Low temperature thermal properties of pentanol-2 — (A perspective polarized target material)

The low temperature heat capacity and the long-time energy relaxation of pentanol-1 and pentanol-2 were measured. The results demonstrate that pentanol-1 is crystalline and pentanol-2 is amorphous after cooling with a cooling rate of about 1 K min ^-1. From the power release data of pentanol-2 the distribution parameter of two-level systems P = 4.1 × 10 ⁴⁴J m ^-3 was obtained.