In an n-type semiconductor donor level is

n-type semiconductor is

n-type semiconductor is

n-type semiconductor is

In N-type semiconductor

An n-type semiconductor is

An n-type semiconductor has donor levels at 500 meV above the valence band, the frequnecy of light required to create a hole is nearly

An n-type semiconductor has donor levels at 500 meV above the valence band, the frequnecy of light required to create a hole is nearly