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

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Example Sentences

See Examples For:

dopant

"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

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 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

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