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

"A major problem with the conventional proton conductors is a phenomenon known as proton trapping, in which protons are trapped by acceptor dopant via electrostatic attraction between the dopant and proton," explains Yashima.

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

Now, researchers at Linköping University have developed a doping method that can be performed at room temperature, where inefficient dopants such as oxygen are the primary dopant, and light activates the doping process.

From Science Daily • May 15, 2024

A general strategy to enhance the proton conductivity in such perovskites is to introduce an acceptor dopant; that is, a cation M3+ with a valence lower than that of B4+.

From Science Daily • Nov. 21, 2023

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