valence band


Definition of valence band

: the range of permissible energy values that are the highest energies an electron can have and still be associated with a particular atom of a solid material — compare conduction band

Examples of valence band in a Sentence

Recent Examples on the Web In silicon, electrons have to emit a photon and a sound vibration (a phonon) at the same time to reach the valence band. Chris Lee, Ars Technica, 22 July 2019 All the electrons are sitting at low energy, trapped in the valence band. Chris Lee, Ars Technica, 1 June 2019 At this point, the electron will emit a photon and return to the valence band. Chris Lee, Ars Technica, 1 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'valence band.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of valence band

1953, in the meaning defined above

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Time Traveler for valence band

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The first known use of valence band was in 1953

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Dictionary Entries Near valence band


valence band

valence electron

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Cite this Entry

“Valence band.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2021.

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