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Edge Effect in Electrodes Metal Contacts

Posted Sep 2, 2019, 3:11 p.m. EDT Electromagnetics, Semiconductor Devices 0 Replies

Jose Santos
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Hello,

I am using the Semiconductor module of COMSOL 4.4. I am modeling two electrodes over a semiconductor substrate. I applied a bias voltage to the electrodes, and I want to see the electric field due to the applied voltage. I am using ideal ohmic boundary conditions for the electrodes and isulation boundary conditions for the other boundaries. I am experiencing some edge effects at the intersection of the insulation boundary condition with the metal contacts. I was wondering if there was anyone that could tell me how to get rid of this edge effect. I am attaching a picture of the electric field results.

Thanks in advance. Jose Santos.

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0 Replies Last Post Sep 2, 2019, 3:11 p.m. EDT
COMSOL Moderator

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