Observation of relaxation of molecular spins in CH4 and CD4 crystals in thermal conductivity experiment
Elwira Pisarska, Piotr Stachowiak, and Andrzej Jeźowski
Institute for Low Temperatures and Structure Research, Polish Academy of Sciences PN 1410, 50-950 Wroclaw, Poland
Received November 7, 2006.
The paper reports preliminary results on the kinetics of the molecular spin conversion in solid methane (CH4) and deuterated methane (CD4), obtained through thermal conductivity measurements in the temperature range 2–10 K.
PACS: 63.20.–e Phonons in crystal lattices; PACS: 66.70.+f Nonelectronic thermal conduction and heat-pulse propagation in solids; thermal waves.