PHASE-TRANSITIONS IN (CH3NH3)5BI2X11 (X = CL, BR) CRYSTALS

被引：3

作者：

PYKACZ, H ^{[1
]}

MROZ, J ^{[1
]}

JAKUBAS, R ^{[1
]}

机构：

[1] WROCLAW UNIV,INST CHEM,PL-50383 WROCLAW,POLAND

来源：

ACTA PHYSICA POLONICA A | 1993年 / 84卷 / 06期

关键词：

D O I：

10.12693/APhysPolA.84.1085

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electric properties of (CH3NH3)5Bi2Cl11 and (CH3NH3)5Bi2Br11 single crystals in the direction of the crystallographic b-axis were studied. The samples tested were natural crystal seeds in the form of thin plates, whose crystallographic b-axis coincides with the normal to the plate. Measurements of the pyroelectric coefficient were performed near the high temperature phase transition and spontaneous polarization from the paraelectric phase down to helium temperature. The attempt of explanation of the anomalous electric properties of these crystals has been presented.

引用

页码：1085 / 1091

页数：7

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