It all comes down to the bandgap. Electrons in a semiconductor can sit in one of two energy bands – the valence band, or the conducting band. To jump from the valence band to the conducting band ...

Energy band structures of metal and insulator, Definition of semiconductor, Electrons and holes, and Effective mass. In this module, we will cover carrier statistics. Topics include Currents in ...

In this module on metal-semiconductor contacts, we will cover the following topics: Device structure, Equilibrium energy band diagram, Electrostatic analysis, Energy band diagram under bias, ...

Techniques for Band Gap Engineering vary, including doping, the introduction of impurities into a semiconductor to alter its electrical properties; strain engineering, where stress is applied to ...

Consumer electronic devices are made from materials that we have been using for more than 60 years, mainly silicon, germanium ...

A U of A engineering researcher is using sunlight and semiconductor catalysts to produce hydrogen by splitting apart water ...

Energy Band Gap - The gap between the top of the ... deliberate addition of the impurity atoms are called dopants. p-type semiconductors- extrinsic semiconductors doped with trivalent impurity ...