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.

See More

First Known Use of conduction band

1939, in the meaning defined above

Keep scrolling for more

Learn More about conduction band

Time Traveler for conduction band

Time Traveler

The first known use of conduction band was in 1939

See more words from the same year

Statistics for conduction band

Cite this Entry

“Conduction band.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

More from Merriam-Webster on conduction band Encyclopedia article about conduction band

Comments on conduction band

What made you want to look up conduction band? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!