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Interaction between hydrogen and the Fe-B pair in boron-doped p-type silicon

机译:硼掺杂的p型硅中氢与Fe-B对的相互作用

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摘要

The effect of hydrogen incorporation into iron-contaminated boron-doped Cz-Si has been investigated using deep level transient spectroscopy. In-diffusion of hydrogen by wet chemical etching followed by reverse bias annealing of Al, Schottky diodes result in the appearance of the defect level characteristic to interstitial iron (Fe_i), and the concentration of iron-boron pairs (Fe-B) decreases correspondingly. Quantitative observations from various defect concentration versus depth profiles imply strongly that H promotes dissociation of Fe-B releasing Fe_i whereas no detectable passivation of Fe-B or Fe_i by H occurs.
机译:已经使用深能级瞬态光谱研究了氢掺入铁污染的掺硼Cz-Si中的影响。氢通过湿法化学刻蚀扩散扩散,然后进行Al的反向偏置退火,肖特基二极管导致出现了间隙铁的特征能级(Fe_i),并且铁硼对(Fe-B)的浓度相应降低。从各种缺陷浓度对深度分布的定量观察强烈暗示,H促进了Fe-B的解离,释放出Fe_i,而没有发生可检测到的Fe-B或Fe_i钝化的现象。

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  • 来源
    《Applied Physics Letters》 |2011年第5期|p.052106.1-052106.3|共3页
  • 作者单位

    University of Oslo, Physics department/Center for Materials science and Nanotechnology, P.O. Box 1048 Blindern, Oslo N-0316, Norway;

    University of Oslo, Physics department/Center for Materials science and Nanotechnology, P.O. Box 1048 Blindern, Oslo N-0316, Norway;

    University of Oslo, Physics department/Center for Materials science and Nanotechnology, P.O. Box 1048 Blindern, Oslo N-0316, Norway;

    University of Oslo, Physics department/Center for Materials science and Nanotechnology, P.O. Box 1048 Blindern, Oslo N-0316, Norway;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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