6 and 2/3 show a rapid change in the curves of modulus versus temperature,which is related to a ferroelastic phase transition from rhombohedral to cubic.
6以及2/3样品的模量-温度谱上呈现出的模量急剧变化是与三角—立方铁弹性相变有关的。
Study on ferroelastic phase transition of crystal based on slowness-curved face and polarization state;
利用慢度曲面及偏振态研究晶体的铁弹相变
The ferroelastic phase transitions in crystal with different content as well as their phase transition temperature are also determined withet the results of specifie heat capacities.
报道了用DSC法测量Pr_xLa_(l-x)P_5O_(14)系列晶体比热容的结果,并以比热容结果研究了该系列晶体的铁弹相变和不同组分晶体的相变温度。
Traditionally, the macroscopic studies of ferroelectric phase transitions and other ferroic phase transitions were carried out within the limits of equilibrium thermodynamics.
传统理论从宏观角度研究铁电相变或其它铁性相变(如铁磁相变、铁弹相变等)是在平衡态热力学的范围内进行的。
The symmetry change of proper ferroelastic phase transition of cubic systems is determined by the solution of the Christoffel equati.
从而晶体在本征铁弹相变前后结构对称性的变化可以通过分析Christoffel方程的解及利用居里原理来确定。