Comment on "DFT investigation of structural, electronic and optical properties of pure and Er-doped ZnO: Modified Becke-Johnson exchange potential"

被引：7
|
作者：
Jalilian, Jaafar [1 ]
Fakhri, Sheida [1 ]
Zolfaghari, Anis [2 ]
机构：
[1] Islamic Azad Univ, Kermanshah Branch, Young Researchers & Elite Club, POB 67189-97551, Kermanshah, Iran
[2] Islamic Azad Univ, Ahvaz Branch, Young Researchers & Elite Club, Ahvaz, Iran
来源：
OPTIK | 2018年 / 156卷
关键词：
lntraband transition; Ferromagnetism; Spin polarization; Random phase approximation;
D O I：
10.1016/j.ijleo.2017.10.117
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Recently, Alkahtani et al. [1] studied the structural, electronic and optical properties of pure ZnO and Er-doped ZnO using generalized gradient approximation plus modified Becke-Johnson exchange potential. They doped erbium (Er) atom to ZnO zinc-blende structure. They did not perform spin polarized calculations, so their obtained electronic and optical properties are wrong. Also, the intra-band transition has not been considered in the their optical investigations. The correct form of these properties is presented and discussed in this paper. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：99 / 103
页数：5
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