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- Title
Calorimetric Measurements at Low Temperatures in Toluene Glass and Crystal.
- Authors
Alvarez-Ney, C.; Labarga, J.; Moratalla, M.; Castilla, J.; Ramos, M.
- Abstract
The specific heat of toluene in glass and crystal states has been measured both at low temperatures down to 1.8 K (using the thermal relaxation method) and in a wide temperature range up to the liquid state (using a quasiadiabatic continuous method). Our measurements therefore extend earlier published data to much lower temperatures, thereby allowing to explore the low-temperature 'glassy anomalies' in the case of toluene. Surprisingly, no indication of the existence of tunneling states is found, at least within the temperature range studied. At moderate temperatures, our data either for the glass or for the crystal show good agreement with those found in the literature. Also, we have been able to prepare bulk samples of toluene glass by only doping with 2% mol ethanol instead of with higher impurity doses used by other authors.
- Subjects
LOW temperature techniques; CALORIMETRY; TOLUENE; SPECIFIC heat measurement; RELAXATION methods (Mathematics)
- Publication
Journal of Low Temperature Physics, 2017, Vol 187, Issue 1/2, p182
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-017-1760-8