dopant

American  

[doh-puhnt] / ˈdoʊ pənt /

noun

Electronics.

1. an impurity added intentionally in a very small, controlled amount to a pure semiconductor to change its electrical properties.

   Arsenic is a dopant for silicon.

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dopant British  

/ ˈdəʊpənt /

noun

1. an element or compound used to dope a semiconductor

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Etymology

Origin of dopant

First recorded in 1960–65; dope + -ant

Example Sentences

By the donor doping of large W6+, this material can take up more water to increase its proton concentration, as well as reduce the proton trapping through electrostatic repulsion between the dopant and proton.

From Science Daily • May 29, 2024

Now, researchers at Linköping University, Sweden, have developed a new method where organic semiconductors can become more conductive with the help of air as a dopant.

From Science Daily • May 15, 2024

"The covalent bonding between the dopant and oxygen atoms makes the problematic release of oxygen less energetically favorable, and therefore less likely to occur," says Kobayashi.

From Science Daily • May 2, 2024

For an electrolyte to gain the ability to conduct protons, small traces of another substance, known as a dopant, must be added to the base material.

From Science Daily • Jan. 18, 2024

Eighty years ago7, dopant atoms of boron and phosphorus were added to pure silicon to produce materials called p-type and n-type silicon, respectively; these form p–n junctions, the basis of computing.

From Nature • Jan. 21, 2020