SPECIFIC-HEAT OF (NH(2)(CH(3))(2))(3)BI(2)I(9)

被引:1
|
作者
PLACKOWSKI, T
WLOSEWICZ, D
TOMASZEWSKI, PE
BARAN, J
MARCHEWKA, MK
机构
关键词
D O I
10.12693/APhysPolA.87.635
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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(p) 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.
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页码:635 / 641
页数:7
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