Before revision: Preparation 340 px|Idealized view of Si surface before (top) and after (bottom) treatment with HF.
After revision: Hydrogen-terminated silicon is an intermediate in the growth of bulk silicon from silane:<ref name=Yates>SiH4 → Si + 2H2Preparation 340 px|Idealized view of Si surface before (top) and after (bottom) treatment with HF.