Electrical and Photoluminescence Characteristics of Nanocrystalline Silicon-Oxygen Superlattice for Silicon on Insulator Application

  • Seo, Yong-Jin (Department of Electrical Engineering, Daebul University)
  • Published : 2002.05.01

Abstract

Electrical forming dependent current-voltage (I-V) and numerically derived differential conductance(dI/dV) characteristics have been presented in the multi-layer nano-crystalline silicon/oxygen (no-Si/O) superlattice. Distinct staircase-like features, indicating the presence of resonant tunnel barriers, are clearly observed in the dc I-V characteristics. Also, all samples showed a continuous change in current and zero conductivity around OV corresponding to the Coulomb blockade in the calculated dI/dV-V curve. Also, Ra-man scattering measurement showed the presence of a nano-crystalline Si structure. This result becomes a step in the right direction for the fabrication of silicon-based optoelectronic and quantum devices as well as for the replacement of silicon-on-insulator (SOI) in high speed and low power silicon MOSFET devices of the future.

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