Field electron emission

Rarity: Uncommon

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Notion

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Science and technology

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What Wikipedia says

Field electron emission, also known as field-induced electron emission, field emission (FE) and electron field emission, is the emission of electrons from a material placed in an electrostatic field. The most common context is field emission from a solid surface into a vacuum.

Excerpt from the Wikipedia article “Field electron emission”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Phidus, CC0, via Wikimedia Commons.