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band theory

British  

noun

  1. physics a theory of the electrical properties of metals, semiconductors, and insulators based on energy bands

"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

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Wallace, P. R. The band theory of graphite.

From Nature • Mar. 18, 2018