conduction band

conduction band (plural conduction bands)

1. (physics) The range of electron energies in an insulator or semiconductor in which electrons can move freely and transport charge.
   • 2011, Brian Cox, Jeff Forshaw, The Quantum Universe, Allen Lane, published 2011, page 160:

     In a semiconductor material like silicon, something very interesting happens because the current is not only carried by electrons in the conduction band.

• bandgap
• valence band