THERMAL-EXPANSION OF (CH3NH3)5BI2X11 (X=CL, BR) CRYSTALS IN THE TEMPERATURE-RANGE FROM 80-K TO 300-K

被引:8
|
作者
JAKUBAS, R
FRANCOIS, P
LEFEBVRE, J
机构
[1] UNIV LILLE 1,UFR PHYS,UA 234,STRUCT & PROPRIETES ETAT SOLIDE LAB,F-59655 VILLENEUVE DASCQ,FRANCE
[2] UNIV LILLE 1,UFR PHYS,UA 801,DYNAM & STRUCT MAT MOLEC LAB,F-59655 VILLENEUVE DASCQ,FRANCE
关键词
D O I
10.12693/APhysPolA.85.579
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Thermal expansion studies on (CH3NH3)5Bi2Cl11 and (CH3NH3)5Bi2Br11 in the temperature range 80-350 K are reported. The dilatometric measurements revealed a considerable similarity with respect to the anisotropy of dilatations of both isomorphous crystals. A diffused thermal anomaly was found around 170 K in (CH3NH3)5Bi2Cl11 crystal.
引用
收藏
页码:579 / 583
页数:5
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