Effects of heavy-ion strikes on fully depleted SOI MOSFETs with ultra-thin gate oxide and different strain-inducing techniques

被引:10
|
作者
Griffoni, Alessio [1 ]
Gerardin, Simone [1 ,2 ]
Cester, Andrea [1 ,2 ]
Paccagnella, Alessandro [1 ,2 ]
Simoen, Eddy [3 ]
Claeys, Cor [3 ]
机构
[1] Univ Padua, Dipartimento Ingn Informaz, I-35131 Padua, Italy
[2] Ist Nazl Fis Nucl, I-35131 Padua, Italy
[3] IMEC, B-3001 Louvain, Belgium
关键词
CMOS devices and integrated circuits reliability; heavy ions; SOI; strain;
D O I
10.1109/TNS.2007.909510
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We study the immediate and long-term effects of heavy-ion strikes on 65-nm Fully Depleted SOI MOSFETs with different strain engineering solutions. Some of the phenomena already present in bulk devices, such as drain current collapse, are still observed alongside some new long-term effects concerning the degradation kinetics under electrical stress. On the other side, early breakdown seems to vanish. SOI degradation after heavy-ion strikes and during following electrical stress is shown to depend on the strain level and strain-inducing technique. We interpreted these results in terms of radiation-induced defects in the gate and isolation oxide.
引用
收藏
页码:2257 / 2263
页数:7
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