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

来源：

ACTA PHYSICA POLONICA A | 1994年 / 85卷 / 03期

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

页码：579 / 583

页数：5

共 15 条

[1] RAMAN STUDIES OF THE FERROELECTRIC PHASE-TRANSITIONS IN (CH3NH3)5BI2CL11 (MAPCB) .1. THE INTERNAL VIBRATIONS OF THE METHYLAMMONIUM CATION
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