What is Oxynitride (SiON)?

Gate oxide with nitrogen incorporated. It blocks boron penetration from the gate electrode and has a slightly higher permittivity, so it was used as the gate insulator before high-k films.

Field: Oxidation and diffusion

Oxynitride (SiON) in the explanations

Questions that mention Oxynitride (SiON) (4)

  1. What is the main purpose of introducing nitrogen into the gate oxide to make an oxynitride (SiON)?
  2. Which gas is sometimes used as the oxidant with silane to deposit silicon oxide or oxynitride films by CVD?
  3. Which value is closest to the relative permittivity of SiO2 formed by thermal oxidation?
  4. What is the treatment called that introduces plasma-generated nitrogen into the surface of a thin gate oxide?

Related terms

EOT (equivalent oxide thickness) Plasma Annealing Threshold voltage Silane (SiH4) CVD Thermal oxidation Mobility Bird's beak Deal-Grove model

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