This presentation explains the atomic structures of "elemental semiconductors" (such as carbon & silicon) and those of "compound semiconductors" (such as GaAs, AlAs, GaP, CdTe . . .)
The presentation employs interactive 3D models that you can alter via selection buttons and then rotate, move or magnify.
To start this tour, click the "Next Scene" button at the bottom of this page. At any point, you can jump ahead by clicking an icon above the image.