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Physics 116A NotesFall 2003
David E. Pellett
Draft v.0.9
• Notes Copyright 2003 David E. Pellett unless stated otherwise.
• References:
– Text for course:Fundamentals of Electrical Engineering, second edition, by LeonardS. Bobrow, published by Oxford University Press (1996)
– Pierret, Semiconductor Fundamentals, Addison-Wesley (1988)
– Neudeck, The PN Junction Diode, Addison-Wesley (1989)
– Sze, Physics of Semiconductor Devices (1969)
– Ashcroft & Mermin, Solid State Physics, Saunders (1976)
– This set of notes is based largely on the Pierret and Neudeck books,above.
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Outline: Notes for Week of 11/3/03
• Warmup exercise: Drude model of conductor and conductivity
• Semiconductors and the p-n junction diode
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Drude Model and Conductivity
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Example, Prob. 6.7 from Bobrow
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Distributions and Carrier Concentration I
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Distributions and Carrier Concentration II
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Distributions and Carrier Concentration III
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Distributions and Carrier Concentration IV
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Distributions and Carrier Concentration V
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Distributions and Carrier Concentration VI
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Location of Fermi Level
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Current Density
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Invariance of Fermi Leveland Einstein Relationship
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Built-In Potential Difference
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Ideal∗ Diode Equation
∗Careful: text has different definition of ideal diode. This refers to the case
where η = 1 (ideality factor in exponential of diode equation).
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