Definition of semiconductor, Electrons and holes, and Effective mass. In this module, we will cover carrier statistics. Topics include Currents in semiconductors, Density of states, Fermi-Dirac ...

By comparison, extrinsic semiconductors are composite materials created by treating or infusing intrinsic semiconductors ... has only three electrons to use, a kind of hole is created where ...

A solar cell is made of two types of semiconductors ... or “hole” is created. The n-type silicon is made by including atoms that have one more electron in their outer level than does silicon, such as ...

The idea of injecting spin-polarized electrons into organic ... will be important for devices based on the intrinsic magnetoresistance of organic semiconductors and those based on the transport ...