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Heat pulses determine thermal diffusivity of very thin samples

Publisher
Elsevier Science
Year
1968
Weight
101 KB
Volume
1
Category
Article
ISSN
0029-1021

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Heat capacity and thermal conductivity m
Heat capacity and thermal conductivity measurements down to 25 mk on samples of poor thermal diffusivity and small specific heat
✍ J.C. Lasjaunias; B. Picot; A. Ravex; D. Thoulouze; M. Vandorpe πŸ“‚ Article πŸ“… 1977 πŸ› Elsevier Science 🌐 English βš– 585 KB

A heat pulse technique is described with a permanent heat link to the cold sink used for the measurement of small heat capacities, such as vitreous dielectrics, down to 25 mK. Total heat capacities of the order of 5pJ K -1 are measured below 50 mK with an accuracy of 5%. Two carbon resistor thermome