Semiconductors
Materials whose electrical conductivity lies between a conductor and an insulator, used to make electronic components.
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Articles by level
This list is not complete and has no required order. Pick the articles you need at the level that suits you.
Starter
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StarterWhat Are Semiconductors?
Learn about semiconductor materials, controlled conduction and doping, and distinguish the material from a transistor or a packaged chip.
5 min read
StarterHow Do Conductors, Insulators, and Semiconductors Differ?
Compare conduction and the roles of conductors, insulators and semiconductors, and see why electronic components use different materials.
5 min read
Basic
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BasicWhy Is Silicon Used in Electronic Components?
Understand silicon’s use in electronics through its availability, adjustable electrical properties and suitability for making wafers.
5 min read
BasicHow Does a P-N Junction Work?
Understand diffusion, depletion and the p-n junction field; compare forward and reverse bias through carrier motion without building a circuit.
3 min read
Intermediate
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IntermediateHow Does Doping Change a Semiconductor?
Explain how intentional doping changes semiconductor carriers; compare n-type and p-type material and distinguish a hole from an empty atomic site.
3 min read
IntermediateHow Do LEDs Produce Light?
Trace electrical energy into LED light through electrons and holes; understand coloured light, white-light conversion and why efficiency is not perfect.
3 min read
Advanced
0 articlesNo article at this level yet. New ones are added over time.