Chin. Phys. Lett.  2002, Vol. 19 Issue (12): 1782-1784    DOI:
Original Articles |
Computer Simulation for the Formation of Insulator Layer of Silicon on Insulator by N+ and O+ Co-implantation
LIN Qing;ZHU Ming;LIU Xiang-Hua;XIE Xin-Yun;LIN Cheng-Lu
1State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050 2Ion Beam Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050
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LIN Qing, ZHU Ming, LIU Xiang-Hua et al  2002 Chin. Phys. Lett. 19 1782-1784
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Abstract A buried sandwiched layer consisting of silicon dioxide (upper
part), silicon oxynitride (medium part) and silicon nitride (lower part) is formed by N+ and O+ co-implantation in silicon wafers at a constant temperature of 550°C. The microstructure is performed by cross-sectional transmission electron microscopy. To predict the quality of the buried sandwiched layer, we study the computer simulation for the formation of the SIMON (separation by implantation of oxygen and nitrogen) structure. The simulation programme for SIMOX (separation by implantation of oxygen) is improved in order to be applied in O+ and N+ co-implantation on the basis of different formation mechanism between SIMOX and SIMNI (separation by implantation of nitrogen) structures. There is a good agreement between experiment and simulation results verifying the theoretical model and presumption in the programme.
Keywords: 21.60.Ka      41.75.Ak      66.30.Jt      67.55.Lf     
Published: 01 December 2002
PACS:  21.60.Ka (Monte Carlo models)  
  41.75.Ak (Positive-ion beams)  
  66.30.Jt  
  67.55.Lf  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2002/V19/I12/01782
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LIN Qing
ZHU Ming
LIU Xiang-Hua
XIE Xin-Yun
LIN Cheng-Lu
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