Theoretical temperature-electric-field phase diagram for betaine calcium chloride dihydrate

被引：5
|
作者：
Sannikov, DG
Schaack, G
机构：
[1] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany
[2] Russian Acad Sci, Inst Crystallog, Moscow 117333, Russia
来源：
PHYSICAL REVIEW B | 1998年 / 58卷 / 13期
关键词：
D O I：
10.1103/PhysRevB.58.8313
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Theoretical phase diagrams for betaine calcium chloride dihydrate in the presence of an external electric field are calculated. A phenomenological approach applied earlier by the present authors [J. Phys.: Condens. Matter 10, 1803 (1998)] for the construction of the temperature-pressure phase diagram, which is in agreement with the experimental diagram, is used. Expressions for thermodynamic potentials of different phases and for boundaries between these phases are given in an explicit or parametric form. The theoretical temperature-electric-field phase diagram is plotted and is compared with the experimental diagram.
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页码：8313 / 8322
页数：10
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