The dynamic heat capacity of nematic liquid crystals just above the clearing point is calculated as an estension of our previous theory of static heot czpxity. The present theory explains semiquantitatively the available esperimentai results of anomalous ultrasonic absorption and dispersion.
โฆ LIBER โฆ
A theory of the anomalous heat capacity and thermal expansion of nematic liquid crystals above the clearing point
โ Scribed by Hidefumi Imura; Koji Okano
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 292 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
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The heat capacity of synthetic Cu3AsS4 (enargite) was measured by quasi-adiabatic calorimetry from the temperatures 5 K to 355 K and by differential scanning calorimetry from T=339 K to T=720 K. Heat-capacity anomalies were observed at T=(58.520.5) The causes of the anomalies are unknown. At T=298.