The band diagram of a p-type semiconductor with a band-gap of 1 eV is shown. Using this semiconductor, a MOS capacitor having VTh of -0.16 V, C of 100 nF/cm2 and a metal work function of 3.87 eV is fabricated. There is no charge within the oxide. If the voltage across the capacitor is V, the magnitude of depletion charge per unit area (in C/cm?) is Vacuum level 4 eV

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The band diagram of a p-type semiconductor with a band-gap of 1 eV is shown. Using
this semiconductor, a MOS capacitor having VT of -0.16 V, C of 100 nF/cm2 and
a metal work function of 3.87 eV is fabricated. There is no charge within the oxide. If
the voltage across the capacitor is V: the magnitude of depletion charge per unit area
(in C/cm2) is
Vacuum level
4 eV
Ec
10.5 eV
E,
EFS
Ey
10.2 eV
(b) 0.93 x 10-8
(d) 1.70 x 10-8
(a) 0.52 x 10-8
(c) 1.41 x 10-8
Transcribed Image Text:The band diagram of a p-type semiconductor with a band-gap of 1 eV is shown. Using this semiconductor, a MOS capacitor having VT of -0.16 V, C of 100 nF/cm2 and a metal work function of 3.87 eV is fabricated. There is no charge within the oxide. If the voltage across the capacitor is V: the magnitude of depletion charge per unit area (in C/cm2) is Vacuum level 4 eV Ec 10.5 eV E, EFS Ey 10.2 eV (b) 0.93 x 10-8 (d) 1.70 x 10-8 (a) 0.52 x 10-8 (c) 1.41 x 10-8
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