conduction band


Definition of conduction band

: the range of permissible energy values which an electron in a solid material can have that allows the electron to dissociate from a particular atom and become a free charge carrier in the material — compare valence band

Examples of conduction band in a Sentence

Recent Examples on the Web

In a light-emitting diode, electrons drop out of the conduction band by losing energy in the form of light. Chris Lee, Ars Technica, "Silicon LED created by buzzing surface with high-speed electrons," 22 July 2019 For this to work, the energy difference between the conduction band and the valence band needs to be reversed. Chris Lee, Ars Technica, "Wireless nanowire lasers absorb infrared, emit blue light," 1 June 2019 Instead of directly absorbing energy, electrons can also tunnel through barriers to get to the conduction band. Chris Lee, Ars Technica, "Wireless nanowire lasers absorb infrared, emit blue light," 1 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conduction 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 conduction band

1939, in the meaning defined above

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Last Updated

25 Aug 2019

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Time Traveler for conduction band

The first known use of conduction band was in 1939

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