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Infrared spectroscopic ellipsometry studies of ion-implanted and annealed silicon wafers
Liu Xian-Ming1,2,3; Li Bin-Cheng1,2; Gao Wei-Dong1,2; Han Yan-Ling1,2
Source PublicationACTA PHYSICA SINICA
Volume59Issue:3Pages:1632-1637
2010-03-01
Language英语
Indexed BySCI
WOS IDWOS:000276004500032
SubtypeArticle
AbstractThe optical properties of the ion-implanted and annealed silicon wafer in visible spectral range are close to the single crystalline silicon due to the annealing-induced recrystallization, resulting in the unavailability of normal visible spectroscopic ellipsometry (SE) measurements. In this study, the SE measurements are performed in infrared range (2 20 mu m) to characterize the implanted and annealed wafers. An optical model based on the classical Drude free-carrier absorption equation is developed, with which the impurity concentration profile, resistivity, mobility of the carriers, and the dispersion relations of the implanted layer are determined. The relationships between these parameters and the implantation dose are also analyzed. The results suggest that the infrared SE is an effective method to characterize the annealed silicon wafers. Longer wavelength should be used to distinguish lower impurity concentration.
KeywordInfrared Spectroscopic Ellipsometry Ion implantatIon Drude Model Dispersion Relation
WOS KeywordSI(100) WAFERS
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3377
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Key Lab Beam Control, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu Xian-Ming,Li Bin-Cheng,Gao Wei-Dong,et al. Infrared spectroscopic ellipsometry studies of ion-implanted and annealed silicon wafers[J]. ACTA PHYSICA SINICA,2010,59(3):1632-1637.
APA Liu Xian-Ming,Li Bin-Cheng,Gao Wei-Dong,&Han Yan-Ling.(2010).Infrared spectroscopic ellipsometry studies of ion-implanted and annealed silicon wafers.ACTA PHYSICA SINICA,59(3),1632-1637.
MLA Liu Xian-Ming,et al."Infrared spectroscopic ellipsometry studies of ion-implanted and annealed silicon wafers".ACTA PHYSICA SINICA 59.3(2010):1632-1637.
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