文献类型：期刊文献

英文题名：Theoretical study on the electronic and optical properties of bulk and surface (001) InxGa1-xAs

作者：Liu, XueFei Ding, Zhao Luo, ZiJiang Zhou, Xun Wei, JieMin Wang, Yi Guo, Xiang Lang, QiZhi

第一作者：Liu, XueFei

通信作者：Ding, Z[1]

机构：[1]Guizhou Univ, Coll Big Data & Informat Engn, Guiyang 550025, Guizhou, Peoples R China;[2]Guizhou Normal Univ, Coll Phys & Elect Sci, Guiyang 550025, Guizhou, Peoples R China;[3]Guizhou Finance & Econ Univ, Coll Informat, Guiyang 550025, Guizhou, Peoples R China;[4]Guizhou Inst Technol, Guiyang 550002, Guizhou, Peoples R China

第一机构：Guizhou Univ, Coll Big Data & Informat Engn, Guiyang 550025, Guizhou, Peoples R China

通信机构：corresponding author), Guizhou Univ, Coll Big Data & Informat Engn, Guiyang 550025, Guizhou, Peoples R China.

年份：2018

卷号：537

起止页码：68-76

外文期刊名：PHYSICA B-CONDENSED MATTER

收录：;EI(收录号：20180704789922);Scopus(收录号：2-s2.0-85041521145);WOS:【SCI-EXPANDED(收录号:WOS:000428261200012)】；

基金：This work is supported by the National Natural Science Foundation of China (Grant Nos. 11664005 and 61564002).

语种：英文

外文关键词：Surface InxGa1-xAs; Bulk InxGa1-xAs; Electronic properties; Optical properties; LDA

摘要：The optical properties of surface and bulk InxGa1-xAs materials are compared systematically first time in this paper. The band structures, density of states and optical properties including dielectric function, reflectivity, absorption coefficient, loss function and refractive index of bulk and surface InxGa1-xAs materials are investigated by first-principles based on plane-wave pseudo-potentials method within the LDA approximation. The results agree well with the available theoretical and experimental studies and indicate that the electronic and optical properties of bulk and surface InxGa1-xAs materials are much different, and the results show that the considered optical properties of the both materials vary with increasing indium composition in an opposite way. The calculations show that the optical properties of surface In0.75Ga0.25As material are unexpected to be far from the other two indium compositions of surface InxGa1-xAs materials while the optical properties of bulk InxGa1-xAs materials vary with increasing indium composition in an expected regular way.