A percolative approach to degradation of thin films for reliability of electronic devices

被引:0
作者
Pennetta, C [1 ]
Reggiani, L [1 ]
Trefán, G [1 ]
机构
[1] Univ Lecce, Dipartimento Ingn Innovazione, I-73100 Lecce, Italy
来源
PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II | 2001年 / 87卷
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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
A degrading thin film in the presence of an electrical stress is modelled by a two dimensional random resistor network subjected to dynamical percolation. Depending on model parameters the film can exhibit electrical breakdown or reach a steady dynamic defectiveness exhibiting excess resistance noise. The model is proven to reproduce key experimental results concerning soft dielectric breakdown in ultrathin oxide and also electromigration damage of IC interconnects.
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页码:1763 / 1764
页数:2
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