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Junction anneal sequence optimization for advanced high-k / metal gate CMOS technology

机译:用于高级高k /金属栅CMOS技术的结退火序列优化

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In this paper, we have done a comprehensive study of the junction anneal strategy (by spike and/or laser) for advanced technology nodes with Hk/MG and high-k capping film to control the eWF. It has been shown that a low long channel Vth is easily achievable with anneal sequence optimization. In particular with the help of laser which creates more dipoles for NMOS case with La-based capping. But also on PMOS due to a lower thermal budget which permits to avoid eWF modulation penalty for thin EOT. Good device scalability gain has been also achieved (10 and 15 nm for respectively NMOS and PMOS) with the sequence optimization without performance degradation.
机译:在本文中,我们对采用Hk / MG和高k覆盖膜来控制eWF的先进技术节点的结退火策略(通过尖峰和/或激光)进行了全面研究。已经表明,通过退火序列优化可以容易地实现低的长通道Vth。特别是在激光的帮助下,使用基于La的封盖为NMOS外壳产生了更多的偶极子。而且由于较低的热预算,在PMOS上也可以避免薄EOT的eWF调制损失。通过序列优化,在不降低性能的情况下,也获得了良好的器件可扩展性增益(对于NMOS和PMOS,分别为10和15 nm)。

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