Sudhanshu Gupta
Reduce the bias step size: The error message suggests that you should choose a smaller bias step size to help the simulation converge. You can try reducing the step size and rerunning the simulation to see if this solves the problem. Check the doping concentration: The doping concentration may be too high, which can cause the bias step size to be too large for the simulation to converge. Try reducing the doping concentration and rerunning the simulation. Check the mesh size: The mesh size used in the simulation may be too coarse, which can cause inaccuracies in the simulation and difficulty in convergence. Try refining the mesh size and rerunning the simulation. Check the device geometry: The geometry of the device being simulated may be too complex, which can cause convergence problems. Simplify the device geometry and rerun the simulation. Check the solver settings: The solver settings may be too coarse or too aggressive, which can lead to convergence problems. Try adjusting the solver settings, such as the tolerance, and rerunning the simulation.
The error message you are receiving in Silvaco indicates that the simulation is having trouble converging due to a large bias step size. This can occur when there is a significant change in the charge carrier density or electric potential between adjacent regions in the simulation.
To solve this problem, you can try the following steps:
If none of these steps solve the problem, you may need to seek additional assistance from the support team for the software or consult with an expert in the field.
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Harsh Niketan Dixit
Can you tell how gaussian doping can be done in the silvaco.I am simply replacing the uniform by gaussian by it is not working why it is so?
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