Figure B3 shows a cross section for a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) in diagrammatic form. (i) (ii) Sketch the energy band diagram for the MOSFET along the line X-Y shown in Figure B3 when bias voltages are applied such that the silicon surface is inverted. Label all important features of your sketch and state any assumptions made. Sketch a box plot showing the charges present in the structure when the silicon surface is inverted. Indicate the source of all the charges and state whether they are positive or negative.

Introductory Circuit Analysis (13th Edition)
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a)
Figure B3 shows a cross section for a Metal Oxide Semiconductor
Field Effect Transistor (MOSFET) in diagrammatic form.
(i)
(ii)
Sketch the energy band diagram for the MOSFET along the
line X-Y shown in Figure B3 when bias voltages are applied
such that the silicon surface is inverted. Label all important
features of your sketch and state any assumptions made.
Sketch a box plot showing the charges present in the structure
when the silicon surface is inverted. Indicate the source of all
the charges and state whether they are positive or negative.
Source n+
Metal
Silicon
Substrate - p
X
dioxide
Drain n*
Transcribed Image Text:a) Figure B3 shows a cross section for a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) in diagrammatic form. (i) (ii) Sketch the energy band diagram for the MOSFET along the line X-Y shown in Figure B3 when bias voltages are applied such that the silicon surface is inverted. Label all important features of your sketch and state any assumptions made. Sketch a box plot showing the charges present in the structure when the silicon surface is inverted. Indicate the source of all the charges and state whether they are positive or negative. Source n+ Metal Silicon Substrate - p X dioxide Drain n*
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