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首页> 外文期刊>Semiconductors >Anomalous Distribution of Germanium Implanted into a SOI Dielectric Layer after the Annealing of Radiation Defects
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Anomalous Distribution of Germanium Implanted into a SOI Dielectric Layer after the Annealing of Radiation Defects

机译:辐射缺陷退火后注入SOI介电层中的锗的反常分布

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摘要

The germanium-distribution profile is investigated in a Si/SiO_2/Si structure after the implantation of ~(74)Ge into SiO_2 dielectric layer, bonding with the Si device layer, and high-temperature annealing. The anomalously high transport and accumulation of ~(74)Ge atoms near the SiO_2/Si interface far from the bonded boundary is found. The observed ~(74)Ge distribution is beyond the framework of the existing model of diffusion of Ge in Si and SiO_2 after postimplantation annealing. A modified model of diffusion of Ge atoms near the Si/SiO_2 interface qualitatively explaining the observed features is proposed.
机译:在将〜(74)Ge注入到SiO_2介电层中,与Si器件层结合并进行高温退火之后,研究了Si / SiO_2 / Si结构中锗的分布分布。发现远离键合边界的SiO_2 / Si界面附近〜(74)Ge原子异常高的传输和积累。观察到的〜(74)Ge分布超出了注入后退火后Ge在Si和SiO_2中扩散的现有模型的框架。提出了一种修饰的Ge原子在Si / SiO_2界面附近扩散的模型,定性地解释了观察到的特征。

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