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The MOS structure
The MOS structure
Band diagram
� Ideal case (EF already at the same level)
� Example with Si-P
� Example with Si-N
� If the Fermi levels are not aligned, even with VG=0 the
bands are bent
� Let us define VFB as the VG which flattens the bands;
with VG=VFB we can repeat what we said for the ideal
MOS, with VG translated by VFB.
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