Electrical properties of Si/Si interfaces by using surface-activated bonding

作者: J. Liang , T. Miyazaki , M. Morimoto , S. Nishida , N. Shigekawa

DOI: 10.1063/1.4829676

关键词:

摘要: Electrical properties of n-Si/n-Si, p-Si/n-Si, and p−-Si/n+-Si junctions fabricated by using surface-activated-bonding are investigated. The transmission electron microscopy/energy dispersive X-ray spectroscopy the n-Si/n-Si interfaces reveals no evidence oxide layers at interfaces. From current-voltage (I-V) capacitance-voltage (C-V) characteristics p-Si/n-Si junctions, it is found that interface states, likely to have formed due surface activation process Ar plasma, a more marked impact on electrical junctions. An analysis temperature dependence I-V indicates carrier transport across bonding for reverse-bias voltages in can be explained trap-assisted-tunneling Frenkel-Poole models, respectively.

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