Simulation of Clustering and Pile-Up during Post-Implantation Annealing of Phosphorus in Silicon.

  • Schroer Erwin
    NTT System Electronics Laboratories, 3–1 Morinosato Wakamiya, Atsugi 243–0198, Japan
  • Uematsu Masashi
    NTT Basic Research Laboratories, 3–1 Morinosato Wakamiya, Atsugi 243–0198, Japan

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  • Simulatioin of Clustering and Pile-Up during Post-Implantation Annealing of Phosphorus in Silicon

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Abstract

We report on the simulation of the annealing behavior of medium dose (1013-1014 cm-2) implanted phosphorus in silicon. It is shown that the transient clustering of phosphorus has to be taken into account in order to achieve consistent simulation results. The pile-up of phosphorus at the silicon-silicondioxide interface is considered by including a diffusion-segregation term in the diffusion-reaction equations. We show how the phosphorus clustering impacts the phosphorus amount in the pile-up layer and compare the simulation results with available experimental data.

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