valence band
noun
: 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
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When energy is applied, electrons will move from the valence band (the ground state) to the conduction band (the excited state) and can be harnessed as electrical energy.
—
Tracy H. Schloemer, IEEE Spectrum, 19 Sep. 2023
An electron in the valence band participates in the bonding of atoms within the crystal lattice, whereas in the conduction band electrons are free to move around in the lattice and conduct electricity.
—IEEE Spectrum, 26 Mar. 2023
The bandgap of a semiconductor is defined as the energy, in electron volts, needed for an electron in the semiconductor lattice to jump from the valence band to the conduction band.
—IEEE Spectrum, 26 Mar. 2023
In chemistry, bandgap is the distance between the conduction band and the valence band of the material’s atoms.
—Caroline Delbert, Popular Mechanics, 11 May 2022
The ability of a solid material to conduct electricity depends on the ability to flow electrons from the valence band to the conduction band.
—Willy Shih, Forbes, 4 Oct. 2021
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
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Tracy H. Schloemer, IEEE Spectrum, 19 Sep. 2023
An electron in the valence band participates in the bonding of atoms within the crystal lattice, whereas in the conduction band electrons are free to move around in the lattice and conduct electricity.
—IEEE Spectrum, 26 Mar. 2023
The bandgap of a semiconductor is defined as the energy, in electron volts, needed for an electron in the semiconductor lattice to jump from the valence band to the conduction band.
—IEEE Spectrum, 26 Mar. 2023
In chemistry, bandgap is the distance between the conduction band and the valence band of the material’s atoms.
—Caroline Delbert, Popular Mechanics, 11 May 2022
The ability of a solid material to conduct electricity depends on the ability to flow electrons from the valence band to the conduction band.
—Willy Shih, Forbes, 4 Oct. 2021
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
Dictionary Entries Near valence band
Cite this Entry
“Valence band.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/valence%20band. Accessed 22 Nov. 2024.
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