Specific Heat of (NH2(CH3)2)3Bi2I9 |
| T. Plackowski, D. Włosewicz, P.E. Tomaszewski, J. Baran and M.K. Marchewka Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 937, 50-950 Wrocław 2, Poland |
| Received: September 13, 1994 |
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| The specific heat of title compound was measured by adiabatic calorimeter in the temperature range 80-315 K. The phase transitions at about 304, 285 and 235 K were confirmed. A new structural phase transition at about 125 K was observed as well as new anomaly on differential scanning calorimetry (DSC) curve at about 318 K. The peculiar multiple character of C, anomalies may be explained in terms of phase transitions or intermediate phases induced by impurities. The specific heat data are in agreement with the independent DSC measurements and with preliminary X-ray studies. |
| DOI: 10.12693/APhysPolA.87.635 PACS numbers: 64.70.Kb, 65.40.-f |