See energy band
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for valence band
The outermost electron shell of atoms in an insulator or semiconductor, in which the electrons are too tightly bound to the atom to carry electric current. Compare conduction band. See also bandgap.
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