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p-n Junction Diode
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Basic device technology
Structure and principle of operation Electrostatic analysis of a p-n diode Depletion region and depletion capacitance Abrupt junction Linearly graded junction Current - voltage characteristics Shockley equation Generation-Recombination Process High injection Diffusion capacitance Reverse bias breakdown Thermal instability Tunneling effect Avalanche multiplication Transient behavior
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Structure and principle of operation
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Energy band diagram of a p-n junction (a) before and (b) after merging the n-type and p-type regions
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Thermal equilibrium
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Energy band diagram of a p-n junction under reverse and forward bias
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General discussion - Poisson's equation
Não é trivial de resolver!
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The full-depletion approximation
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1. Região de carga espacial
2. Nível de Fermi em equilíbrio 3. Built-in voltage 4. Built-in voltage e densidade de dopantes 5. Largura da região de carga espacial 6. Capacitância de depleção
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The linearly graded p-n junction
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The ideal diode current
The p-n diode current The ideal diode current
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p-n Junction Diode Exemplos e Exercícios
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