HAN Yujiao,SHEN Yanhong,YU You,et al.Study on the Band Structure, Density of Tates and Optical Properties of Sulfur Doped Indium Antimonide Semiconductors[J].Journal of Chengdu University of Information Technology,2025,40(01):107-110.[doi:10.16836/j.cnki.jcuit.2025.01.016]
锑化铟半导体掺杂硫元素的能带结构、态密度以及光学性质研究
- Title:
- Study on the Band Structure, Density of Tates and Optical Properties of Sulfur Doped Indium Antimonide Semiconductors
- 文章编号:
- 2096-1618(2025)01-0107-04
- 分类号:
- O472+.3
- 文献标志码:
- A
- 摘要:
- 使用基于第一性原理的Materials Studio软件分别计算InSb、InSb0.75S0.25、InSb0.5S0.5的能带结构、态密度和光学性质,并对其进行分析比较。计算结果显示: S原子的掺入使InSb导带顶附近产生杂质能级,导带上移,禁带宽度增加,电子从价带跃迁进入导带的几率降低; 随着掺杂S浓度的增加,静态介电常数减小,吸收强度降低,能量损失峰值降低。
- Abstract:
- The band structure, density of states, and optical properties of InSb, InSb0.75S0.25 and InSb0.5S0.5were calculated and compared by using Materials Studio software based on first principles. The calculation results displayed that the doping of S element caused the impurity levels to be generated near the top of the conduction band in InSb, the conduction band moved up, the band gap increased, and the probability of electron transition from the valence band to conduction band decreased. As the concentration of doped S in InSb was increased, the static dielectric constant, the range of absorption spectrum, the absorption intensity, and the peak value of energy loss will be declined.
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备注/Memo
收稿日期:2023-10-09
基金项目:四川省自然科学基金资助项目(2022NSFSC1796、2023Z HCG0047)