hole tunneling

- June 19, 2023 at 4:11 pm
  
  tade
  Subscriber
  
  hello.
  Is it possible for lumerical Charge solver to calculate the tunneling holes from a metal through an insulator to a semiconductor by making use of band to band tunneling model?
- June 20, 2023 at 4:37 pm
  
  Guilin Sun
  Ansys Employee
  
  I am not sure what does the tunneling holes mean here. However CHARGE can simulate tunneling effect in the "Recombination" tab, including band-to-band tunneling. Here is an example https://optics.ansys.com/hc/en-us/articles/360042760453-Metal-oxide-semiconductor-field-effect-transistor-MOSFET-
  more information for semiconductor: https://optics.ansys.com/hc/en-us/articles/360034919113-Semiconductor-Material-Model-Properties
  However, both metal and insulator do not involve in meshing and simulation as metal is considered to be perfect and its shape almost does not effect the results. Insulator does not support charge therefore it is not meshed, except at the interface of the semicodutors where the surface loss can be set.

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