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The MOS structure - Università · PDF fileMOS, with VG translated by VFB. Si02 Fig. 2.1 The capacitor. Metal Insulator Semiconductor . Energy band dragram Applied —o

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Text of The MOS structure - Università · PDF fileMOS, with VG translated by VFB. Si02 Fig....

  • 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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