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Nucleation of chemical vapor deposited silicon nitride on silicon dioxide

The American Institute of Physics
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  • Chemistry


We have studied the early stages of silicon nitride chemical vapor deposition (CVD) on silicon dioxide using medium energy ion scattering. The growth mode consists of island nucleation followed by coalescence. Similar behavior is observed for films grown using different precursors and reactor environments, indicating that the growth mode is caused by the fundamental nonwetting nature of the nitride/oxide interface under the conditions used for CVD. © 1999 American Institute of Physics.

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