Low-temperature specific heat and thermal conductivity of silica aerogels

Specific heat, C p , and thermal conductivity, λ, have been measured on a series of base-catalyzed silica aerogels at temperatures between 0.05 and 20 K. Results for both C p ( T) and λ( T) confirm that the different length-scale regions observed in the aerogel structure are reflected in their dynam...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1992, Vol.145 (1-3), p.202-206, Article 202
Main Authors: Bernasconi, A., Sleator, T., Posselt, D., Kjems, J.K., Ott, H.R.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
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Summary:Specific heat, C p , and thermal conductivity, λ, have been measured on a series of base-catalyzed silica aerogels at temperatures between 0.05 and 20 K. Results for both C p ( T) and λ( T) confirm that the different length-scale regions observed in the aerogel structure are reflected in their dynamic behaviour.
ISSN:0022-3093
1873-4812
DOI:10.1016/S0022-3093(05)80456-9