Question: A p - n junction can be attained at a depth of 3 0 m below the surface of Germanium if doped with Antimony. What

A p-n junction can be attained at a depth of 30m below the surface of Germanium if doped with Antimony. What is the donor concentration in the bulk germanium if diffusion is carried out for 180 minutes at 790C? The surface concentration of antimony is held constant at a value of 81018cm-3;D=4.810-11cm2s.
A p - n junction can be attained at a depth of 3

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