HEAT CAPACITY OF SILVER SULFIDE

被引:48
作者
PERROTT, CM
FLETCHER, NH
机构
[1] Department of Physics, University of New England, Armidale
关键词
D O I
10.1063/1.1671386
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The heat capacity of silver sulfide has been measured over the range 50°-400°C using an adiabatic calorimeter. The heat capacity of the a form, stable between 177° and about 600°C, is anomalous and has a form typical of an order-disorder transition with critical temperature at 350°C. If the sample deviates from stoichiometry by as little as one mole percent in either direction, its heat capacity is near normal at about 20 cal/mole. °C throughout the range of measurement. An interpretation of these results in terms of lattice disorder is suggested.
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页码:2344 / &
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[21]  
1930, INT CRITICAL TABLES, V5, P188