For example in SiO4 lattice Si having 4 valence electron and making bond with 4 oxygen if we are replacing 1 Si atom by Al (having 3 valence electrons) then what will be the charge on lattice.
Will it be neutral and why ?
Behnam Farid
There is no change in charge neutrality, since all atoms are charge neutral. Of course, depending on the dopant, on doping the total number of electrons can change, and in general the distribution of the electrons change, but these are unrelated to charge neutrality.
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