Preliminary measurements on coupling between superfluid He-3 and Kapton or aerogel in the low temperature limit.

We report preliminary measurements of the coupling between superfluid He-3-B and Kapton or Aerogel samples at very low temperatures. The small Kapton or Aerogel sample is placed, in a quasiparticle black body radiator. The temperature of the ambient H-3 is monitored while the magnetic field on the solid samples is changed. Initial results show that both samples produce large amounts of cooling (or heating) as the field is decreased (or increased). There is also evidence from a large heat capacity of ferromagnetic solid He-3 on the surface of the aerogel as well as at least two distinct physical energy-exchange processes, one rapid and one slow