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Quantitative V-L-S Growth Model and Experiments of Fe Catalyzed Si Nanowire Formation

  • Guangwen Zhou (a1), Judith C. Yang (a1), Fengting Xu (a1), John A. Barnard (a1) and Z. Zhang (a2)...

Abstract

We report the formation of Si nanowires (SiNWs) by vapor-liquid-solid (V-L-S) mechanism where Si atoms are pumped from Si wafer. This happens when a material has the large difference of activity in its pure (Si) and alloy state (Si-Fe). We developed a kinetic model to quantitatively describe the growth of the nanowires. The model predicts that the length of the nanowires increases linearly with the growth time.

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