SIMS analysis of HfSiO(N) thin films

2006 
Abstract We have measured the N profile in HfSiON film using Cs primary ions under various conditions and observed an enhancement of the N ion signal at the surface and interface between HfSiON/Si. We have found that the enhancement is alleviated by glancing angle Cs primary ions and O 2 flooding. Our backside SIMS measurements show that Hf is diffused into the Si substrate from HfSiON film during the thermal processes.
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