Low Temperature Physics: 33, 587 (2007); https://doi.org/10.1063/1.2755190 (3 pages)
Физика Низких Температур: Том 33, Выпуск 6-7 (Июнь 2007), c. 768-771    ( к оглавлению , назад )

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
E-mail: e.pisarska@int.pan.wroc.pl

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.

Ключевые слова: organic compounds, nuclear spin conversion rate, thermal conductivity, phonons.