INTERSTITIAL SUPERSATURATION NEAR PHOSPHORUS-DIFFUSED EMITTER ZONES IN SILICON

被引:68
作者
STRUNK, H [1 ]
GOSELE, U [1 ]
KOLBESEN, BO [1 ]
机构
[1] SIEMENS AG,UNTERNEMENBEREICH BAUELEMENTE,D-8000 MUNICH 80,FED REP GER
关键词
D O I
10.1063/1.90853
中图分类号
O59 [应用物理学];
学科分类号
摘要
Bipolar transistors with consecutively diffused boron base and phosphorus emitter showing the emitter-push effect" have been investigated by transmission electron microscopy. The analysis of isolated dislocation helices in the emitter and base regions indicates the presence of a self-interstitial supersaturation in front of the phosphorus-diffused zone. This result refutes the widely accepted explanation of the "emitter-push effect" in terms of a phosphorus-induced vacancy supersaturation."
引用
收藏
页码:530 / 532
页数:3
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