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Thermal Conductivit...
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Andersson, OveUmeå universitet,Institutionen för fysik
(author)
Thermal Conductivity and Heat Capacity of Dianin's Clathrates under Pressure
- Article/chapterEnglish2001
Publisher, publication year, extent ...
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2001-12-08
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American Chemical Society (ACS),2001
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Numbers
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LIBRIS-ID:oai:DiVA.org:umu-225571
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-225571URI
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https://doi.org/10.1021/jp0126964DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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The thermal conductivities, λ, and heat capacities of polycrystalline Dianin’s compound and its CCl4 and ethanol clathrates have been investigated in the temperature range 40-300 K for pressures up to 1 GPa. All high-pressure results for λ show typical crystal-like behavior, whereas previous atmospheric pressure results for single crystals as well as recent results on polycrystalline samples show glasslike behavior. The change from glasslike to crystal-like dependence might be caused by a frequency shift of localized vibrations on pressurization, moving the localized vibrations outside the frequency range of the dominant heat carriers and reducing thermal resistance due to resonance scattering.
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Murashov, VladimirDepartment of Chemistry, Dalhousie UniVersity, Halifax, NoVa Scotia, Canada
(author)
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White, Mary AnneDepartment of Chemistry, Dalhousie UniVersity, Halifax, NoVa Scotia, Canada
(author)
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Umeå universitetInstitutionen för fysik
(creator_code:org_t)
Related titles
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In:Journal of Physical Chemistry B: American Chemical Society (ACS)106:1, s. 192-1961520-61061520-5207
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