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Issue:
First principles study of optical properties of wurtzite ZnO with Mn-doping
Author(s):
Chen Kun
,
Fan Guang-Han
,
Zhang Yong
Pages:
1054
-
1060
Year:
2008
Issue:
2
Journal:
ACTA PHYSICA SINICA
Keyword:
密度泛函理论(DFT)
;
第一性原理
;
超软赝势
;
Mn掺杂ZnO
;
Abstract:
采用基于密度泛函理论(DFT)的第一性原理平面波超软赝势方法计算了纤锌矿ZnO及不同量Mn 掺杂ZnO 晶体的电子结构,分析了掺杂对ZnO 晶体的能带结构、电子态密度、差分电荷分布的影响. 计算结果表明,随着Mn 掺杂含量的增加,ZnO 禁带宽度相应增加并且对紫外吸收区的光吸收能力也随之增强.
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