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

The repulsion indicates reduced proton trapping by the W6+ dopant, which leads to the high proton conductivity at low and intermediate temperatures.

From Science Daily • May 29, 2024

"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

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

A crucial chemical aspect of the enhancement proved to be the formation of strong 'covalent' bonds between the dopant and oxygen atoms within the structure.

From Science Daily • May 2, 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