Electronic band structure
In solid-state physics, the electronic band structure describes the ranges of energy levels an electron can or cannot possess. Band structure is responsible for the electrical properties of a metal, such as electrical resistivity, and optical absorption.
References
Kittel, Charles (2005). Introduction to Solid State Physics. Wiley. ISBN 0-471-41526-X.
"Band Theory for Solids". Retrieved 2021-10-06
"Band Theory | Definition, Explanation, & Facts". Encyclopedia Britannica.
Physics