Hydrogen passivation

[Jahanzaib]

I want to know the role of hydrogen passivation in device configuration.
I am using stanane nanoribbons so at the top and botton in B direction, If I or I don't passivate hydrogen will it effect the optimization?

Thank you

[Anders Blom]

Hard to write a deeper answer than this: https://mattermodeling.stackexchange.com/questions/8480/when-to-use-pseudohydrogens-to-passivate-a-slab