal conductivity of polymers: Possibility or dream?
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Phonons with such long mean free paths are likely from the longitudinal acoustic branch owing to its high group velocity of about 16-17 km s−1.
“Phonons with such long MFPs are likely from the LA branch owing to its high group velocity vc ~ 16−17 km s−1 (refs. 38–40,42,67).”
From Origin of high thermal conductivity in disentangled ultra-high molecular weight polyethylene films: ballistic phonons within enlarged crystals (2022) · cites this paper as [67]
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Kim, T., Drakopoulos, S. X., Ronca, S., & Minnich, A. J. (2022) · Nature Communications · doi:10.1038/s41467-022-29904-2 · Cited by 63 · see citing works
- Authors
- Pietralla, M.
- Affiliations
- Universität Ulm (DE)
- Corresponding author
- Pietralla, M.
- Venue
- Journal of Computer-Aided Materials Design
- Published
- 1996-08
- Volume
- 3
- Issue
- 1-3
- Pages
- 273-280
- ISSN
- 0928-1045 (ISSN-L)
- 1573-4900
- OpenAlex
- W2012730065
- Cited by
- 36
- References
- 0
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 2 · 2021: 1 · 2019: 3 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 3 · 2013: 5 · 2012: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Journal of Computer-Aided Materials Design (publishedVersion)
- Funders
- Deutsche Forschungsgemeinschaft
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Physical Sciences › Materials Science › Materials Chemistry › High voltage insulation and dielectric phenomena
- Keywords
- thermal conductivity, polymers, phonon mean free path, phonon-phonon interaction, polymer orientation, phonon focusing, polyethylene, crystalline polymers, boundary resistance, thermal conductivity enhancement
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
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