Controlling nanowire nucleation and growth with a negative substrate bias
- Publisher: Royal Society of Chemistry
The varied applications of silicon nanowires can influence the required wire density, diameter and length. We demonstrate the ability to control wire nucleation, diameter and length with the use of a negative substrate bias generated with the application of a RF signal in an electron cyclotron resonance chemical vapour deposition system. Growing nanowires from 0 V to −100 V bias we observe trends in the density, length and diameter in wires grown from two different thicknesses of Au. A model for the observed results is suggested.
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