Pressure dependence of elastic properties of wurtzite ZnO crystal

被引：4
|
作者：
Mukherjee, Prabir K. [1 ]
Shadangi, Subrat K. [2 ]
Tripathi, Gouri S. [3 ]
机构：
[1] Govt Coll Engn & Text Technol, Dept Phys, Serampore, India
[2] Tara Tarini Coll, Dept Phys, Purushottampur, Odisha, India
[3] Berhampur Univ, Dept Phys, Berhampur, Odisha, India
来源：
PHASE TRANSITIONS | 2019年 / 92卷 / 09期
关键词：
Landau theoy; ZnO; phase transition; elastic constants; ELECTRONIC-PROPERTIES; PHASE-TRANSITIONS;
D O I：
10.1080/01411594.2019.1650932
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We present the pressure dependence of elastic properties of the wurtzite phase of ZnO undergoing wurtzite to the rocksalt phase transition. A simple Landau theory is developed to describe the structural phase transition between wurtzite to rocksalt phases observed in ZnO. We have defined the necessary order parameter of the wurtzite to the rocksalt phase transition. We present a detailed analysis of the pressure dependence of the elastic and shear constants of the wurtzite phase of ZnO. The theoretical predictions are in the line with experimental results.
引用
收藏
页码：798 / 805
页数：8
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