Phase transitions characterized by polarization vector and rotation pseudovector in crystals of arbitrary point symmetry

被引：0

作者：

V. A. Adamov

B. M. Darinskii

V. V. Shalimov

机构：

[1] Voronezh State Technical University,

来源：

Crystallography Reports | 2001年 / 46卷

关键词：

Phase Transition; Arbitrary Point; Polarization Vector; Point Symmetry; Polarization Component;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A thermodynamic theory of phase transitions in crystals characterized by the rotational and polarization components has been developed. A list of phase transitions accompanied by the change of the group to a subgroup is compiled for crystals whose thermodynamic potential can be represented by a fourth-order polynomial with respect to the order-parameter components. Spontaneous polarization arising by the mechanism of improper phase transitions provided by the nonlinear relation between the polarization and rotational components is considered.

引用

页码：256 / 267

页数：11

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