Ansys Learning Forum Forums Discuss Simulation Photonics MOS capacitor – changing the DC permittivity of the oxide Reply To: MOS capacitor – changing the DC permittivity of the oxide

Guilin Sun
Ansys Employee

Do you know the mechanism that increasing DC permittivity makes the electric field dropping? please check the solver physics and see if it includes such mechanism:

https://optics.ansys.com/hc/en-us/articles/360034917693-CHARGE-solver-introduction

https://optics.ansys.com/hc/en-us/articles/360034918633-CHARGE-solver-Simulation-object 

You may enable the "high field" function in material properties and test which one is helpful: