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The thermal conductivity between the 3He solid films and the graphite substrate was measured by the relaxation method between 100 μK and 1 mK. The areal-density depedence of the thermal conductivity shows behavior similar to that of the exchange frequency J both in the submonolayer and in the second layer. These facts indicate that heat is transferred by magnetic mechanisms in the 3He solid film itself. They also imply that the 3He solid film is thermally connected with the graphite substrate only at some local spots.
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PACS numbers: 67.70.+n, 67.80.Gb
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Morishita, M. Thermal Relaxation of 3He Solid Films Adsorbed on Graphite. J Low Temp Phys 138, 373–378 (2005). https://doi.org/10.1007/s10909-005-1580-0
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DOI: https://doi.org/10.1007/s10909-005-1580-0