charge density

American  

noun

Physics.

1. the measure of electrical charge per unit area of a surface or per unit volume of a body or medium.

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charge density British  

noun

1. the electric charge per unit volume of a medium or body or per unit area of a surface

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charge density Scientific  

1. The electric charge per unit area or per unit volume of a body or of a region of space.

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Example Sentences

"Excitons are very sensitive to the charge density in the material, and therefore we can change the refractive index of the material by applying a voltage," says Van de Groep.

From Science Daily • May 30, 2024

The tunability comes from the ability to change the charge density in the material.

From Science Daily • Dec. 21, 2023

It also shows the charge density of the two electrons in each molecule, averaged over many snapshots.

From Nature • Sep. 24, 2019

The radius of the proton is that distance at which the charge density drops below a certain energy threshold.

From Scientific American • Apr. 19, 2013

The proton radius is similar, except in this case we’re talking about the distribution of the charge density.

From Scientific American • Apr. 19, 2013