LINEAR BIREFRINGENCE STUDIES ON PHASE-TRANSITIONS IN TRICHLOROACETAMIDE CRYSTAL

被引：2

作者：

PRZESLAWSKI, J

KOSTUREK, B

CZAPLA, Z

机构：

[1] Institute of Experimental Physics, University of Wrocław, 50-205 Wrocław

来源：

SOLID STATE COMMUNICATIONS | 1994年 / 91卷 / 08期

关键词：

A FERROELECTRICS; D-OPTICAL PROPERTIES; PHASE TRANSITIONS;

D O I：

10.1016/0038-1098(94)90563-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Temperature dependence of the linear birefringence was studied for the molecular crystal-trichloroacetamide (TCAA). Two phase transitions were found at about 354.5K and 358.5K. The linear birefringence increments in the intermediate phase were analysed by the log-log approximation procedure and the beta-exponents were determined. A kind of the global hysteresis and the memory effect were also noticed in the intermediate phase suggesting the incommensurate nature of this phase.

引用

页码：639 / 643

页数：5

共 15 条

[1]

BLINC R, 1986, INCOMMENSURATE PHASE, P36

[2]

CUMMINS HZ, 1990, PHYSICS REPORTS, V185

[3] DIELECTRIC + ELECTROSTRICTIVE ANOMALIES SLIGHTLY ABOVE CURIE POINT OF NANO2 [J].