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Semiconductors: A general introduction | We begin the discussion by examining the general nature of semiconducting materials. | ![]() |
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Crystal structure | We examine how one goes about describing the spatial positioning of atoms within crystals. | ![]() |
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Semiconductor Models | We introduce and describe two very important models or visualization aids that are used extensively in the analysis of semiconductor devices. | ![]() |
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Equilibrium carrier concentrations | We develop to lead the relationships for the carrier distributions and concentrations within semiconductors under equilibrium conditions. | ![]() |
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Drift and diffusion | We describe each primary type of carrier action qualitatively and then quantitatively relate the action to the current flowing within the semiconductor. | ![]() |
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Recombination-generation | We focus on the recombination-generation which is a nature’s order-restoring mechanism, the means whereby the carrier excess or deficit inside the semiconductor is stabilized or eliminated. | ![]() |
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Fabrication processes | The fabrication processes constitute the final preparatory step before the consideration and analysis of specific devices. The goal is to develop a general feel for the physical nature of device structures. | ![]() |
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Introduction to pn junction | We examine devices whose operation is intimately tied to the one or more pn junctions built in the structure. | ![]() |
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pn junction electrostatics | We develop quantitative relationships for the electrostatic variables in the pn junction. | ![]() |
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Ideal diode equation | We work to modeling the steady state response of the pn junction diode. | ![]() |
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Reverse-bias breakdown | We compare experiment and theory to identify the major deviations from the ideal diode. | ![]() |
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pn junction diode: Capacitance | We examine and model the small signal response of the pn junction diode. | ![]() |
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Optics and photodiodes | We consider special diode structures that are specifically designed and built for optical applications. | ![]() |
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Solar cells | We study two groups of photodevices converting photo-energy into electrical energy. One is a photodetector, and the other is a solar cell. Especially, we use AMPS-1D, a solar cell simulation program, to understand solar cells. | ![]() |