中国科学院上海冶金所
纸质出版:1987
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[1]林成鲁,林梓鑫,陈莉芝,邹世昌.BF_2~+注入Si的快速退火[J].电子学报,1987(06):93-95.
Lin Cheng-lu, Lin Zi-xin, Chen Li-zhi, et al. Rapid Thermal Annealing of BF2+ Implanted Si[J]. Acta Electronica Sinica, 1987, (6): 93-95.
利用高频感应的石墨加热器对注BF
2
+
的硅片进行快速退火能获得比常规退火更浅的结。对这两种退火所引起的B和F的扩散进行了比较。实验观察到F原子分布的双峰
是注入层再结晶时F原子的外扩散所致。
BF2+ implanted Si wafers have been rapid thermally annealed using FR graphite heaterat 1000
1
200℃ for 6
3
0s. The experimental results show that rapid thermal annealing can be provided shallower junctions than conventional thermal annealing. The diffusion of B and F dopants resulting from rapid thermal annealing have been compared with furnace annealing. Double peak of F atom depth profiles can be observed. Outdiffusion of F during recrystallization of implanted layer is the mayor cause of the double peak of F.
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