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

As for proton trapping, the high positive charge of the W6+ dopant leads to a stronger repulsion with protons, which are also positively charged.

From Science Daily • May 29, 2024

"The stabilization of perovskites with disordered intrinsic oxygen vacancies and full hydration enabled by doping of large donor dopant could be an effective strategy towards next-generation proton conductors," remarks Yashima.

From Science Daily • May 29, 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

But with many promising base and dopant candidates -- each with different atomic and electronic properties -- finding the optimal combination that enhances proton conductivity becomes difficult and time-consuming.

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