I simulate a TFET structure using silicon. when I tried to change material the simulation didn't converge as the current reached order of 10e-4. I tried to used CNormPrint to define where the simulation didn't converge and adjust the mesh but again a convergence problem occur. I tried to lower Digits and ErrRef(Electron) in math section and also I used plugin but nothing happened and simulation doesn't converge.
In general, I used different structure and when current reached 10e-4 or 10e-3, a converging problem occur?
Can anyone help me with this problem??
Consider using another solver in Math section, refer to the Manuel (Sprocess).
There's an exemple in this book specifically about TFETs (Chapter 7): 3D TCAD Simulation for CMOS Nanoelectronic Devices by Yung-Chun Wu & Yi-Ruei Jhan.
I hope this helps.
Check the equation which is giving error through Cnorm. Try to change the physics related to the Cnorm
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